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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Beaumier%2C+M&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Beaumier%2C+M&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a href="/search/?searchtype=author&query=Beaumier%2C+M&start=50" class="pagination-link " aria-label="Page 2" aria-current="page">2 </a> </li> </ul> </nav> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2409.12756">arXiv:2409.12756</a> <span> [<a href="https://arxiv.org/pdf/2409.12756">pdf</a>, <a href="https://arxiv.org/format/2409.12756">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Measurement of elliptic flow of J$/蠄$ in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions at forward rapidity </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Antsupov%2C+S">S. Antsupov</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannikov%2C+E">E. Bannikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a> , et al. (344 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2409.12756v1-abstract-short" style="display: inline;"> We report the first measurement of the azimuthal anisotropy of J$/蠄$ at forward rapidity ($1.2<|畏|<2.2$) in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV at the Relativistic Heavy Ion Collider. The data were collected by the PHENIX experiment in 2014 and 2016 with integrated luminosity of 14.5~nb$^{-1}$. The second Fourier coefficient ($v_2$) of the azimuthal distribution of $J/蠄$ is determined… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.12756v1-abstract-full').style.display = 'inline'; document.getElementById('2409.12756v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2409.12756v1-abstract-full" style="display: none;"> We report the first measurement of the azimuthal anisotropy of J$/蠄$ at forward rapidity ($1.2<|畏|<2.2$) in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV at the Relativistic Heavy Ion Collider. The data were collected by the PHENIX experiment in 2014 and 2016 with integrated luminosity of 14.5~nb$^{-1}$. The second Fourier coefficient ($v_2$) of the azimuthal distribution of $J/蠄$ is determined as a function of the transverse momentum ($p_T$) using the event-plane method. The measurements were performed for several selections of collision centrality: 0\%--50\%, 10\%--60\%, and 10\%-40\%. We find that in all cases the values of $v_2(p_T)$, which quantify the elliptic flow of J$/蠄$, are consistent with zero. The results are consistent with measurements at midrapidity, indicating no significant elliptic flow of the J$/蠄$ within the quark-gluon-plasma medium at collision energies of $\sqrt{s_{_{NN}}}=200$ GeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.12756v1-abstract-full').style.display = 'none'; document.getElementById('2409.12756v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">369 authors from 72 institutions, 12 pages, 7 figures, 5 tables. v1 is version submitted to Physical Review C. HEPdata tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2409.12715">arXiv:2409.12715</a> <span> [<a href="https://arxiv.org/pdf/2409.12715">pdf</a>, <a href="https://arxiv.org/format/2409.12715">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Measurements at forward rapidity of elliptic flow of charged hadrons and open-heavy-flavor muons in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Antsupov%2C+S">S. Antsupov</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannikov%2C+E">E. Bannikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a> , et al. (344 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2409.12715v1-abstract-short" style="display: inline;"> We present the first forward-rapidity measurements of elliptic anisotropy of open-heavy-flavor muons at the BNL Relativistic Heavy Ion Collider. The measurements are based on data samples of Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV collected by the PHENIX experiment in 2014 and 2016 with integrated luminosity of 14.5~nb$^{-1}$. The measurements are performed in the pseudorapidity range… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.12715v1-abstract-full').style.display = 'inline'; document.getElementById('2409.12715v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2409.12715v1-abstract-full" style="display: none;"> We present the first forward-rapidity measurements of elliptic anisotropy of open-heavy-flavor muons at the BNL Relativistic Heavy Ion Collider. The measurements are based on data samples of Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV collected by the PHENIX experiment in 2014 and 2016 with integrated luminosity of 14.5~nb$^{-1}$. The measurements are performed in the pseudorapidity range $1.2<|畏|<2$ and cover transverse momenta $1<p_T<4$~GeV/$c$. The elliptic flow of charged hadrons as a function of transverse momentum is also measured in the same kinematic range. We observe significant elliptic flow for both charged hadrons and heavy-flavor muons. The results show clear mass ordering of elliptic flow of light- and heavy-flavor particles. The magnitude of the measured $v_2$ is comparable to that in the midrapidity region. This indicates that there is no strong longitudinal dependence in the quark-gluon-plasma evolution between midrapidity and the rapidity range of this measurement at $\sqrt{s_{_{NN}}}=200$~GeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2409.12715v1-abstract-full').style.display = 'none'; document.getElementById('2409.12715v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">369 authors from 72 institutions, 12 pages, 7 figures, 2 tables. v1 is version submitted to Physical Review C. HEPdata tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2408.11144">arXiv:2408.11144</a> <span> [<a href="https://arxiv.org/pdf/2408.11144">pdf</a>, <a href="https://arxiv.org/format/2408.11144">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Measurement of inclusive jet cross section and substructure in $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Antsupov%2C+S">S. Antsupov</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannikov%2C+E">E. Bannikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a> , et al. (422 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2408.11144v1-abstract-short" style="display: inline;"> The jet cross-section and jet-substructure observables in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX Collaboration at the Relativistic Heavy Ion Collider (RHIC). Jets are reconstructed from charged-particle tracks and electromagnetic-calorimeter clusters using the anti-$k_{t}$ algorithm with a jet radius $R=0.3$ for jets with transverse momentum within $8.0<p_T<40.0$ Ge… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.11144v1-abstract-full').style.display = 'inline'; document.getElementById('2408.11144v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2408.11144v1-abstract-full" style="display: none;"> The jet cross-section and jet-substructure observables in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX Collaboration at the Relativistic Heavy Ion Collider (RHIC). Jets are reconstructed from charged-particle tracks and electromagnetic-calorimeter clusters using the anti-$k_{t}$ algorithm with a jet radius $R=0.3$ for jets with transverse momentum within $8.0<p_T<40.0$ GeV/$c$ and pseudorapidity $|畏|<0.15$. Measurements include the jet cross section, as well as distributions of SoftDrop-groomed momentum fraction ($z_g$), charged-particle transverse momentum with respect to jet axis ($j_T$), and radial distributions of charged particles within jets ($r$). Also meaureed was the distribution of $尉=-ln(z)$, where $z$ is the fraction of the jet momentum carried by the charged particle. The measurements are compared to theoretical next-to and next-to-next-to-leading-order calculatios, PYTHIA event generator, and to other existing experimental results. Indicated from these meaurements is a lower particle multiplicity in jets at RHIC energies when compared to models. Also noted are implications for future jet measurements with sPHENIX at RHIC as well as at the future Election-Ion Collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.11144v1-abstract-full').style.display = 'none'; document.getElementById('2408.11144v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">446 authors from 77 institutions, 11 pages, 8 figures. v1 is version submitted to Physical Review D. HEPdata tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2406.08301">arXiv:2406.08301</a> <span> [<a href="https://arxiv.org/pdf/2406.08301">pdf</a>, <a href="https://arxiv.org/format/2406.08301">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.110.044901">10.1103/PhysRevC.110.044901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Jet modification via $蟺^0$-hadron correlations in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/nucl-ex?searchtype=author&query=Asai%2C+J">J. Asai</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Baksay%2C+G">G. Baksay</a>, <a href="/search/nucl-ex?searchtype=author&query=Baksay%2C+L">L. Baksay</a>, <a href="/search/nucl-ex?searchtype=author&query=Baldisseri%2C+A">A. Baldisseri</a> , et al. (511 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2406.08301v2-abstract-short" style="display: inline;"> High-momentum two-particle correlations are a useful tool for studying jet-quenching effects in the quark-gluon plasma. Angular correlations between neutral-pion triggers and charged hadrons with transverse momenta in the range 4--12~GeV/$c$ and 0.5--7~GeV/$c$, respectively, have been measured by the PHENIX experiment in 2014 for Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$~GeV. Suppression is obs… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.08301v2-abstract-full').style.display = 'inline'; document.getElementById('2406.08301v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2406.08301v2-abstract-full" style="display: none;"> High-momentum two-particle correlations are a useful tool for studying jet-quenching effects in the quark-gluon plasma. Angular correlations between neutral-pion triggers and charged hadrons with transverse momenta in the range 4--12~GeV/$c$ and 0.5--7~GeV/$c$, respectively, have been measured by the PHENIX experiment in 2014 for Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$~GeV. Suppression is observed in the yield of high-momentum jet fragments opposite the trigger particle, which indicates jet suppression stemming from in-medium partonic energy loss, while enhancement is observed for low-momentum particles. The ratio and differences between the yield in Au$+$Au collisions and $p$$+$$p$ collisions, $I_{AA}$ and $螖_{AA}$, as a function of the trigger-hadron azimuthal separation, $螖蠁$, are measured for the first time at the Relativistic Heavy Ion Collider. These results better quantify how the yield of low-$p_T$ associated hadrons is enhanced at wide angle, which is crucial for studying energy loss as well as medium-response effects. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2406.08301v2-abstract-full').style.display = 'none'; document.getElementById('2406.08301v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 June, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">535 authors from 84 institutions, 12 pages, 8 figures. v2 is version accepted for publication in Physical Review C. HEPdata tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 110, 044901 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2312.09827">arXiv:2312.09827</a> <span> [<a href="https://arxiv.org/pdf/2312.09827">pdf</a>, <a href="https://arxiv.org/format/2312.09827">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.109.054910">10.1103/PhysRevC.109.054910 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Identified charged-hadron production in $p$$+$Al, $^3$He$+$Au, and Cu$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV and in U$+$U collisions at $\sqrt{s_{_{NN}}}=193$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a> , et al. (456 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2312.09827v2-abstract-short" style="display: inline;"> The PHENIX experiment has performed a systematic study of identified charged-hadron ($蟺^\pm$, $K^\pm$, $p$, $\bar{p}$) production at midrapidity in $p$$+$Al, $^3$He$+$Au, Cu$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV and U$+$U collisions at $\sqrt{s_{_{NN}}}=193$ GeV. Identified charged-hadron invariant transverse-momentum ($p_T$) and transverse-mass ($m_T$) spectra are presented and interprete… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.09827v2-abstract-full').style.display = 'inline'; document.getElementById('2312.09827v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2312.09827v2-abstract-full" style="display: none;"> The PHENIX experiment has performed a systematic study of identified charged-hadron ($蟺^\pm$, $K^\pm$, $p$, $\bar{p}$) production at midrapidity in $p$$+$Al, $^3$He$+$Au, Cu$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV and U$+$U collisions at $\sqrt{s_{_{NN}}}=193$ GeV. Identified charged-hadron invariant transverse-momentum ($p_T$) and transverse-mass ($m_T$) spectra are presented and interpreted in terms of radially expanding thermalized systems. The particle ratios of $K/蟺$ and $p/蟺$ have been measured in different centrality ranges of large (Cu$+$Au, U$+$U) and small ($p$$+$Al, $^3$He$+$Au) collision systems. The values of $K/蟺$ ratios measured in all considered collision systems were found to be consistent with those measured in $p$$+$$p$ collisions. However the values of $p/蟺$ ratios measured in large collision systems reach the values of $\approx0.6$, which is $\approx2$ times larger than in $p$$+$$p$ collisions. These results can be qualitatively understood in terms of the baryon enhancement expected from hadronization by recombination. Identified charged-hadron nuclear-modification factors ($R_{AB}$) are also presented. Enhancement of proton $R_{AB}$ values over meson $R_{AB}$ values was observed in central $^3$He$+$Au, Cu$+$Au, and U$+$U collisions. The proton $R_{AB}$ values measured in $p$$+$Al collision system were found to be consistent with $R_{AB}$ values of $蠁$, $蟺^\pm$, $K^\pm$, and $蟺^0$ mesons, which may indicate that the size of the system produced in $p$$+$Al collisions is too small for recombination to cause a noticeable increase in proton production. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2312.09827v2-abstract-full').style.display = 'none'; document.getElementById('2312.09827v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 December, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">480 authors from 78 institutions, 18 pages, 6 tables, 16 figures. v2 is version accepted for publication in Physical Review C. HEPdata tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 109, 054910 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2207.10745">arXiv:2207.10745</a> <span> [<a href="https://arxiv.org/pdf/2207.10745">pdf</a>, <a href="https://arxiv.org/format/2207.10745">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.107.014907">10.1103/PhysRevC.107.014907 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of $蠁$-meson production in Cu$+$Au at $\sqrt{s_{_{NN}}}=200$ GeV and U$+$U at $\sqrt{s_{_{NN}}}=193$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Alibordi%2C+M">M. Alibordi</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a> , et al. (387 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.10745v2-abstract-short" style="display: inline;"> The PHENIX experiment reports systematic measurements at the Relativistic Heavy Ion Collider of $蠁$-meson production in asymmetric Cu$+$Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV and in U$+$U collisions at $\sqrt{s_{_{NN}}}$=193 GeV. Measurements were performed via the $蠁\rightarrow K^{+}K^{-}$ decay channel at midrapidity $|畏|<0.35$. Features of $蠁$-meson production measured in Cu$+$Cu, Cu$+$Au,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.10745v2-abstract-full').style.display = 'inline'; document.getElementById('2207.10745v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.10745v2-abstract-full" style="display: none;"> The PHENIX experiment reports systematic measurements at the Relativistic Heavy Ion Collider of $蠁$-meson production in asymmetric Cu$+$Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV and in U$+$U collisions at $\sqrt{s_{_{NN}}}$=193 GeV. Measurements were performed via the $蠁\rightarrow K^{+}K^{-}$ decay channel at midrapidity $|畏|<0.35$. Features of $蠁$-meson production measured in Cu$+$Cu, Cu$+$Au, Au$+$Au, and U$+$U collisions were found to not depend on the collision geometry, which was expected because the yields are averaged over the azimuthal angle and follow the expected scaling with nuclear-overlap size. The elliptic flow of the $蠁$ meson in Cu$+$Au, Au$+$Au, and U$+$U collisions scales with second-order-participant eccentricity and the length scale of the nuclear-overlap region (estimated with the number of participating nucleons). At moderate $p_T$, $蠁$-meson production measured in Cu$+$Au and U$+$U collisions is consistent with coalescence-model predictions, whereas at high $p_T$ the production is in agreement with expectations for in-medium energy loss of parent partons prior to their fragmentation. The elliptic flow for $蠁$ mesons measured in Cu$+$Au and U$+$U collisions is well described by a (2+1)D viscous-hydrodynamic model with specific-shear viscosity $畏/s=1/4蟺$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.10745v2-abstract-full').style.display = 'none'; document.getElementById('2207.10745v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 January, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">412 authors from 76 institutions, 16 pages, 12 figures, 9 tables, 2012 data. v2 is version accepted for publication by Physical Review C. HEPdata for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 107, 014907 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.17187">arXiv:2203.17187</a> <span> [<a href="https://arxiv.org/pdf/2203.17187">pdf</a>, <a href="https://arxiv.org/format/2203.17187">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.109.044912">10.1103/PhysRevC.109.044912 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nonprompt direct-photon production in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a>, <a href="/search/nucl-ex?searchtype=author&query=Blankenship%2C+B">B. Blankenship</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a> , et al. (311 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.17187v2-abstract-short" style="display: inline;"> The measurement of the direct-photon spectrum from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV is presented by the PHENIX collaboration using the external-photon-conversion technique for 0\%--93\% central collisions in a transverse-momentum ($p_T$) range of 0.8--10 GeV/$c$. An excess of direct photons, above prompt-photon production from hard-scattering processes, is observed for $p_T<6$ GeV/… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.17187v2-abstract-full').style.display = 'inline'; document.getElementById('2203.17187v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.17187v2-abstract-full" style="display: none;"> The measurement of the direct-photon spectrum from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV is presented by the PHENIX collaboration using the external-photon-conversion technique for 0\%--93\% central collisions in a transverse-momentum ($p_T$) range of 0.8--10 GeV/$c$. An excess of direct photons, above prompt-photon production from hard-scattering processes, is observed for $p_T<6$ GeV/$c$. Nonprompt direct photons are measured by subtracting the prompt component, which is estimated as $N_{\rm coll}$-scaled direct photons from $p$$+$$p$ collisions at 200 GeV, from the direct-photon spectrum. Results are obtained for $0.8<p_T<6.0$ GeV/$c$ and suggest that the spectrum has an increasing inverse slope from ${\approx}0.2$ to 0.4 GeV/$c$ with increasing $p_T$, which indicates a possible sensitivity of the measurement to photons from earlier stages of the evolution of the collision. In addition, like the direct-photon production, the $p_T$-integrated nonprompt direct-photon yields also follow a power-law scaling behavior as a function of collision-system size. The exponent, $伪$, for the nonprompt component is found to be consistent with 1.1 with no apparent $p_T$ dependence. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.17187v2-abstract-full').style.display = 'none'; document.getElementById('2203.17187v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">336 authors from 71 institutions, 26 pages, 30 figures, 4 tabels, 2014 data. v2 is version accepted for publication in Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 109, 044912 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.17058">arXiv:2203.17058</a> <span> [<a href="https://arxiv.org/pdf/2203.17058">pdf</a>, <a href="https://arxiv.org/format/2203.17058">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.109.044907">10.1103/PhysRevC.109.044907 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Charm- and Bottom-Quark Production in Au$+$Au Collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a>, <a href="/search/nucl-ex?searchtype=author&query=Blankenship%2C+B">B. Blankenship</a> , et al. (321 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.17058v2-abstract-short" style="display: inline;"> The invariant yield of electrons from open-heavy-flavor decays for $1<p_T<8$ GeV/$c$ at midrapidity $|y|<0.35$ in Au$+$Au collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV has been measured by the PHENIX experiment at the Relativistic Heavy Ion Collider. A displaced-vertex analysis with the PHENIX silicon-vertex detector enables extraction of the fraction of charm and bottom hadron decays and unfolding o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.17058v2-abstract-full').style.display = 'inline'; document.getElementById('2203.17058v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.17058v2-abstract-full" style="display: none;"> The invariant yield of electrons from open-heavy-flavor decays for $1<p_T<8$ GeV/$c$ at midrapidity $|y|<0.35$ in Au$+$Au collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV has been measured by the PHENIX experiment at the Relativistic Heavy Ion Collider. A displaced-vertex analysis with the PHENIX silicon-vertex detector enables extraction of the fraction of charm and bottom hadron decays and unfolding of the invariant yield of parent charm and bottom hadrons. The nuclear-modification factors $R_{AA}$ for electrons from charm and bottom hadron decays and heavy-flavor hadrons show both a centrality and a quark-mass dependence, indicating suppression in the quark-gluon plasma produced in these collisions that is medium sized and quark-mass dependent. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.17058v2-abstract-full').style.display = 'none'; document.getElementById('2203.17058v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 April, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">345 authors from 72 institutions, 16 pages, 18 figures, 2014 data. v2 is version accepted for publication in Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 109, 044907 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.09894">arXiv:2203.09894</a> <span> [<a href="https://arxiv.org/pdf/2203.09894">pdf</a>, <a href="https://arxiv.org/format/2203.09894">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.107.024907">10.1103/PhysRevC.107.024907 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of second-harmonic Fourier coefficients from azimuthal anisotropies in $p$$+$$p$, $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a> , et al. (368 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.09894v2-abstract-short" style="display: inline;"> Recently, the PHENIX Collaboration has published second- and third-harmonic Fourier coefficients $v_2$ and $v_3$ for midrapidity ($|畏|<0.35$) charged hadrons in 0\%--5\% central $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV utilizing three sets of two-particle correlations for two detector combinations with different pseudorapidity acceptance [Phys. Rev. C {\bf 105},… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.09894v2-abstract-full').style.display = 'inline'; document.getElementById('2203.09894v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.09894v2-abstract-full" style="display: none;"> Recently, the PHENIX Collaboration has published second- and third-harmonic Fourier coefficients $v_2$ and $v_3$ for midrapidity ($|畏|<0.35$) charged hadrons in 0\%--5\% central $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV utilizing three sets of two-particle correlations for two detector combinations with different pseudorapidity acceptance [Phys. Rev. C {\bf 105}, 024901 (2022)]. This paper extends these measurements of $v_2$ to all centralities in $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions, as well as $p$$+$$p$ collisions, as a function of transverse momentum ($p_T$) and event multiplicity. The kinematic dependence of $v_2$ is quantified as the ratio $R$ of $v_2$ between the two detector combinations as a function of event multiplicity for $0.5$$<$$p_T$$<$$1$ and $2$$<$$p_T$$<$$2.5$ GeV/$c$. A multiphase-transport (AMPT) model can reproduce the observed $v_2$ in most-central to midcentral $d$$+$Au and $^3$He$+$Au collisions. However, the AMPT model systematically overestimates the measurements in $p$$+$$p$, $p$$+$Au, and peripheral $d$$+$Au and $^3$He$+$Au collisions, indicating a higher nonflow contribution in AMPT than in the experimental data. The AMPT model fails to describe the observed $R$ for $0.5$$<$$p_T$$<$$1$ GeV/$c$, but there is qualitative agreement with the measurements for $2$$<$$p_T$$<$$2.5$ GeV/$c$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.09894v2-abstract-full').style.display = 'none'; document.getElementById('2203.09894v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">393 authors from 72 institutions, 14 pages, 10 figures, 2014, 2015, and 2016 data. v2 is version accepted for publication in Physical Review C. HEPdata tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 107, 024907 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.06087">arXiv:2203.06087</a> <span> [<a href="https://arxiv.org/pdf/2203.06087">pdf</a>, <a href="https://arxiv.org/format/2203.06087">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.106.014908">10.1103/PhysRevC.106.014908 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Study of $蠁$-meson production in $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a>, <a href="/search/nucl-ex?searchtype=author&query=Blankenship%2C+B">B. Blankenship</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a> , et al. (346 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.06087v2-abstract-short" style="display: inline;"> Small nuclear collisions are mainly sensitive to cold-nuclear-matter effects; however, the collective behavior observed in these collisions shows a hint of hot-nuclear-matter effects. The identified-particle spectra, especially the $蠁$ mesons which contain strange and antistrange quarks and have a relatively small hadronic-interaction cross section, are a good tool to study these effects. The PHEN… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.06087v2-abstract-full').style.display = 'inline'; document.getElementById('2203.06087v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.06087v2-abstract-full" style="display: none;"> Small nuclear collisions are mainly sensitive to cold-nuclear-matter effects; however, the collective behavior observed in these collisions shows a hint of hot-nuclear-matter effects. The identified-particle spectra, especially the $蠁$ mesons which contain strange and antistrange quarks and have a relatively small hadronic-interaction cross section, are a good tool to study these effects. The PHENIX experiment has measured $蠁$ mesons in a specific set of small collision systems $p$$+$Al, $p$$+$Au, and $^3$He$+$Au, as well as $d$$+$Au [Phys. Rev. C {\bf 83}, 024909 (2011)], at $\sqrt{s_{_{NN}}}=200$ GeV. The transverse-momentum spectra and nuclear-modification factors are presented and compared to theoretical-model predictions. The comparisons with different calculations suggest that quark-gluon plasma may be formed in these small collision systems at $\sqrt{s_{_{NN}}}=200$ GeV. However, the volume and the lifetime of the produced medium may be insufficient for observing strangeness-enhancement and jet-quenching effects. Comparison with calculations suggests that the main production mechanisms of $蠁$ mesons at midrapidity may be different in $p$$+$Al versus $p/d/$$^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. While thermal quark recombination seems to dominate in $p/d/$$^3$He$+$Au collisions, fragmentation seems to be the main production mechanism in $p$$+$Al collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.06087v2-abstract-full').style.display = 'none'; document.getElementById('2203.06087v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">371 authors from 72 institutions, 13 pages, 7 figures, 7 tables, 2014 and 2015 data. v2 is version accepted for publication Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 106, 014908 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2202.08158">arXiv:2202.08158</a> <span> [<a href="https://arxiv.org/pdf/2202.08158">pdf</a>, <a href="https://arxiv.org/format/2202.08158">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.130.251901">10.1103/PhysRevLett.130.251901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at $\sqrt{s}=510$ GeV in $\vec{p}+\vec{p}$ Collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/nucl-ex?searchtype=author&query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a> , et al. (336 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2202.08158v2-abstract-short" style="display: inline;"> We present measurements of the cross section and double-helicity asymmetry $A_{LL}$ of direct-photon production in $\vec{p}+\vec{p}$ collisions at $\sqrt{s}=510$ GeV. The measurements have been performed at midrapidity ($|畏|<0.25$) with the PHENIX detector at the Relativistic Heavy Ion Collider. At relativistic energies, direct photons are dominantly produced from the initial quark-gluon hard scat… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.08158v2-abstract-full').style.display = 'inline'; document.getElementById('2202.08158v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2202.08158v2-abstract-full" style="display: none;"> We present measurements of the cross section and double-helicity asymmetry $A_{LL}$ of direct-photon production in $\vec{p}+\vec{p}$ collisions at $\sqrt{s}=510$ GeV. The measurements have been performed at midrapidity ($|畏|<0.25$) with the PHENIX detector at the Relativistic Heavy Ion Collider. At relativistic energies, direct photons are dominantly produced from the initial quark-gluon hard scattering and do not interact via the strong force at leading order. Therefore, at $\sqrt{s}=510$ GeV, where leading-order-effects dominate, these measurements provide clean and direct access to the gluon helicity in the polarized proton in the gluon-momentum-fraction range $0.02<x<0.08$, with direct sensitivity to the sign of the gluon contribution. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.08158v2-abstract-full').style.display = 'none'; document.getElementById('2202.08158v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">358 authors from 72 institutions, 8 pages, 2 figures, 1 table, 2013 data. v2 is version accepted by Physical Review Letters. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2202.03863">arXiv:2202.03863</a> <span> [<a href="https://arxiv.org/pdf/2202.03863">pdf</a>, <a href="https://arxiv.org/format/2202.03863">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.105.064912">10.1103/PhysRevC.105.064912 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of $蠄(2S)$ nuclear modification at backward and forward rapidity in $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a>, <a href="/search/nucl-ex?searchtype=author&query=Blankenship%2C+B">B. Blankenship</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Borisov%2C+V">V. Borisov</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a> , et al. (291 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2202.03863v2-abstract-short" style="display: inline;"> Suppression of the $J/蠄$ nuclear-modification factor has been seen as a trademark signature of final-state effects in large collision systems for decades. In small systems, the nuclear modification was attributed to cold-nuclear-matter effects until the observation of strong differential suppression of the $蠄(2S)$ state in $p/d$$+$$A$ collisions suggested the presence of final-state effects. Resul… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.03863v2-abstract-full').style.display = 'inline'; document.getElementById('2202.03863v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2202.03863v2-abstract-full" style="display: none;"> Suppression of the $J/蠄$ nuclear-modification factor has been seen as a trademark signature of final-state effects in large collision systems for decades. In small systems, the nuclear modification was attributed to cold-nuclear-matter effects until the observation of strong differential suppression of the $蠄(2S)$ state in $p/d$$+$$A$ collisions suggested the presence of final-state effects. Results of $J/蠄$ and $蠄(2S)$ measurements in the dimuon decay channel are presented here for $p$$+$$p$, $p$$+$Al, and $p$$+$Au collision systems at $\sqrt{s_{_{NN}}}=200$ GeV. The results are predominantly shown in the form of the nuclear-modification factor, $R_{pA}$, the ratio of the $蠄(2S)$ invariant yield per nucleon-nucleon collision in collisions of proton on target nucleus to that in $p$$+$$p$ collisions. Measurements of the $J/蠄$ and $蠄(2S)$ nuclear-modification factor are compared with shadowing and transport-model predictions, as well as to complementary measurements at Large-Hadron-Collider energies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2202.03863v2-abstract-full').style.display = 'none'; document.getElementById('2202.03863v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">315 authors from 69 institutions, 16 pages, 9 figures, 4 tables, 2015 data. v2 is version accepted for publication in Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 105, 064912 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2112.05680">arXiv:2112.05680</a> <span> [<a href="https://arxiv.org/pdf/2112.05680">pdf</a>, <a href="https://arxiv.org/format/2112.05680">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.105.032003">10.1103/PhysRevD.105.032003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized $p{+}p$ collisions at $\sqrt{s}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a>, <a href="/search/nucl-ex?searchtype=author&query=Blankenship%2C+B">B. Blankenship</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Borisov%2C+V">V. Borisov</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a> , et al. (286 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2112.05680v2-abstract-short" style="display: inline;"> In 2015, the PHENIX collaboration has measured single-spin asymmetries for charged pions in transversely polarized proton-proton collisions at the center of mass energy of $\sqrt{s}=200$ GeV. The pions were detected at central rapidities of $|畏|<0.35$. The single-spin asymmetries are consistent with zero for each charge individually, as well as consistent with the previously published neutral-pion… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.05680v2-abstract-full').style.display = 'inline'; document.getElementById('2112.05680v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2112.05680v2-abstract-full" style="display: none;"> In 2015, the PHENIX collaboration has measured single-spin asymmetries for charged pions in transversely polarized proton-proton collisions at the center of mass energy of $\sqrt{s}=200$ GeV. The pions were detected at central rapidities of $|畏|<0.35$. The single-spin asymmetries are consistent with zero for each charge individually, as well as consistent with the previously published neutral-pion asymmetries in the same rapidity range. However, they show a slight indication of charge-dependent differences which may suggest a flavor dependence in the underlying mechanisms that create these asymmetries. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.05680v2-abstract-full').style.display = 'none'; document.getElementById('2112.05680v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">311 authors from 68 institutions, 8 pages, 3 figures, 1 table. 2015 data. v2 is version accepted for publication in Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 105, 032003 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.05756">arXiv:2111.05756</a> <span> [<a href="https://arxiv.org/pdf/2111.05756">pdf</a>, <a href="https://arxiv.org/format/2111.05756">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.105.064902">10.1103/PhysRevC.105.064902 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Systematic study of nuclear effects in $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV using $蟺^0$ production </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Angerami%2C+A">A. Angerami</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Baksay%2C+G">G. Baksay</a>, <a href="/search/nucl-ex?searchtype=author&query=Baksay%2C+L">L. Baksay</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a> , et al. (529 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2111.05756v2-abstract-short" style="display: inline;"> The PHENIX collaboration presents a systematic study of $蟺^0$ production from $p$$+$$p$, $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Measurements were performed with different centrality selections as well as the total inelastic, 0%--100%, selection for all collision systems. For 0%--100% collisions, the nuclear modification factors, $R_{xA}$, are cons… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.05756v2-abstract-full').style.display = 'inline'; document.getElementById('2111.05756v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.05756v2-abstract-full" style="display: none;"> The PHENIX collaboration presents a systematic study of $蟺^0$ production from $p$$+$$p$, $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Measurements were performed with different centrality selections as well as the total inelastic, 0%--100%, selection for all collision systems. For 0%--100% collisions, the nuclear modification factors, $R_{xA}$, are consistent with unity for $p_T$ above 8 GeV/$c$, but exhibit an enhancement in peripheral collisions and a suppression in central collisions. The enhancement and suppression characteristics are similar for all systems for the same centrality class. It is shown that for high-$p_T$-$蟺^0$ production, the nucleons in the $d$ and $^3$He interact mostly independently with the Au nucleus and that the counter intuitive centrality dependence is likely due to a physical correlation between multiplicity and the presence of a hard scattering process. These observations disfavor models where parton energy loss has a significant contribution to nuclear modifications in small systems. Nuclear modifications at lower $p_T$ resemble the Cronin effect -- an increase followed by a peak in central or inelastic collisions and a plateau in peripheral collisions. The peak height has a characteristic ordering by system size as $p$$+$Au $>$ $d$$+$Au $>$ $^{3}$He$+$Au $>$ $p$$+$Al. For collisions with Au ions, current calculations based on initial state cold nuclear matter effects result in the opposite order, suggesting the presence of other contributions to nuclear modifications, in particular at lower $p_T$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.05756v2-abstract-full').style.display = 'none'; document.getElementById('2111.05756v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">554 authors from 81 institutions, 21 pages, 13 figures, and 3 tables. Data from 2008, 2014, and 2015. v2 is version accepted for publication in Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 105, 064902 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2110.07504">arXiv:2110.07504</a> <span> [<a href="https://arxiv.org/pdf/2110.07504">pdf</a>, <a href="https://arxiv.org/format/2110.07504">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.105.032004">10.1103/PhysRevD.105.032004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Transverse single spin asymmetries of forward neutrons in $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV as a function of transverse and longitudinal momenta </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a>, <a href="/search/nucl-ex?searchtype=author&query=Blankenship%2C+B">B. Blankenship</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Borisov%2C+V">V. Borisov</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a> , et al. (286 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2110.07504v2-abstract-short" style="display: inline;"> In 2015 the PHENIX collaboration at the Relativistic Heavy Ion Collider recorded $p$$+$$p$, $p$$+$Al, and $p$$+$Au collision data at center of mass energies of $\sqrt{s_{_{NN}}}=200$ GeV with the proton beam(s) transversely polarized. At very forward rapidities $畏>6.8$ relative to the polarized proton beam, neutrons were detected either inclusively or in (anti)correlation with detector activity re… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.07504v2-abstract-full').style.display = 'inline'; document.getElementById('2110.07504v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.07504v2-abstract-full" style="display: none;"> In 2015 the PHENIX collaboration at the Relativistic Heavy Ion Collider recorded $p$$+$$p$, $p$$+$Al, and $p$$+$Au collision data at center of mass energies of $\sqrt{s_{_{NN}}}=200$ GeV with the proton beam(s) transversely polarized. At very forward rapidities $畏>6.8$ relative to the polarized proton beam, neutrons were detected either inclusively or in (anti)correlation with detector activity related to hard collisions. The resulting single spin asymmetries, that were previously reported, have now been extracted as a function of the transverse momentum of the neutron as well as its longitudinal momentum fraction $x_F$. The explicit kinematic dependence, combined with the correlation information allows for a closer look at the interplay of different mechanisms suggested to describe these asymmetries, such as hadronic interactions or electromagnetic interactions in ultra-peripheral collisions, UPC. Events that are correlated with a hard collision indeed display a mostly negative asymmetry that increases in magnitude as a function of transverse momentum with only little dependence on $x_F$. In contrast, events that are not likely to have emerged from a hard collision display positive asymmetries for the nuclear collisions with a kinematic dependence that resembles that of a UPC based model. Because the UPC interaction depends strongly on the charge of the nucleus, those effects are very small for $p$$+$$p$ collisions, moderate for $p$$+$Al collisions, and large for $p$$+$Au collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.07504v2-abstract-full').style.display = 'none'; document.getElementById('2110.07504v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">311 authors from 68 institutions, 12 pages, 8 figures, 2015 data. v2 is version accepted for publication in Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 105, 032004 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2107.06634">arXiv:2107.06634</a> <span> [<a href="https://arxiv.org/pdf/2107.06634">pdf</a>, <a href="https://arxiv.org/format/2107.06634">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.105.024901">10.1103/PhysRevC.105.024901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Kinematic dependence of azimuthal anisotropies in $p$$+$Au, $d$$+$Au, $^3$He+Au at $\sqrt{s_{_{NN}}}$ = 200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a> , et al. (360 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2107.06634v2-abstract-short" style="display: inline;"> There is strong evidence for the formation of small droplets of quark-gluon plasma in $p/d/^{3}$He+Au collisions at the Relativistic Heavy Ion Collider (RHIC) and in $p$+$p$/Pb collisions at the Large Hadron Collider. In particular, the analysis of data at RHIC for different geometries obtained by varying the projectile size and shape has proven insightful. In the present analysis, we find excelle… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.06634v2-abstract-full').style.display = 'inline'; document.getElementById('2107.06634v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2107.06634v2-abstract-full" style="display: none;"> There is strong evidence for the formation of small droplets of quark-gluon plasma in $p/d/^{3}$He+Au collisions at the Relativistic Heavy Ion Collider (RHIC) and in $p$+$p$/Pb collisions at the Large Hadron Collider. In particular, the analysis of data at RHIC for different geometries obtained by varying the projectile size and shape has proven insightful. In the present analysis, we find excellent agreement with the previously published PHENIX at RHIC results on elliptical and triangular flow with an independent analysis via the two-particle correlation method, which has quite different systematic uncertainties and an independent code base. In addition, the results are extended to other detector combinations with different kinematic (pseudorapidity) coverage. These results provide additional constraints on contributions from nonflow and longitudinal decorrelations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.06634v2-abstract-full').style.display = 'none'; document.getElementById('2107.06634v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 February, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 July, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">383 authors from 70 institutions, 13 pages, 12 figures, 4 tables, 2014,15,16 data (and supplemental material of 9 pages with 6 figures and 16 tables). v2 is version accepted for publication in Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2102.13585">arXiv:2102.13585</a> <span> [<a href="https://arxiv.org/pdf/2102.13585">pdf</a>, <a href="https://arxiv.org/format/2102.13585">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.127.162001">10.1103/PhysRevLett.127.162001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in $p^\uparrow+p$ collisions at $\sqrt{s}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Bichon%2C+L">L. Bichon</a>, <a href="/search/nucl-ex?searchtype=author&query=Blankenship%2C+B">B. Blankenship</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a> , et al. (286 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2102.13585v2-abstract-short" style="display: inline;"> Studying spin-momentum correlations in hadronic collisions offers a glimpse into a three-dimensional picture of proton structure. The transverse single-spin asymmetry for midrapidity isolated direct photons in $p^\uparrow+p$ collisions at $\sqrt{s}=200$ GeV is measured with the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). Because direct photons in particular are produced from the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.13585v2-abstract-full').style.display = 'inline'; document.getElementById('2102.13585v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2102.13585v2-abstract-full" style="display: none;"> Studying spin-momentum correlations in hadronic collisions offers a glimpse into a three-dimensional picture of proton structure. The transverse single-spin asymmetry for midrapidity isolated direct photons in $p^\uparrow+p$ collisions at $\sqrt{s}=200$ GeV is measured with the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). Because direct photons in particular are produced from the hard scattering and do not interact via the strong force, this measurement is a clean probe of initial-state spin-momentum correlations inside the proton and is in particular sensitive to gluon interference effects within the proton. This is the first time direct photons have been used as a probe of spin-momentum correlations at RHIC. The uncertainties on the results are a fifty-fold improvement with respect to those of the one prior measurement for the same observable, from the Fermilab E704 experiment. These results constrain gluon spin-momentum correlations in transversely polarized protons. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2102.13585v2-abstract-full').style.display = 'none'; document.getElementById('2102.13585v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 August, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 February, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">312 authors from 68 institutions, 8 pages, 2 figures, 1 table, 2015 data. v2 is version accepted by Physical Review Letters. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.14686">arXiv:2005.14686</a> <span> [<a href="https://arxiv.org/pdf/2005.14686">pdf</a>, <a href="https://arxiv.org/format/2005.14686">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.102.064905">10.1103/PhysRevC.102.064905 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Production of $蟺^0$ and $畏$ mesons in U$+$U collisions at $\sqrt{s_{_{NN}}}=192$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a> , et al. (378 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2005.14686v2-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider measured $蟺^0$ and $畏$ mesons at midrapidity in U$+$U collisions at $\sqrt{s_{_{NN}}}=192$ GeV in a wide transverse momentum range. Measurements were performed in the $蟺^0(畏)\rightarrow纬纬$ decay modes. A strong suppression of $蟺^0$ and $畏$ meson production at high transverse momentum was observed in central U$+$U collisions relative to b… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14686v2-abstract-full').style.display = 'inline'; document.getElementById('2005.14686v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.14686v2-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider measured $蟺^0$ and $畏$ mesons at midrapidity in U$+$U collisions at $\sqrt{s_{_{NN}}}=192$ GeV in a wide transverse momentum range. Measurements were performed in the $蟺^0(畏)\rightarrow纬纬$ decay modes. A strong suppression of $蟺^0$ and $畏$ meson production at high transverse momentum was observed in central U$+$U collisions relative to binary scaled $p$$+$$p$ results. Yields of $蟺^0$ and $畏$ mesons measured in U$+$U collisions show similar suppression pattern to the ones measured in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV for similar numbers of participant nucleons. The $畏$/$蟺^0$ ratios do not show dependence on centrality or transverse momentum, and are consistent with previously measured values in hadron-hadron, hadron-nucleus, nucleus-nucleus, and $e^+e^-$ collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14686v2-abstract-full').style.display = 'none'; document.getElementById('2005.14686v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 November, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">403 authors from 72 institutions, 13 pages, 6 figures, 7 tables, 2012 data. v2 is version accepted by Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 102, 064905 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.14276">arXiv:2005.14276</a> <span> [<a href="https://arxiv.org/pdf/2005.14276">pdf</a>, <a href="https://arxiv.org/format/2005.14276">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.102.092002">10.1103/PhysRevD.102.092002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Production of $b\bar{b}$ at forward rapidity in $p$+$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U">U. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a> , et al. (325 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2005.14276v2-abstract-short" style="display: inline;"> The cross section of bottom quark-antiquark ($b\bar{b}$) production in $p$+$p$ collisions at $\sqrt{s}=510$ GeV is measured with the PHENIX detector at the Relativistic Heavy Ion Collider. The results are based on the yield of high mass, like-sign muon pairs measured within the PHENIX muon arm acceptance ($1.2<|y|<2.2$). The $b\bar{b}$ signal is extracted from like-sign dimuons by utilizing the un… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14276v2-abstract-full').style.display = 'inline'; document.getElementById('2005.14276v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.14276v2-abstract-full" style="display: none;"> The cross section of bottom quark-antiquark ($b\bar{b}$) production in $p$+$p$ collisions at $\sqrt{s}=510$ GeV is measured with the PHENIX detector at the Relativistic Heavy Ion Collider. The results are based on the yield of high mass, like-sign muon pairs measured within the PHENIX muon arm acceptance ($1.2<|y|<2.2$). The $b\bar{b}$ signal is extracted from like-sign dimuons by utilizing the unique properties of neutral $B$ meson oscillation. We report a differential cross section of $d蟽_{b\bar{b}\rightarrow 渭^\pm渭^\pm}/dy = 0.16 \pm 0.01~(\mbox{stat}) \pm 0.02~(\mbox{syst}) \pm 0.02~(\mbox{global})$ nb for like-sign muons in the rapidity and $p_T$ ranges $1.2<|y|<2.2$ and $p_T>1$ GeV/$c$, and dimuon mass of 5--10 GeV/$c^2$. The extrapolated total cross section at this energy for $b\bar{b}$ production is $13.1 \pm 0.6~(\mbox{stat}) \pm 1.5~(\mbox{syst}) \pm 2.7~(\mbox{global})~渭$b. The total cross section is compared to a perturbative quantum chromodynamics calculation and is consistent within uncertainties. The azimuthal opening angle between muon pairs from $b\bar{b}$ decays and their $p_T$ distributions are compared to distributions generated using {\sc ps pythia 6}, which includes next-to-leading order processes. The azimuthal correlations and pair $p_T$ distribution are not very well described by {\sc pythia} calculations, but are still consistent within uncertainties. Flavor creation and flavor excitation subprocesses are favored over gluon splitting. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14276v2-abstract-full').style.display = 'none'; document.getElementById('2005.14276v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 October, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">360 authors from 69 institutions, 13 pages, 11 figures, 2 tables, 2013 data. v2 is version accepted for publication in Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 102, 092002 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2004.02681">arXiv:2004.02681</a> <span> [<a href="https://arxiv.org/pdf/2004.02681">pdf</a>, <a href="https://arxiv.org/ps/2004.02681">ps</a>, <a href="https://arxiv.org/format/2004.02681">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.102.032001">10.1103/PhysRevD.102.032001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of charged pion double spin asymmetries at midrapidity in longitudinally polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a> , et al. (335 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2004.02681v2-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the longitudinal double spin asymmetries, $A_{LL}$, for charged pions at midrapidity ($|畏|<0.35$) in longitudinally polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. These measurements are sensitive to the gluon spin contribution to the total spin of the proton in the parton momentum fraction $x$ range between 0.04 and 0… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.02681v2-abstract-full').style.display = 'inline'; document.getElementById('2004.02681v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2004.02681v2-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the longitudinal double spin asymmetries, $A_{LL}$, for charged pions at midrapidity ($|畏|<0.35$) in longitudinally polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. These measurements are sensitive to the gluon spin contribution to the total spin of the proton in the parton momentum fraction $x$ range between 0.04 and 0.09. One can infer the sign of the gluon polarization from the ordering of pion asymmetries with charge alone. The asymmetries are found to be consistent with global quantum-chromodynamics fits of deep-inelastic scattering and data at $\sqrt{s}=200$ GeV, which show a nonzero positive contribution of gluon spin to the proton spin. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.02681v2-abstract-full').style.display = 'none'; document.getElementById('2004.02681v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 April, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">360 authors, 8 pages, 6 figures, 1 table, 2013 data. v2 is version accepted for publication in Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 102, 032001 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1912.13424">arXiv:1912.13424</a> <span> [<a href="https://arxiv.org/pdf/1912.13424">pdf</a>, <a href="https://arxiv.org/format/1912.13424">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.101.052006">10.1103/PhysRevD.101.052006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> $J/蠄$ and $蠄(2S)$ production at forward rapidity in $p$+$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a> , et al. (335 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1912.13424v2-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section, mean transverse momentum, mean transverse momentum squared of inclusive $J/蠄$ and cross-section ratio of $蠄(2S)$ to $J/蠄$ at forward rapidity in \pp collisions at \sqrts = 510 GeV via the dimuon decay channel. Comparison is made to inclusive $J/蠄$ cross sections measured at \sqrts = 200 GeV an… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1912.13424v2-abstract-full').style.display = 'inline'; document.getElementById('1912.13424v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1912.13424v2-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section, mean transverse momentum, mean transverse momentum squared of inclusive $J/蠄$ and cross-section ratio of $蠄(2S)$ to $J/蠄$ at forward rapidity in \pp collisions at \sqrts = 510 GeV via the dimuon decay channel. Comparison is made to inclusive $J/蠄$ cross sections measured at \sqrts = 200 GeV and 2.76--13 TeV. The result is also compared to leading-order nonrelativistic QCD calculations coupled to a color-glass-condensate description of the low-$x$ gluons in the proton at low transverse momentum ($p_T$) and to next-to-leading order nonrelativistic QCD calculations for the rest of the $p_T$ range. These calculations overestimate the data at low $p_T$. While consistent with the data within uncertainties above $\approx3$ GeV/$c$, the calculations are systematically below the data. The total cross section times the branching ratio is BR $d蟽^{J/蠄}_{pp}/dy (1.2<|y|<2.2, 0<p_T<10~\mbox{GeV/$c$}) =$ 54.3 $\pm$ 0.5 (stat) $\pm$ 5.5 (syst) nb. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1912.13424v2-abstract-full').style.display = 'none'; document.getElementById('1912.13424v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 February, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 December, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">361 authors from 71 institutions, 13 pages, 4 tables, 11 figures, 2013 data. v2 is version accepted for publication in Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 101, 052006 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1910.14487">arXiv:1910.14487</a> <span> [<a href="https://arxiv.org/pdf/1910.14487">pdf</a>, <a href="https://arxiv.org/format/1910.14487">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.102.014902">10.1103/PhysRevC.102.014902 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of $J/蠄$ at forward and backward rapidity in $p$+$p$, $p$$+A$l, $p$$+A$u, and $^3$He+Au collisions at $\sqrt{s_{_{NN}}}=200~{\rm GeV}$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a> , et al. (337 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1910.14487v3-abstract-short" style="display: inline;"> Charmonium is a valuable probe in heavy-ion collisions to study the properties of the quark gluon plasma, and is also an interesting probe in small collision systems to study cold nuclear matter effects, which are also present in large collision systems. With the recent observations of collective behavior of produced particles in small system collisions, measurements of the modification of charmon… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1910.14487v3-abstract-full').style.display = 'inline'; document.getElementById('1910.14487v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1910.14487v3-abstract-full" style="display: none;"> Charmonium is a valuable probe in heavy-ion collisions to study the properties of the quark gluon plasma, and is also an interesting probe in small collision systems to study cold nuclear matter effects, which are also present in large collision systems. With the recent observations of collective behavior of produced particles in small system collisions, measurements of the modification of charmonium in small systems have become increasingly relevant. We present the results of $J/蠄$ measurements at forward and backward rapidity in various small collision systems, $p$$+$$p$, $p$$+$Al, $p$$+$Au and $^3$He$+$Au, at $\sqrt{s_{_{NN}}}$=200 GeV. The results are presented in the form of the observable $R_{AB}$, the nuclear modification factor, a measure of the ratio of the $J/蠄$ invariant yield compared to the scaled yield in $p$$+$$p$ collisions. We examine the rapidity, transverse momentum, and collision centrality dependence of nuclear effects on $J/蠄$ production with different projectile sizes $p$ and $^3$He, and different target sizes Al and Au. The modification is found to be strongly dependent on the target size, but to be very similar for $p$$+$Au and $^{3}$He$+$Au. However, for 0%--20% central collisions at backward rapidity, the modification for $^{3}$He$+$Au is found to be smaller than that for $p$$+$Au, with a mean fit to the ratio of $0.89\pm0.03$(stat)${\pm}0.08$(syst), possibly indicating final state effects due to the larger projectile size. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1910.14487v3-abstract-full').style.display = 'none'; document.getElementById('1910.14487v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 October, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">362 authors, 68 institutions, 23 pages, 28 figures, 3 tables, 2014 and 2015 data. v3 is version accepted for publication in Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 102, 014902 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1906.09928">arXiv:1906.09928</a> <span> [<a href="https://arxiv.org/pdf/1906.09928">pdf</a>, <a href="https://arxiv.org/format/1906.09928">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.101.034910">10.1103/PhysRevC.101.034910 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nuclear-modification factor of charged hadrons at forward and backward rapidity in $p$$+$Al and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a>, <a href="/search/nucl-ex?searchtype=author&query=Roman%2C+V+C">V. Canoa Roman</a>, <a href="/search/nucl-ex?searchtype=author&query=Cervantes%2C+R">R. Cervantes</a>, <a href="/search/nucl-ex?searchtype=author&query=Chi%2C+C+Y">C. Y. Chi</a> , et al. (278 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1906.09928v2-abstract-short" style="display: inline;"> The PHENIX experiment has studied nuclear effects in $p$$+$Al and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV on charged hadron production at forward rapidity ($1.4<畏<2.4$, $p$-going direction) and backward rapidity ($-2.2<畏<-1.2$, $A$-going direction). Such effects are quantified by measuring nuclear modification factors as a function of transverse momentum and pseudorapidity in various col… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1906.09928v2-abstract-full').style.display = 'inline'; document.getElementById('1906.09928v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1906.09928v2-abstract-full" style="display: none;"> The PHENIX experiment has studied nuclear effects in $p$$+$Al and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV on charged hadron production at forward rapidity ($1.4<畏<2.4$, $p$-going direction) and backward rapidity ($-2.2<畏<-1.2$, $A$-going direction). Such effects are quantified by measuring nuclear modification factors as a function of transverse momentum and pseudorapidity in various collision multiplicity selections. In central $p$$+$Al and $p$$+$Au collisions, a suppression (enhancement) is observed at forward (backward) rapidity compared to the binary scaled yields in $p$+$p$ collisions. The magnitude of enhancement at backward rapidity is larger in $p$$+$Au collisions than in $p$$+$Al collisions, which have a smaller number of participating nucleons. However, the results at forward rapidity show a similar suppression within uncertainties. The results in the integrated centrality are compared with calculations using nuclear parton distribution functions, which show a reasonable agreement at the forward rapidity but fail to describe the backward rapidity enhancement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1906.09928v2-abstract-full').style.display = 'none'; document.getElementById('1906.09928v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 February, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 June, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">303 authors, 66 institutions, 17 pages, 15 figures, 4 tables, 2015 data. v2 is version accepted for publication by Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 101, 034910 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1903.07422">arXiv:1903.07422</a> <span> [<a href="https://arxiv.org/pdf/1903.07422">pdf</a>, <a href="https://arxiv.org/format/1903.07422">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.123.122001">10.1103/PhysRevLett.123.122001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nuclear dependence of the transverse single-spin asymmetry in the production of charged hadrons at forward rapidity in polarized $p+p$, $p+$Al, and $p+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a>, <a href="/search/nucl-ex?searchtype=author&query=Roman%2C+V+C">V. Canoa Roman</a>, <a href="/search/nucl-ex?searchtype=author&query=Cervantes%2C+R">R. Cervantes</a>, <a href="/search/nucl-ex?searchtype=author&query=Chi%2C+C+Y">C. Y. Chi</a> , et al. (278 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1903.07422v2-abstract-short" style="display: inline;"> We report on the nuclear dependence of transverse single-spin asymmetries (TSSAs) in the production of positively-charged hadrons in polarized $p^{\uparrow}+p$, $p^{\uparrow}+$Al and $p^{\uparrow}+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The measurements have been performed at forward rapidity ($1.4<畏<2.4$) over the range of $1.8<p_{T}<7.0$ GeV$/c$ and $0.1<x_{F}<0.2$. We observed a positive… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1903.07422v2-abstract-full').style.display = 'inline'; document.getElementById('1903.07422v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1903.07422v2-abstract-full" style="display: none;"> We report on the nuclear dependence of transverse single-spin asymmetries (TSSAs) in the production of positively-charged hadrons in polarized $p^{\uparrow}+p$, $p^{\uparrow}+$Al and $p^{\uparrow}+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The measurements have been performed at forward rapidity ($1.4<畏<2.4$) over the range of $1.8<p_{T}<7.0$ GeV$/c$ and $0.1<x_{F}<0.2$. We observed a positive asymmetry $A_{N}$ for positively-charged hadrons in \polpp collisions, and a significantly reduced asymmetry in $p^{\uparrow}$+$A$ collisions. These results reveal a nuclear dependence of charged hadron $A_N$ in a regime where perturbative techniques are relevant. These results provide new opportunities to use \polpA collisions as a tool to investigate the rich phenomena behind TSSAs in hadronic collisions and to use TSSA as a new handle in studying small-system collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1903.07422v2-abstract-full').style.display = 'none'; document.getElementById('1903.07422v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 March, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">303 authors from 66 institutions, 9 pages, 2 figures, 1 table. v1 is version accepted for publication in Physical Review Letters. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 123, 122001 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1901.08405">arXiv:1901.08405</a> <span> [<a href="https://arxiv.org/pdf/1901.08405">pdf</a>, <a href="https://arxiv.org/format/1901.08405">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.99.092003">10.1103/PhysRevD.99.092003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of charm and bottom production from semileptonic hadron decays in $p$$+$$p$ collisions at $\sqrt{s_{NN}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a>, <a href="/search/nucl-ex?searchtype=author&query=Roman%2C+V+C">V. Canoa Roman</a>, <a href="/search/nucl-ex?searchtype=author&query=Cervantes%2C+R">R. Cervantes</a>, <a href="/search/nucl-ex?searchtype=author&query=Chi%2C+C+Y">C. Y. Chi</a> , et al. (277 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1901.08405v2-abstract-short" style="display: inline;"> Measurements of the differential production of electrons from open-heavy-flavor hadrons with charm- and bottom-quark content in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV are presented. The measurements proceed through displaced-vertex analyses of electron tracks from the semileptonic decay of charm and bottom hadrons using the PHENIX silicon-vertex detector. The relative contribution of electrons… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1901.08405v2-abstract-full').style.display = 'inline'; document.getElementById('1901.08405v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1901.08405v2-abstract-full" style="display: none;"> Measurements of the differential production of electrons from open-heavy-flavor hadrons with charm- and bottom-quark content in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV are presented. The measurements proceed through displaced-vertex analyses of electron tracks from the semileptonic decay of charm and bottom hadrons using the PHENIX silicon-vertex detector. The relative contribution of electrons from bottom decays to inclusive heavy-flavor-electron production is found to be consistent with fixed-order-plus-next-to-leading-log perturbative-QCD calculations within experimental and theoretical uncertainties. These new measurements in $p$$+$$p$ collisions provide a precision baseline for comparable forthcoming measurements in A$+$A collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1901.08405v2-abstract-full').style.display = 'none'; document.getElementById('1901.08405v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 April, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 January, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">302 authors from 66 institutions, 28 pages, 21 figures, 3 tables, 2015 data. v2 is version accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 99, 092003 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1809.09045">arXiv:1809.09045</a> <span> [<a href="https://arxiv.org/pdf/1809.09045">pdf</a>, <a href="https://arxiv.org/format/1809.09045">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.99.044912">10.1103/PhysRevC.99.044912 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nonperturbative transverse momentum broadening in dihadron angular correlations in $\sqrt{s_{NN}}=200$ GeV proton-nucleus collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a>, <a href="/search/nucl-ex?searchtype=author&query=Roman%2C+V+C">V. Canoa Roman</a>, <a href="/search/nucl-ex?searchtype=author&query=Cervantes%2C+R">R. Cervantes</a> , et al. (274 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1809.09045v2-abstract-short" style="display: inline;"> The PHENIX collaboration has measured high-$p_T$ dihadron correlations in $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The correlations arise from inter- and intra-jet correlations and thus have sensitivity to nonperturbative effects in both the initial and final states. The distributions of $p_{\rm out}$, the transverse momentum component of the associated hadron pe… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1809.09045v2-abstract-full').style.display = 'inline'; document.getElementById('1809.09045v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1809.09045v2-abstract-full" style="display: none;"> The PHENIX collaboration has measured high-$p_T$ dihadron correlations in $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The correlations arise from inter- and intra-jet correlations and thus have sensitivity to nonperturbative effects in both the initial and final states. The distributions of $p_{\rm out}$, the transverse momentum component of the associated hadron perpendicular to the trigger hadron, are sensitive to initial and final state transverse momenta. These distributions are measured multi-differentially as a function of $x_E$, the longitudinal momentum fraction of the associated hadron with respect to the trigger hadron. The near-side $p_{\rm out}$ widths, sensitive to fragmentation transverse momentum, show no significant broadening between $p$$+$Au, $p$$+$Al, and $p$$+$$p$. The away-side nonperturbative $p_{\rm out}$ widths are found to be broadened in $p$$+$Au when compared to $p$$+$$p$; however, there is no significant broadening in $p$$+$Al compared to $p$$+$$p$ collisions. The data also suggest that the away-side $p_{\rm out}$ broadening is a function of $N_{\rm coll}$, the number of binary nucleon-nucleon collisions, in the interaction. The potential implications of these results with regard to initial and final state transverse momentum broadening and energy loss of partons in a nucleus, among other nuclear effects, are discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1809.09045v2-abstract-full').style.display = 'none'; document.getElementById('1809.09045v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 April, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 September, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">299 authors from 64 institutions, 10 pages, 6 figures, 1 table. v2 is version accepted for publication in Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 99, 044912 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1807.11928">arXiv:1807.11928</a> <span> [<a href="https://arxiv.org/pdf/1807.11928">pdf</a>, <a href="https://arxiv.org/format/1807.11928">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.121.222301">10.1103/PhysRevLett.121.222301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Pseudorapidity dependence of particle production and elliptic flow in asymmetric nuclear collisions of $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a> , et al. (343 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1807.11928v2-abstract-short" style="display: inline;"> Asymmetric nuclear collisions of $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au at $\sqrt{s_{_{NN}}}=200$ GeV provide an excellent laboratory for understanding particle production, as well as exploring interactions among these particles after their initial creation in the collision. We present measurements of charged hadron production $dN_{\rm ch}/d畏$ in all such collision systems over a broad ps… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.11928v2-abstract-full').style.display = 'inline'; document.getElementById('1807.11928v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1807.11928v2-abstract-full" style="display: none;"> Asymmetric nuclear collisions of $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au at $\sqrt{s_{_{NN}}}=200$ GeV provide an excellent laboratory for understanding particle production, as well as exploring interactions among these particles after their initial creation in the collision. We present measurements of charged hadron production $dN_{\rm ch}/d畏$ in all such collision systems over a broad pseudorapidity range and as a function of collision multiplicity. A simple wounded quark model is remarkably successful at describing the full data set. We also measure the elliptic flow $v_{2}$ over a similarly broad pseudorapidity range. These measurements provide key constraints on models of particle emission and their translation into flow. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1807.11928v2-abstract-full').style.display = 'none'; document.getElementById('1807.11928v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 November, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">368 authors, 7 pages, 4 figures. v2 is the version accepted for publication by Physical Review Letters. Plain text data tables for points plotted in figures for this and other PHENIX publications are publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 121, 222301 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1805.02973">arXiv:1805.02973</a> <span> [<a href="https://arxiv.org/pdf/1805.02973">pdf</a>, <a href="https://arxiv.org/format/1805.02973">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1038/s41567-018-0360-0">10.1038/s41567-018-0360-0 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Creating small circular, elliptical, and triangular droplets of quark-gluon plasma </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a> , et al. (295 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1805.02973v2-abstract-short" style="display: inline;"> The experimental study of the collisions of heavy nuclei at relativistic energies has established the properties of the quark-gluon plasma (QGP), a state of hot, dense nuclear matter in which quarks and gluons are not bound into hadrons. In this state, matter behaves as a nearly inviscid fluid that efficiently translates initial spatial anisotropies into correlated momentum anisotropies among the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.02973v2-abstract-full').style.display = 'inline'; document.getElementById('1805.02973v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1805.02973v2-abstract-full" style="display: none;"> The experimental study of the collisions of heavy nuclei at relativistic energies has established the properties of the quark-gluon plasma (QGP), a state of hot, dense nuclear matter in which quarks and gluons are not bound into hadrons. In this state, matter behaves as a nearly inviscid fluid that efficiently translates initial spatial anisotropies into correlated momentum anisotropies among the produced particles, producing a common velocity field pattern known as collective flow. In recent years, comparable momentum anisotropies have been measured in small-system proton-proton ($p$$+$$p$) and proton-nucleus ($p$$+$$A$) collisions, despite expectations that the volume and lifetime of the medium produced would be too small to form a QGP. Here, we report on the observation of elliptic and triangular flow patterns of charged particles produced in proton-gold ($p$$+$Au), deuteron-gold ($d$$+$Au), and helium-gold ($^3$He$+$Au) collisions at a nucleon-nucleon center-of-mass energy $\sqrt{s_{_{NN}}}$~=~200 GeV. The unique combination of three distinct initial geometries and two flow patterns provides unprecedented model discrimination. Hydrodynamical models, which include the formation of a short-lived QGP droplet, provide a simultaneous description of these measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.02973v2-abstract-full').style.display = 'none'; document.getElementById('1805.02973v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 August, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 May, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 4 figures, updated text and figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nature Physics, Published: 10 December 2018 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1805.02450">arXiv:1805.02450</a> <span> [<a href="https://arxiv.org/pdf/1805.02450">pdf</a>, <a href="https://arxiv.org/format/1805.02450">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.98.072004">10.1103/PhysRevD.98.072004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nonperturbative transverse-momentum-dependent effects in dihadron and direct photon-hadron angular correlations in $p+p$ collisions at $\sqrt{s}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a>, <a href="/search/nucl-ex?searchtype=author&query=Roman%2C+V+C">V. Canoa Roman</a> , et al. (270 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1805.02450v2-abstract-short" style="display: inline;"> Dihadron and isolated direct photon-hadron angular correlations are measured in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV. The correlations are sensitive to nonperturbative initial-state and final-state transverse momentum $k_T$ and $j_T$ in the azimuthal nearly back-to-back region $螖蠁\sim蟺$. In this region, transverse-momentum-dependent evolution can be studied when several different hard scales… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.02450v2-abstract-full').style.display = 'inline'; document.getElementById('1805.02450v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1805.02450v2-abstract-full" style="display: none;"> Dihadron and isolated direct photon-hadron angular correlations are measured in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV. The correlations are sensitive to nonperturbative initial-state and final-state transverse momentum $k_T$ and $j_T$ in the azimuthal nearly back-to-back region $螖蠁\sim蟺$. In this region, transverse-momentum-dependent evolution can be studied when several different hard scales are measured. To have sensitivity to small transverse momentum scales, nonperturbative momentum widths of $p_{\rm out}$, the out-of-plane transverse momentum component perpendicular to the trigger particle, are measured. These widths are used to investigate possible effects from transverse-momentum-dependent factorization breaking. When accounting for the longitudinal momentum fraction of the away-side hadron with respect to the near-side trigger particle, the widths are found to increase with the hard scale; this is qualitatively similar to the observed behavior in Drell-Yan and semi-inclusive deep-inelastic scattering interactions. The momentum widths are also studied as a function of center-of-mass energy by comparing to previous measurements at $\sqrt{s}=510$ GeV. The nonperturbative jet widths also appear to increase with $\sqrt{s}$ at a similar $x_T$, which is qualitatively consistent to similar measurements in Drell-Yan interactions. To quantify the magnitude of any transverse-momentum-dependent factorization breaking effects, calculations will need to be performed to compare to these measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.02450v2-abstract-full').style.display = 'none'; document.getElementById('1805.02450v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 May, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">295 authors from 64 institutions, 13 pages, 11 figures, 2 tables. v2 is version accepted for publication in Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 98, 072004 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1805.01491">arXiv:1805.01491</a> <span> [<a href="https://arxiv.org/pdf/1805.01491">pdf</a>, <a href="https://arxiv.org/format/1805.01491">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.98.012006">10.1103/PhysRevD.98.012006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Single-spin asymmetry of $J/蠄$ production in $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions with transversely polarized proton beams at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a>, <a href="/search/nucl-ex?searchtype=author&query=Roman%2C+V+C">V. Canoa Roman</a> , et al. (268 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1805.01491v2-abstract-short" style="display: inline;"> We report the transverse single-spin asymmetries of $J/蠄$ production at forward and backward rapidity, $1.2<|y|<2.2$, as a function of $J/蠄$ transverse momentum ($p_T$) and Feynman-$x$ ($x_F$). The data analyzed were recorded by the PHENIX experiment at the Relativistic Heavy Ion Collider in 2015 from $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions with transversely polarized proton beams at… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.01491v2-abstract-full').style.display = 'inline'; document.getElementById('1805.01491v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1805.01491v2-abstract-full" style="display: none;"> We report the transverse single-spin asymmetries of $J/蠄$ production at forward and backward rapidity, $1.2<|y|<2.2$, as a function of $J/蠄$ transverse momentum ($p_T$) and Feynman-$x$ ($x_F$). The data analyzed were recorded by the PHENIX experiment at the Relativistic Heavy Ion Collider in 2015 from $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions with transversely polarized proton beams at $\sqrt{s_{_{NN}}}=200$ GeV. At this collision energy, single-spin asymmetries for heavy-flavor particle production of $p$$+$$p$ collisions provide access to the spin-dependent gluon distribution and higher-twist correlation functions inside the nucleon, such as the gluon Qiu-Sterman and trigluon correlation functions. Proton+nucleus collisions offer an excellent opportunity to study nuclear effects on the correlation functions. The data indicate negative asymmetries at the two-standard-deviation level in the $p$$+$Au data for $p_T<2$ GeV/$c$ at both forward and backward rapidity, while in $p$$+$$p$ and $p$$+$Al collisions the asymmetries are consistent with zero within the range of experimental uncertainties. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.01491v2-abstract-full').style.display = 'none'; document.getElementById('1805.01491v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 May, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">294 authors from 64 institutions, 11 pages, 5 figures, and 4 tables. v2 is version accepted for publication in Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 98, 012006 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1804.10024">arXiv:1804.10024</a> <span> [<a href="https://arxiv.org/pdf/1804.10024">pdf</a>, <a href="https://arxiv.org/format/1804.10024">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.99.024903">10.1103/PhysRevC.99.024903 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Boyle%2C+K">K. Boyle</a> , et al. (298 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1804.10024v2-abstract-short" style="display: inline;"> We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity $1<|畏|<3$ in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, as a function of centrality. The multiparticle cumulant technique is used to obtain the elliptic flow coefficients $v_2\{2\}$, $v_2\{4\}$, $v_2\{6\}$, and $v_2\{8\}$, and triangular flow coefficients $v_3\{2\}$ and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.10024v2-abstract-full').style.display = 'inline'; document.getElementById('1804.10024v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1804.10024v2-abstract-full" style="display: none;"> We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity $1<|畏|<3$ in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, as a function of centrality. The multiparticle cumulant technique is used to obtain the elliptic flow coefficients $v_2\{2\}$, $v_2\{4\}$, $v_2\{6\}$, and $v_2\{8\}$, and triangular flow coefficients $v_3\{2\}$ and $v_3\{4\}$. Using the small-variance limit, we estimate the mean and variance of the event-by-event $v_2$ distribution from $v_2\{2\}$ and $v_2\{4\}$. In a complementary analysis, we also use a folding procedure to study the distributions of $v_2$ and $v_3$ directly, extracting both the mean and variance. Implications for initial geometrical fluctuations and their translation into the final state momentum distributions are discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.10024v2-abstract-full').style.display = 'none'; document.getElementById('1804.10024v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">323 authors from 67 institutions, 17 pages, 16 figures, 2 tables. v2 is version accepted for publication by Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 99, 024903 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1710.09736">arXiv:1710.09736</a> <span> [<a href="https://arxiv.org/pdf/1710.09736">pdf</a>, <a href="https://arxiv.org/format/1710.09736">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.97.064904">10.1103/PhysRevC.97.064904 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of mass-dependent azimuthal anisotropy in central $p$$+$Au, $d$$+$Au, and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a> , et al. (328 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1710.09736v2-abstract-short" style="display: inline;"> We present measurements of the transverse-momentum dependence of elliptic flow $v_2$ for identified pions and (anti)protons at midrapidity ($|畏|<0.35$), in 0%--5% central $p$$+$Au and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. When taken together with previously published measurements in $d$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, the results cover a broad range of small-collisio… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.09736v2-abstract-full').style.display = 'inline'; document.getElementById('1710.09736v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1710.09736v2-abstract-full" style="display: none;"> We present measurements of the transverse-momentum dependence of elliptic flow $v_2$ for identified pions and (anti)protons at midrapidity ($|畏|<0.35$), in 0%--5% central $p$$+$Au and $^3$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. When taken together with previously published measurements in $d$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, the results cover a broad range of small-collision-system multiplicities and intrinsic initial geometries. We observe a clear mass-dependent splitting of $v_2(p_{T})$ in $d$$+$Au and $^3$He$+$Au collisions, just as in large nucleus-nucleus ($A$$+$$A$) collisions, and a smaller splitting in $p$$+$Au collisions. Both hydrodynamic and transport model calculations successfully describe the data at low $p_T$ ($< 1.5$ GeV/$c$), but fail to describe various features at higher $p_T$. In all systems, the $v_2$ values follow an approximate quark-number scaling as a function of the hadron transverse kinetic energy per constituent quark($KE_T/n_q$), which was also seen previously in $A$$+$$A$ collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1710.09736v2-abstract-full').style.display = 'none'; document.getElementById('1710.09736v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 June, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 October, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">353 authors, 12 pages, 7 figures, 3 tables. v2 is version accepted for publication in Phys. Rev. C. Data tables are included in the Appendix. Plain text data tables for points plotted in figures for other PHENIX publications are publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 97, 064904 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1707.06108">arXiv:1707.06108</a> <span> [<a href="https://arxiv.org/pdf/1707.06108">pdf</a>, <a href="https://arxiv.org/format/1707.06108">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.120.062302">10.1103/PhysRevLett.120.062302 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of multiparticle correlations in $d$$+$Au collisions at 200, 62.4, 39, and 19.6 GeV and $p$$+$Au collisions at 200 GeV and implications for collective behavior </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a> , et al. (292 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1707.06108v2-abstract-short" style="display: inline;"> Recently, multiparticle-correlation measurements of relativistic $p/d/^3$He$+$Au, $p$$+$Pb, and even $p$$+$$p$ collisions have shown surprising collective signatures. Here we present beam-energy-scan measurements of 2-, 4-, and 6-particle angular correlations in $d$$+$Au collisions at $\sqrt{s_{_{NN}}}$=200, 62.4, 39, and 19.6 GeV. We also present measurements of 2- and 4-particle angular correlat… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.06108v2-abstract-full').style.display = 'inline'; document.getElementById('1707.06108v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1707.06108v2-abstract-full" style="display: none;"> Recently, multiparticle-correlation measurements of relativistic $p/d/^3$He$+$Au, $p$$+$Pb, and even $p$$+$$p$ collisions have shown surprising collective signatures. Here we present beam-energy-scan measurements of 2-, 4-, and 6-particle angular correlations in $d$$+$Au collisions at $\sqrt{s_{_{NN}}}$=200, 62.4, 39, and 19.6 GeV. We also present measurements of 2- and 4-particle angular correlations in $p$$+$Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV. We find the 4-particle cumulant to be real-valued for $d$$+$Au collisions at all four energies. We also find that the 4-particle cumulant in $p$$+$Au has the opposite sign as that in $d$$+$Au, indicating that the correlations are geometrical and therefore collective in origin. Further we find that the 6-particle cumulant agrees with the 4-particle cumulant in $d$$+$Au collisions at 200 GeV, which indicates that nonflow effects are subdominant and provides strong evidence of collectivity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1707.06108v2-abstract-full').style.display = 'none'; document.getElementById('1707.06108v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 January, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 July, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">317 authors, 6 pages, 4 figures. v2 is version accepted for publication by Phys. Rev. Lett. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 120, 062302 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.10941">arXiv:1703.10941</a> <span> [<a href="https://arxiv.org/pdf/1703.10941">pdf</a>, <a href="https://arxiv.org/ps/1703.10941">ps</a>, <a href="https://arxiv.org/format/1703.10941">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.120.022001">10.1103/PhysRevLett.120.022001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nuclear dependence of the transverse-single-spin asymmetry for forward neutron production in polarized $p$$+$$A$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a> , et al. (290 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1703.10941v2-abstract-short" style="display: inline;"> During 2015 the Relativistic Heavy Ion Collider (RHIC) provided collisions of transversely polarized protons with Au and Al nuclei for the first time, enabling the exploration of transverse-single-spin asymmetries with heavy nuclei. Large single-spin asymmetries in very forward neutron production have been previously observed in transversely polarized $p$$+$$p$ collisions at RHIC, and the existing… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.10941v2-abstract-full').style.display = 'inline'; document.getElementById('1703.10941v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.10941v2-abstract-full" style="display: none;"> During 2015 the Relativistic Heavy Ion Collider (RHIC) provided collisions of transversely polarized protons with Au and Al nuclei for the first time, enabling the exploration of transverse-single-spin asymmetries with heavy nuclei. Large single-spin asymmetries in very forward neutron production have been previously observed in transversely polarized $p$$+$$p$ collisions at RHIC, and the existing theoretical framework that was successful in describing the single-spin asymmetry in $p$$+$$p$ collisions predicts only a moderate atomic-mass-number ($A$) dependence. In contrast, the asymmetries observed at RHIC in $p$$+$$A$ collisions showed a surprisingly strong $A$ dependence in inclusive forward neutron production. The observed asymmetry in $p$$+$Al collisions is much smaller, while the asymmetry in $p$$+$Au collisions is a factor of three larger in absolute value and of opposite sign. The interplay of different neutron production mechanisms is discussed as a possible explanation of the observed $A$ dependence. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.10941v2-abstract-full').style.display = 'none'; document.getElementById('1703.10941v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 November, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">315 authors, 8 pages, 4 figures, 1 table. v2 is version accepted for publication in Phys. Rev. Lett. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 120, 022001 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.09333">arXiv:1703.09333</a> <span> [<a href="https://arxiv.org/pdf/1703.09333">pdf</a>, <a href="https://arxiv.org/format/1703.09333">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.112001">10.1103/PhysRevD.95.112001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross section and transverse single-spin asymmetry of muons from open heavy-flavor decays in polarized $p$+$p$ collisions at $\sqrt{s}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a> , et al. (412 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1703.09333v2-abstract-short" style="display: inline;"> The cross section and transverse single-spin asymmetries of $渭^{-}$ and $渭^{+}$ from open heavy-flavor decays in polarized $p$+$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX experiment during 2012 at the Relativistic Heavy Ion Collider. Because heavy-flavor production is dominated by gluon-gluon interactions at $\sqrt{s}=200$ GeV, these measurements offer a unique opportunity to… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.09333v2-abstract-full').style.display = 'inline'; document.getElementById('1703.09333v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.09333v2-abstract-full" style="display: none;"> The cross section and transverse single-spin asymmetries of $渭^{-}$ and $渭^{+}$ from open heavy-flavor decays in polarized $p$+$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX experiment during 2012 at the Relativistic Heavy Ion Collider. Because heavy-flavor production is dominated by gluon-gluon interactions at $\sqrt{s}=200$ GeV, these measurements offer a unique opportunity to obtain information on the trigluon correlation functions. The measurements are performed at forward and backward rapidity ($1.4<|y|<2.0$) over the transverse momentum range of $1.25<p_T<7$ GeV/$c$ for the cross section and $1.25<p_T<5$ GeV/$c$ for the asymmetry measurements. The obtained cross section is compared to a fixed-order-plus-next-to-leading-log perturbative-quantum-chromodynamics calculation. The asymmetry results are consistent with zero within uncertainties, and a model calculation based on twist-3 three-gluon correlations agrees with the data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.09333v2-abstract-full').style.display = 'none'; document.getElementById('1703.09333v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">437 authors, 15 pages, 9 figures, 7 tables, 2015 data. v2 is version accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 112001 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1702.01085">arXiv:1702.01085</a> <span> [<a href="https://arxiv.org/pdf/1702.01085">pdf</a>, <a href="https://arxiv.org/ps/1702.01085">ps</a>, <a href="https://arxiv.org/format/1702.01085">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.96.064901">10.1103/PhysRevC.96.064901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> B-meson production at forward and backward rapidity in $p$+$p$ and Cu+Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a> , et al. (436 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1702.01085v2-abstract-short" style="display: inline;"> The fraction of $J/蠄$ mesons which come from B-meson decay, $\textrm{F}_{B{\rightarrow}J/蠄}$, is measured for J/$蠄$ rapidity \mbox{$1.2<|y|<2.2$} and $p_T>0$ in $p$+$p$ and Cu+Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV with the PHENIX detector. The extracted fraction is $\textrm{F}_{B{\rightarrow}J/蠄}$ = 0.025 $\pm$ 0.006(stat) $\pm$ 0.010(syst) for $p$+$p$ collisions. For Cu+Au collisions,… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1702.01085v2-abstract-full').style.display = 'inline'; document.getElementById('1702.01085v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1702.01085v2-abstract-full" style="display: none;"> The fraction of $J/蠄$ mesons which come from B-meson decay, $\textrm{F}_{B{\rightarrow}J/蠄}$, is measured for J/$蠄$ rapidity \mbox{$1.2<|y|<2.2$} and $p_T>0$ in $p$+$p$ and Cu+Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV with the PHENIX detector. The extracted fraction is $\textrm{F}_{B{\rightarrow}J/蠄}$ = 0.025 $\pm$ 0.006(stat) $\pm$ 0.010(syst) for $p$+$p$ collisions. For Cu+Au collisions, $\textrm{F}_{B{\rightarrow}J/蠄}$ is 0.094 $\pm$ 0.028(stat) $\pm$ 0.037(syst) in the Au-going direction ($-2.2<y<-1.2$) and 0.089 $\pm$ 0.026(stat) $\pm$ 0.040(syst) in the Cu-going direction ($1.2<y<2.2$). The nuclear modification factor, $R_{\rm CuAu}$, of B mesons in Cu+Au collisions is consistent with binary scaling of measured yields in $p$+$p$ at both forward and backward rapidity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1702.01085v2-abstract-full').style.display = 'none'; document.getElementById('1702.01085v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 November, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 February, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">461 authors, 19 pages, 15 figures, 5 tables, 2012,15 data. v2 is version accepted for publication by Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 96, 064901 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1701.01342">arXiv:1701.01342</a> <span> [<a href="https://arxiv.org/pdf/1701.01342">pdf</a>, <a href="https://arxiv.org/ps/1701.01342">ps</a>, <a href="https://arxiv.org/format/1701.01342">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.092002">10.1103/PhysRevD.95.092002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of $B \rightarrow J/蠄$ at forward rapidity in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Attila%2C+A">A. Attila</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a> , et al. (406 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1701.01342v2-abstract-short" style="display: inline;"> We report the first measurement of the fraction of $J/蠄$ mesons coming from $B$-meson decay ($F_{B{\rightarrow}J/蠄}$) in $p$+$p$ collisions at $\sqrt{s}=$ 510 GeV. The measurement is performed using the forward silicon vertex detector and central vertex detector at PHENIX, which provide precise tracking and distance-of-closest-approach determinations, enabling the statistical separation of $J/蠄$ d… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1701.01342v2-abstract-full').style.display = 'inline'; document.getElementById('1701.01342v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1701.01342v2-abstract-full" style="display: none;"> We report the first measurement of the fraction of $J/蠄$ mesons coming from $B$-meson decay ($F_{B{\rightarrow}J/蠄}$) in $p$+$p$ collisions at $\sqrt{s}=$ 510 GeV. The measurement is performed using the forward silicon vertex detector and central vertex detector at PHENIX, which provide precise tracking and distance-of-closest-approach determinations, enabling the statistical separation of $J/蠄$ due to $B$-meson decays from prompt $J/蠄$. The measured value of $F_{B{\rightarrow}J/蠄}$ is 8.1\%$\pm$2.3\% (stat)$\pm$1.9\% (syst) for $J/蠄$ with transverse momenta $0<p_T<5$ GeV/$c$ and rapidity $1.2<|y|<2.2$. The measured fraction $F_{B{\rightarrow}J/蠄}$ at PHENIX is compared to values measured by other experiments at higher center of mass energies and to fixed-order-next-to-leading-logarithm and color-evaporation-model predictions. The $b\bar{b}$ cross section per unit rapidity ($d蟽/dy(pp{\rightarrow}b\bar{b})$) extracted from the obtained $F_{B{\rightarrow}J/蠄}$ and the PHENIX inclusive $J/蠄$ cross section measured at 200 GeV scaled with color-evaporation-model calculations, at the mean $B$ hadron rapidity $y={\pm}1.7$ in 510 GeV $p$$+$$p$ collisions, is $3.63^{+1.92}_{-1.70}渭$b, and it is consistent with the fixed-order-next-to-leading-logarithm calculations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1701.01342v2-abstract-full').style.display = 'none'; document.getElementById('1701.01342v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 January, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">431 authors, 17 pages, 11 figures, 4 tables, 2012 data. v2 is version accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 092002 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1612.06807">arXiv:1612.06807</a> <span> [<a href="https://arxiv.org/pdf/1612.06807">pdf</a>, <a href="https://arxiv.org/format/1612.06807">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.092003">10.1103/PhysRevD.95.092003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Angular decay coefficients of $J/蠄$ mesons at forward rapidity from $p+p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a> , et al. (365 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1612.06807v2-abstract-short" style="display: inline;"> We report the first measurement of the full angular distribution for inclusive $J/蠄\rightarrow渭^{+}渭^{-}$ decays in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. The measurements are made for $J/蠄$ transverse momentum $2<p_{T}<10$ GeV/$c$ and rapidity $1.2<y<2.2$ in the Helicity, Collins-Soper, and Gottfried-Jackson reference frames. In all frames the polar coefficient $位_胃$ is strongly negative at… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.06807v2-abstract-full').style.display = 'inline'; document.getElementById('1612.06807v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1612.06807v2-abstract-full" style="display: none;"> We report the first measurement of the full angular distribution for inclusive $J/蠄\rightarrow渭^{+}渭^{-}$ decays in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. The measurements are made for $J/蠄$ transverse momentum $2<p_{T}<10$ GeV/$c$ and rapidity $1.2<y<2.2$ in the Helicity, Collins-Soper, and Gottfried-Jackson reference frames. In all frames the polar coefficient $位_胃$ is strongly negative at low $p_{T}$ and becomes close to zero at high $p_{T}$, while the azimuthal coefficient $位_蠁$ is close to zero at low $p_{T}$, and becomes slightly negative at higher $p_{T}$. The frame-independent coefficient $\tilde位$ is strongly negative at all $p_{T}$ in all frames. The data are compared to the theoretical predictions provided by nonrelativistic quantum chromodynamics models. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1612.06807v2-abstract-full').style.display = 'none'; document.getElementById('1612.06807v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">390 authors, 11 pages, 9 figures, 3 tables, 2013 data. v2 is version accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 092003 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1609.06550">arXiv:1609.06550</a> <span> [<a href="https://arxiv.org/pdf/1609.06550">pdf</a>, <a href="https://arxiv.org/ps/1609.06550">ps</a>, <a href="https://arxiv.org/format/1609.06550">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.95.034904">10.1103/PhysRevC.95.034904 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the relative yields of $蠄(2S)$ to $蠄(1S)$ mesons produced at forward and backward rapidity in $p$$+$$p$, $p$$+$Al, $p$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Boer%2C+M">M. Boer</a> , et al. (336 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1609.06550v2-abstract-short" style="display: inline;"> The PHENIX Collaboration has measured the ratio of the yields of $蠄(2S)$ to $蠄(1S)$ mesons produced in $p$$+$$p$, $p$$+$Al, $p$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV over the forward and backward rapidity intervals $1.2<|y|<2.2$. We find that the ratio in $p$$+$$p$ collisions is consistent with measurements at other collision energies. In collisions with nuclei, we find… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.06550v2-abstract-full').style.display = 'inline'; document.getElementById('1609.06550v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1609.06550v2-abstract-full" style="display: none;"> The PHENIX Collaboration has measured the ratio of the yields of $蠄(2S)$ to $蠄(1S)$ mesons produced in $p$$+$$p$, $p$$+$Al, $p$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV over the forward and backward rapidity intervals $1.2<|y|<2.2$. We find that the ratio in $p$$+$$p$ collisions is consistent with measurements at other collision energies. In collisions with nuclei, we find that in the forward ($p$-going or $^{3}$He-going) direction, the relative yield of $蠄(2S)$ mesons to $蠄(1S)$ mesons is consistent with the value measured in \pp collisions. However, in the backward (nucleus-going) direction, the $蠄(2S)$ is preferentially suppressed by a factor of $\sim$2. This suppression is attributed in some models to breakup of the weakly-bound $蠄(2S)$ through final state interactions with comoving particles, which have a higher density in the nucleus-going direction. These breakup effects may compete with color screening in a deconfined quark-gluon plasma to produce sequential suppression of excited quarkonia states. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.06550v2-abstract-full').style.display = 'none'; document.getElementById('1609.06550v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 January, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">364 authors, 10 pages, 5 figures, 2 tables, 2014,15 data. v2 is version accepted by Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 95, 034904 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1609.04769">arXiv:1609.04769</a> <span> [<a href="https://arxiv.org/pdf/1609.04769">pdf</a>, <a href="https://arxiv.org/format/1609.04769">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.072002">10.1103/PhysRevD.95.072002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in $p$$+$$p$ collisions at $\sqrt{s}$=510 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a> , et al. (442 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1609.04769v2-abstract-short" style="display: inline;"> Dihadron and isolated direct photon-hadron angular correlations are measured in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. Correlations of charged hadrons of $0.7<p_T<10$ GeV/$c$ with $蟺^0$ mesons of $4<p_T<15$ GeV/$c$ or isolated direct photons of $7<p_T<15$ GeV/$c$ are used to study nonperturbative effects generated by initial-state partonic transverse momentum and final-state transverse moment… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.04769v2-abstract-full').style.display = 'inline'; document.getElementById('1609.04769v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1609.04769v2-abstract-full" style="display: none;"> Dihadron and isolated direct photon-hadron angular correlations are measured in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. Correlations of charged hadrons of $0.7<p_T<10$ GeV/$c$ with $蟺^0$ mesons of $4<p_T<15$ GeV/$c$ or isolated direct photons of $7<p_T<15$ GeV/$c$ are used to study nonperturbative effects generated by initial-state partonic transverse momentum and final-state transverse momentum from fragmentation. The nonperturbative behavior is characterized by measuring the out-of-plane transverse momentum component $p_{\rm out}$ perpendicular to the axis of the trigger particle, which is the high-$p_T$ direct photon or $蟺^0$. Nonperturbative evolution effects are extracted from Gaussian fits to the away-side inclusive-charged-hadron yields for different trigger-particle transverse momenta ($p_T^{\rm trig}$). The Gaussian widths and root mean square of $p_{\rm out}$ are reported as a function of the interaction hard scale $p_T^{\rm trig}$ to investigate possible transverse-momentum-dependent evolution differences between the $蟺^0$-h$^\pm$ and direct photon-h$^\pm$ correlations and factorization breaking effects. The widths are found to decrease with $p_T^{\rm trig}$, which indicates that the Collins-Soper-Sterman soft factor is not driving the evolution with the hard scale in nearly back-to-back dihadron and direct photon-hadron production in $p$$+$$p$ collisions. This behavior is in contrast to Drell-Yan and semi-inclusive deep-inelastic scattering measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.04769v2-abstract-full').style.display = 'none'; document.getElementById('1609.04769v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 February, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">467 authors, 20 pages, 15 figures, 1 table. Accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 072002 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1609.02894">arXiv:1609.02894</a> <span> [<a href="https://arxiv.org/pdf/1609.02894">pdf</a>, <a href="https://arxiv.org/format/1609.02894">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.95.034910">10.1103/PhysRevC.95.034910 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of long-range angular correlations and azimuthal anisotropies in high-multiplicity $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Blau%2C+D+S">D. S. Blau</a>, <a href="/search/nucl-ex?searchtype=author&query=Bok%2C+J+S">J. S. Bok</a>, <a href="/search/nucl-ex?searchtype=author&query=Brooks%2C+M+L">M. L. Brooks</a>, <a href="/search/nucl-ex?searchtype=author&query=Bryslawskyj%2C+J">J. Bryslawskyj</a>, <a href="/search/nucl-ex?searchtype=author&query=Bumazhnov%2C+V">V. Bumazhnov</a>, <a href="/search/nucl-ex?searchtype=author&query=Campbell%2C+S">S. Campbell</a>, <a href="/search/nucl-ex?searchtype=author&query=Cervantes%2C+R">R. Cervantes</a>, <a href="/search/nucl-ex?searchtype=author&query=Chi%2C+C+Y">C. Y. Chi</a>, <a href="/search/nucl-ex?searchtype=author&query=Chiu%2C+M">M. Chiu</a> , et al. (248 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1609.02894v2-abstract-short" style="display: inline;"> We present the first measurements of long-range angular correlations and the transverse momentum dependence of elliptic flow $v_2$ in high-multiplicity $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. A comparison of these results with previous measurements in high-multiplicity $d$$+$Au and $^3{\rm He}$$+$Au collisions demonstrates a relation between $v_2$ and the initial collision eccentricity… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.02894v2-abstract-full').style.display = 'inline'; document.getElementById('1609.02894v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1609.02894v2-abstract-full" style="display: none;"> We present the first measurements of long-range angular correlations and the transverse momentum dependence of elliptic flow $v_2$ in high-multiplicity $p$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. A comparison of these results with previous measurements in high-multiplicity $d$$+$Au and $^3{\rm He}$$+$Au collisions demonstrates a relation between $v_2$ and the initial collision eccentricity $\varepsilon_2$, suggesting that the observed momentum-space azimuthal anisotropies in these small systems have a collective origin and reflect the initial geometry. Good agreement is observed between the measured $v_2$ and hydrodynamic calculations for all systems, and an argument disfavoring theoretical explanations based on momentum-space domain correlations is presented. The set of measurements presented here allows us to leverage the distinct intrinsic geometry of each of these systems to distinguish between different theoretical descriptions of the long-range correlations observed in small collision systems. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.02894v2-abstract-full').style.display = 'none'; document.getElementById('1609.02894v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">309 authors, 11 pages, 6 figures, 3 tables, 2015 data. Accepted for publication by Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 95, 034910 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1606.01815">arXiv:1606.01815</a> <span> [<a href="https://arxiv.org/pdf/1606.01815">pdf</a>, <a href="https://arxiv.org/format/1606.01815">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.94.112008">10.1103/PhysRevD.94.112008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of double-helicity asymmetries in inclusive $J/蠄$ production in longitudinally polarized $p+p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/nucl-ex?searchtype=author&query=Beckman%2C+S">S. Beckman</a>, <a href="/search/nucl-ex?searchtype=author&query=Belmont%2C+R">R. Belmont</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+A">A. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Berdnikov%2C+Y">Y. Berdnikov</a>, <a href="/search/nucl-ex?searchtype=author&query=Black%2C+D">D. Black</a> , et al. (310 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1606.01815v2-abstract-short" style="display: inline;"> We report the double helicity asymmetry, $A_{LL}^{J/蠄}$, in inclusive $J/蠄$ production at forward rapidity as a function of transverse momentum $p_T$ and rapidity $|y|$. The data analyzed were taken during $\sqrt{s}=510$ GeV longitudinally polarized $p$$+$$p$ collisions at the Relativistic Heavy Ion Collider (RHIC) in the 2013 run using the PHENIX detector. At this collision energy, $J/蠄$ particle… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.01815v2-abstract-full').style.display = 'inline'; document.getElementById('1606.01815v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1606.01815v2-abstract-full" style="display: none;"> We report the double helicity asymmetry, $A_{LL}^{J/蠄}$, in inclusive $J/蠄$ production at forward rapidity as a function of transverse momentum $p_T$ and rapidity $|y|$. The data analyzed were taken during $\sqrt{s}=510$ GeV longitudinally polarized $p$$+$$p$ collisions at the Relativistic Heavy Ion Collider (RHIC) in the 2013 run using the PHENIX detector. At this collision energy, $J/蠄$ particles are predominantly produced through gluon-gluon scatterings, thus $A_{LL}^{J/蠄}$ is sensitive to the gluon polarization inside the proton. We measured $A_{LL}^{J/蠄}$ by detecting the decay daughter muon pairs $渭^+ 渭^-$ within the PHENIX muon spectrometers in the rapidity range $1.2<|y|<2.2$. In this kinematic range, we measured the $A_{LL}^{J/蠄}$ to be $0.012 \pm 0.010$~(stat)~$\pm$~$0.003$(syst). The $A_{LL}^{J/蠄}$ can be expressed to be proportional to the product of the gluon polarization distributions at two distinct ranges of Bjorken $x$: one at moderate range $x \approx 0.05$ where recent RHIC data of jet and $蟺^0$ double helicity spin asymmetries have shown evidence for significant gluon polarization, and the other one covering the poorly known small-$x$ region $x \approx 2\times 10^{-3}$. Thus our new results could be used to further constrain the gluon polarization for $x< 0.05$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.01815v2-abstract-full').style.display = 'none'; document.getElementById('1606.01815v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 January, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">335 authors, 10 pages, 4 figures, 3 tables, 2013 data. Version accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 94, 112008 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.02317">arXiv:1510.02317</a> <span> [<a href="https://arxiv.org/pdf/1510.02317">pdf</a>, <a href="https://arxiv.org/ps/1510.02317">ps</a>, <a href="https://arxiv.org/format/1510.02317">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.93.011501">10.1103/PhysRevD.93.011501 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Inclusive cross section and double-helicity asymmetry for $蟺^{0}$ production at midrapidity in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a> , et al. (388 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1510.02317v2-abstract-short" style="display: inline;"> PHENIX measurements are presented for the cross section and double-helicity asymmetry ($A_{LL}$) in inclusive $蟺^0$ production at midrapidity from $p$$+$$p$ collisions at $\sqrt{s}=510$~GeV from data taken in 2012 and 2013 at the Relativistic Heavy Ion Collider. The next-to-leading-order perturbative-quantum-chromodynamics theory calculation is in excellent agreement with the presented cross secti… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.02317v2-abstract-full').style.display = 'inline'; document.getElementById('1510.02317v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.02317v2-abstract-full" style="display: none;"> PHENIX measurements are presented for the cross section and double-helicity asymmetry ($A_{LL}$) in inclusive $蟺^0$ production at midrapidity from $p$$+$$p$ collisions at $\sqrt{s}=510$~GeV from data taken in 2012 and 2013 at the Relativistic Heavy Ion Collider. The next-to-leading-order perturbative-quantum-chromodynamics theory calculation is in excellent agreement with the presented cross section results. The calculation utilized parton-to-pion fragmentation functions from the recent DSS14 global analysis, which prefer a smaller gluon-to-pion fragmentation function. The $蟺^{0}A_{LL}$ results follow an increasingly positive asymmetry trend with $p_T$ and $\sqrt{s}$ with respect to the predictions and are in excellent agreement with the latest global analysis results. This analysis incorporated earlier results on $蟺^0$ and jet $A_{LL}$, and suggested a positive contribution of gluon polarization to the spin of the proton $螖G$ for the gluon momentum fraction range $x>0.05$. The data presented here extend to a currently unexplored region, down to $x\sim0.01$, and thus provide additional constraints on the value of $螖G$. The results confirm the evidence for nonzero $螖G$ using a different production channel in a complementary kinematic region. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.02317v2-abstract-full').style.display = 'none'; document.getElementById('1510.02317v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">413 authors, 8 pages, 4 figures. v2 is version accepted as PRD Rapid Communication. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 011501 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.07784">arXiv:1509.07784</a> <span> [<a href="https://arxiv.org/pdf/1509.07784">pdf</a>, <a href="https://arxiv.org/format/1509.07784">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.94.054910">10.1103/PhysRevC.94.054910 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of directed, elliptic, and triangular flow in Cu$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a> , et al. (379 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.07784v2-abstract-short" style="display: inline;"> Measurements of anisotropic flow Fourier coefficients ($v_n$) for inclusive charged particles and identified hadrons $蟺^{\pm}$, $K^{\pm}$, $p$, and $\bar{p}$ produced at midrapidity in Cu+Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV are presented. The data were collected in 2012 by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). The particle azimuthal distributions with respect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.07784v2-abstract-full').style.display = 'inline'; document.getElementById('1509.07784v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.07784v2-abstract-full" style="display: none;"> Measurements of anisotropic flow Fourier coefficients ($v_n$) for inclusive charged particles and identified hadrons $蟺^{\pm}$, $K^{\pm}$, $p$, and $\bar{p}$ produced at midrapidity in Cu+Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV are presented. The data were collected in 2012 by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). The particle azimuthal distributions with respect to different order symmetry planes $唯_n$, for $n$~=~1, 2, and 3 are studied as a function of transverse momentum $p_T$ over a broad range of collisions centralities. Mass ordering, as expected from hydrodynamic flow, is observed for all three harmonics. The charged-particle results are compared to hydrodynamical and transport model calculations. We also compare these Cu$+$Au results with those in Cu$+$Cu and Au$+$Au collisions at the same $\sqrt{s_{_{NN}}}$, and find that the $v_2$ and $v_3$, as a function of transverse momentum, follow a common scaling with $1/(\varepsilon_n N_{\rm part}^{1/3})$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.07784v2-abstract-full').style.display = 'none'; document.getElementById('1509.07784v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 November, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">404 authors, 21 pages, 20 figures, 3 tables, 2012 data. Accepted for publication in Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 94, 054910 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.07758">arXiv:1509.07758</a> <span> [<a href="https://arxiv.org/pdf/1509.07758">pdf</a>, <a href="https://arxiv.org/ps/1509.07758">ps</a>, <a href="https://arxiv.org/format/1509.07758">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.94.064901">10.1103/PhysRevC.94.064901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Azimuthally anisotropic emission of low-momentum direct photons in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Angerami%2C+A">A. Angerami</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Baksay%2C+G">G. Baksay</a>, <a href="/search/nucl-ex?searchtype=author&query=Baksay%2C+L">L. Baksay</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a> , et al. (527 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.07758v2-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured 2nd and 3rd order Fourier coefficients of the azimuthal distributions of direct photons emitted at midrapidity in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV for various collision centralities. Combining two different analysis techniques, results were obtained in the transverse momentum range of $0.4<p_{T}<4.0$ GeV/$c$.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.07758v2-abstract-full').style.display = 'inline'; document.getElementById('1509.07758v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.07758v2-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured 2nd and 3rd order Fourier coefficients of the azimuthal distributions of direct photons emitted at midrapidity in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV for various collision centralities. Combining two different analysis techniques, results were obtained in the transverse momentum range of $0.4<p_{T}<4.0$ GeV/$c$. At low $p_T$ the second-order coefficients, $v_2$, are similar to the ones observed in hadrons. Third order coefficients, $v_3$, are nonzero and almost independent of centrality. These new results on $v_2$ and $v_3$, combined with previously published results on yields, are compared to model calculations that provide yields and asymmetries in the same framework. Those models are challenged to explain simultaneously the observed large yield and large azimuthal anisotropies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.07758v2-abstract-full').style.display = 'none'; document.getElementById('1509.07758v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 December, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">552 authors, 15 pages, 9 figures, 3 tables, 2007 and 2010 data. v2 is version accepted for publication by Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 94, 064901 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.06735">arXiv:1509.06735</a> <span> [<a href="https://arxiv.org/pdf/1509.06735">pdf</a>, <a href="https://arxiv.org/ps/1509.06735">ps</a>, <a href="https://arxiv.org/format/1509.06735">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.024911">10.1103/PhysRevC.93.024911 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Scaling properties of fractional momentum loss of high-pT hadrons in nucleus-nucleus collisions at $\sqrt{s_{_{NN}}}$ from 62.4 GeV to 2.76 TeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Angerami%2C+A">A. Angerami</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/nucl-ex?searchtype=author&query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/nucl-ex?searchtype=author&query=Asai%2C+J">J. Asai</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a> , et al. (605 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.06735v2-abstract-short" style="display: inline;"> Measurements of the fractional momentum loss ($S_{\rm loss}\equiv未p_T/p_T$) of high-transverse-momentum-identified hadrons in heavy ion collisions are presented. Using $蟺^0$ in Au$+$Au and Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=62.4$ and 200 GeV measured by the PHENIX experiment at the Relativistic Heavy Ion Collider and and charged hadrons in Pb$+$Pb collisions measured by the ALICE experiment a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.06735v2-abstract-full').style.display = 'inline'; document.getElementById('1509.06735v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.06735v2-abstract-full" style="display: none;"> Measurements of the fractional momentum loss ($S_{\rm loss}\equiv未p_T/p_T$) of high-transverse-momentum-identified hadrons in heavy ion collisions are presented. Using $蟺^0$ in Au$+$Au and Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=62.4$ and 200 GeV measured by the PHENIX experiment at the Relativistic Heavy Ion Collider and and charged hadrons in Pb$+$Pb collisions measured by the ALICE experiment at the Large Hadron Collider, we studied the scaling properties of $S_{\rm loss}$ as a function of a number of variables: the number of participants, $N_{\rm part}$, the number of quark participants, $N_{\rm qp}$, the charged-particle density, $dN_{\rm ch}/d畏$, and the Bjorken energy density times the equilibration time, $\varepsilon_{\rm Bj}蟿_{0}$. We find that the $p_T$ where $S_{\rm loss}$ has its maximum, varies both with centrality and collision energy. Above the maximum, $S_{\rm loss}$ tends to follow a power-law function with all four scaling variables. The data at $\sqrt{s_{_{NN}}}$=200 GeV and 2.76 TeV, for sufficiently high particle densities, have a common scaling of $S_{\rm loss}$ with $dN_{\rm ch}/d畏$ and $\varepsilon_{\rm Bj}蟿_{0}$, lending insight on the physics of parton energy loss. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.06735v2-abstract-full').style.display = 'none'; document.getElementById('1509.06735v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">630 authors, 21 pages, 16 figures, 7 tables. v2 is version accepted by Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 024911 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.06727">arXiv:1509.06727</a> <span> [<a href="https://arxiv.org/pdf/1509.06727">pdf</a>, <a href="https://arxiv.org/ps/1509.06727">ps</a>, <a href="https://arxiv.org/format/1509.06727">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.024901">10.1103/PhysRevC.93.024901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Transverse energy production and charged-particle multiplicity at midrapidity in various systems from $\sqrt{s_{NN}}=7.7$ to 200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Jamel%2C+A">A. Al-Jamel</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Angerami%2C+A">A. Angerami</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/nucl-ex?searchtype=author&query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/nucl-ex?searchtype=author&query=Asai%2C+J">J. Asai</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a> , et al. (681 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.06727v2-abstract-short" style="display: inline;"> Measurements of midrapidity charged particle multiplicity distributions, $dN_{\rm ch}/d畏$, and midrapidity transverse-energy distributions, $dE_T/d畏$, are presented for a variety of collision systems and energies. Included are distributions for Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$, 130, 62.4, 39, 27, 19.6, 14.5, and 7.7 GeV, Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=200$ and 62.4 GeV, Cu$+$A… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.06727v2-abstract-full').style.display = 'inline'; document.getElementById('1509.06727v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.06727v2-abstract-full" style="display: none;"> Measurements of midrapidity charged particle multiplicity distributions, $dN_{\rm ch}/d畏$, and midrapidity transverse-energy distributions, $dE_T/d畏$, are presented for a variety of collision systems and energies. Included are distributions for Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$, 130, 62.4, 39, 27, 19.6, 14.5, and 7.7 GeV, Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=200$ and 62.4 GeV, Cu$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, U$+$U collisions at $\sqrt{s_{_{NN}}}=193$ GeV, $d$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, and $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Centrality-dependent distributions at midrapidity are presented in terms of the number of nucleon participants, $N_{\rm part}$, and the number of constituent quark participants, $N_{q{\rm p}}$. For all $A$$+$$A$ collisions down to $\sqrt{s_{_{NN}}}=7.7$ GeV, it is observed that the midrapidity data are better described by scaling with $N_{q{\rm p}}$ than scaling with $N_{\rm part}$. Also presented are estimates of the Bjorken energy density, $\varepsilon_{\rm BJ}$, and the ratio of $dE_T/d畏$ to $dN_{\rm ch}/d畏$, the latter of which is seen to be constant as a function of centrality for all systems. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.06727v2-abstract-full').style.display = 'none'; document.getElementById('1509.06727v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">706 authors, 32 pages, 20 figures, 34 tables, 2004, 2005, 2008, 2010, 2011, and 2012 data. v2 is version accepted for publication in Phys. Rev. C</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 024901 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.06337">arXiv:1509.06337</a> <span> [<a href="https://arxiv.org/pdf/1509.06337">pdf</a>, <a href="https://arxiv.org/ps/1509.06337">ps</a>, <a href="https://arxiv.org/format/1509.06337">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.024904">10.1103/PhysRevC.93.024904 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> $蠁$ meson production in the forward/backward rapidity region in Cu$+$Au collisions at $\sqrt{s_{NN}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Andrews%2C+K+R">K. R. Andrews</a>, <a href="/search/nucl-ex?searchtype=author&query=Angerami%2C+A">A. Angerami</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Appelt%2C+E">E. Appelt</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a> , et al. (487 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.06337v2-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured $蠁$ meson production and its nuclear modification in asymmetric Cu$+$Au heavy-ion collisions at $\sqrt{s_{NN}}=200$ GeV at both forward Cu-going direction ($1.2<y<2.2$) and backward Au-going direction ($-2.2<y<-1.2$), rapidities. The measurements are performed via the dimuon decay channel and reported as a function of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.06337v2-abstract-full').style.display = 'inline'; document.getElementById('1509.06337v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.06337v2-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured $蠁$ meson production and its nuclear modification in asymmetric Cu$+$Au heavy-ion collisions at $\sqrt{s_{NN}}=200$ GeV at both forward Cu-going direction ($1.2<y<2.2$) and backward Au-going direction ($-2.2<y<-1.2$), rapidities. The measurements are performed via the dimuon decay channel and reported as a function of the number of participating nucleons, rapidity, and transverse momentum. In the most central events, 0\%--20\% centrality, the $蠁$ meson yield integrated over $1<p_T<5$ GeV/$c$ prefers a smaller value, which means a larger nuclear modification, in the Cu-going direction compared to the Au-going direction. Additionally, the nuclear-modification factor in Cu$+$Au collisions averaged over all centrality is measured to be similar to the previous PHENIX result in $d$$+$Au collisions for these rapidities. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.06337v2-abstract-full').style.display = 'none'; document.getElementById('1509.06337v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">512 authors, 15 pages, 11 figures, 8 tables, 2009 and 2012 data. v2 is the version accepted for publication in Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 024904 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.05380">arXiv:1509.05380</a> <span> [<a href="https://arxiv.org/pdf/1509.05380">pdf</a>, <a href="https://arxiv.org/format/1509.05380">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.034903">10.1103/PhysRevC.93.034903 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Forward $J/蠄$ production in U$+$U collisions at $\sqrt{s_{NN}}$=193 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumann%2C+C">C. Baumann</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/nucl-ex?searchtype=author&query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/nucl-ex?searchtype=author&query=Beaumier%2C+M">M. Beaumier</a> , et al. (379 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.05380v2-abstract-short" style="display: inline;"> The invariant yields for $J/蠄$ production at forward rapidity $(1.2<|y|<2.2)$ in U$+$U collisions at $\sqrt{s_{_{NN}}}$=193 GeV have been measured as a function of collision centrality. The invariant yields and nuclear-modification factor $R_{AA}$ are presented and compared with those from Au$+$Au collisions in the same rapidity range. Additionally, the direct ratio of the invariant yields from U… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.05380v2-abstract-full').style.display = 'inline'; document.getElementById('1509.05380v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.05380v2-abstract-full" style="display: none;"> The invariant yields for $J/蠄$ production at forward rapidity $(1.2<|y|<2.2)$ in U$+$U collisions at $\sqrt{s_{_{NN}}}$=193 GeV have been measured as a function of collision centrality. The invariant yields and nuclear-modification factor $R_{AA}$ are presented and compared with those from Au$+$Au collisions in the same rapidity range. Additionally, the direct ratio of the invariant yields from U$+$U and Au$+$Au collisions within the same centrality class is presented, and used to investigate the role of $c\bar{c}$ coalescence. Two different parameterizations of the deformed Woods-Saxon distribution were used in Glauber calculations to determine the values of the number of nucleon-nucleon collisions in each centrality class, $N_{\rm coll}$, and these were found to give significantly different $N_{\rm coll}$ values. Results using $N_{\rm coll}$ values from both deformed Woods-Saxon distributions are presented. The measured ratios show that the $J/蠄$ suppression, relative to binary collision scaling, is similar in U$+$U and Au$+$Au for peripheral and midcentral collisions, but that $J/蠄$ show less suppression for the most central U$+$U collisions. The results are consistent with a picture in which, for central collisions, increase in the $J/蠄$ yield due to $c\bar{c}$ coalescence becomes more important than the decrease in yield due to increased energy density. For midcentral collisions, the conclusions about the balance between $c\bar{c}$ coalescence and suppression depend on which deformed Woods-Saxon distribution is used to determine $N_{\rm coll}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.05380v2-abstract-full').style.display = 'none'; document.getElementById('1509.05380v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">404 authors, 13 pages, 9 figures, and 6 tables. V2 is version accepted by Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 034903 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.04667">arXiv:1509.04667</a> <span> [<a href="https://arxiv.org/pdf/1509.04667">pdf</a>, <a href="https://arxiv.org/format/1509.04667">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Dielectron production in Au$+$Au collisions at $\sqrt{s_{NN}}$=200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/nucl-ex?searchtype=author&query=Adare%2C+A">A. Adare</a>, <a href="/search/nucl-ex?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/nucl-ex?searchtype=author&query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/nucl-ex?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/nucl-ex?searchtype=author&query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</a>, <a href="/search/nucl-ex?searchtype=author&query=Alfred%2C+M">M. Alfred</a>, <a href="/search/nucl-ex?searchtype=author&query=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Angerami%2C+A">A. Angerami</a>, <a href="/search/nucl-ex?searchtype=author&query=Aoki%2C+K">K. Aoki</a>, <a href="/search/nucl-ex?searchtype=author&query=Apadula%2C+N">N. Apadula</a>, <a href="/search/nucl-ex?searchtype=author&query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/nucl-ex?searchtype=author&query=Asano%2C+H">H. Asano</a>, <a href="/search/nucl-ex?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/nucl-ex?searchtype=author&query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/nucl-ex?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/nucl-ex?searchtype=author&query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/nucl-ex?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/nucl-ex?searchtype=author&query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/nucl-ex?searchtype=author&query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/nucl-ex?searchtype=author&query=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/nucl-ex?searchtype=author&query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a> , et al. (422 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.04667v2-abstract-short" style="display: inline;"> We present measurements of $e^+e^-$ production at midrapidity in Au$+$Au collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV. The invariant yield is studied within the PHENIX detector acceptance over a wide range of mass ($m_{ee} <$ 5 GeV/$c^2$) and pair transverse momentum ($p_T$ $<$ 5 GeV/$c$), for minimum bias and for five centrality classes. The \ee yield is compared to the expectations from known sour… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.04667v2-abstract-full').style.display = 'inline'; document.getElementById('1509.04667v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.04667v2-abstract-full" style="display: none;"> We present measurements of $e^+e^-$ production at midrapidity in Au$+$Au collisions at $\sqrt{s_{_{NN}}}$ = 200 GeV. The invariant yield is studied within the PHENIX detector acceptance over a wide range of mass ($m_{ee} <$ 5 GeV/$c^2$) and pair transverse momentum ($p_T$ $<$ 5 GeV/$c$), for minimum bias and for five centrality classes. The \ee yield is compared to the expectations from known sources. In the low-mass region ($m_{ee}=0.30$--0.76 GeV/$c^2$) there is an enhancement that increases with centrality and is distributed over the entire pair \pt range measured. It is significantly smaller than previously reported by the PHENIX experiment and amounts to $2.3\pm0.4({\rm stat})\pm0.4({\rm syst})\pm0.2^{\rm model}$ or to $1.7\pm0.3({\rm stat})\pm0.3({\rm syst})\pm0.2^{\rm model}$ for minimum bias collisions when the open-heavy-flavor contribution is calculated with {\sc pythia} or {\sc mc@nlo}, respectively. The inclusive mass and $p_T$ distributions as well as the centrality dependence are well reproduced by model calculations where the enhancement mainly originates from the melting of the $蟻$ meson resonance as the system approaches chiral symmetry restoration. In the intermediate-mass region ($m_{ee}$ = 1.2--2.8 GeV/$c^2$), the data hint at a significant contribution in addition to the yield from the semileptonic decays of heavy-flavor mesons. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.04667v2-abstract-full').style.display = 'none'; document.getElementById('1509.04667v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">447 authors, 38 pages, 38 figures, 9 tables, 2010 data. v2 is Phys. Rev. C accepted version. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> </ol> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Beaumier%2C+M&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Beaumier%2C+M&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a href="/search/?searchtype=author&query=Beaumier%2C+M&start=50" class="pagination-link " aria-label="Page 2" aria-current="page">2 </a> </li> </ul> </nav> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> 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