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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <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/2407.08586">arXiv:2407.08586</a> <span> [<a href="https://arxiv.org/pdf/2407.08586">pdf</a>, <a href="https://arxiv.org/format/2407.08586">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"> Centrality dependence of L茅vy-stable two-pion Bose-Einstein correlations in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au 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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=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=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. (377 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="2407.08586v1-abstract-short" style="display: inline;"> The PHENIX experiment measured the centrality dependence of two-pion Bose-Einstein correlation functions in $\sqrt{s_{_{NN}}}=200$~GeV Au$+$Au collisions at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. The data are well represented by L茅vy-stable source distributions. The extracted source parameters are the correlation-strength parameter $位$, the L茅vy index of stability… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.08586v1-abstract-full').style.display = 'inline'; document.getElementById('2407.08586v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.08586v1-abstract-full" style="display: none;"> The PHENIX experiment measured the centrality dependence of two-pion Bose-Einstein correlation functions in $\sqrt{s_{_{NN}}}=200$~GeV Au$+$Au collisions at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. The data are well represented by L茅vy-stable source distributions. The extracted source parameters are the correlation-strength parameter $位$, the L茅vy index of stability $伪$, and the L茅vy-scale parameter $R$ as a function of transverse mass $m_T$ and centrality. The $位(m_T)$ parameter is constant at larger values of $m_T$, but decreases as $m_T$ decreases. The L茅vy scale parameter $R(m_T)$ decreases with $m_T$ and exhibits proportionality to the length scale of the nuclear overlap region. The L茅vy exponent $伪(m_T)$ is independent of $m_T$ within uncertainties in each investigated centrality bin, but shows a clear centrality dependence. At all centralities, the L茅vy exponent $伪$ is significantly different from that of Gaussian ($伪=2$) or Cauchy ($伪=1$) source distributions. Comparisons to the predictions of Monte-Carlo simulations of resonance-decay chains show that in all but the most peripheral centrality class (50%-60%), the obtained results are inconsistent with the measurements, unless a significant reduction of the in-medium mass of the $畏'$ meson is included. In each centrality class, the best value of the in-medium $畏'$ mass is compared to the mass of the $畏$ meson, as well as to several theoretical predictions that consider restoration of $U_A(1)$ symmetry in hot hadronic matter. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.08586v1-abstract-full').style.display = 'none'; document.getElementById('2407.08586v1-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 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">401 authors from 75 institutions, 20 pages, 15 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/2203.12354">arXiv:2203.12354</a> <span> [<a href="https://arxiv.org/pdf/2203.12354">pdf</a>, <a href="https://arxiv.org/format/2203.12354">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.107.024914">10.1103/PhysRevC.107.024914 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Low-$p_T$ direct-photon production in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=39$ and 62.4 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=Akimoto%2C+R">R. Akimoto</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=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=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=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=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. (409 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="2203.12354v2-abstract-short" style="display: inline;"> The measurement of direct photons from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=39$ and 62.4 GeV in the transverse-momentum range $0.4<p_T<3$ Gev/$c$ is presented by the PHENIX collaboration at the Relativistic Heavy Ion Collider. A significant direct-photon yield is observed in both collision systems. A universal scaling is observed when the direct-photon $p_T$ spectra for different center-of-mass… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.12354v2-abstract-full').style.display = 'inline'; document.getElementById('2203.12354v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.12354v2-abstract-full" style="display: none;"> The measurement of direct photons from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=39$ and 62.4 GeV in the transverse-momentum range $0.4<p_T<3$ Gev/$c$ is presented by the PHENIX collaboration at the Relativistic Heavy Ion Collider. A significant direct-photon yield is observed in both collision systems. A universal scaling is observed when the direct-photon $p_T$ spectra for different center-of-mass energies and for different centrality selections at $\sqrt{s_{_{NN}}}=62.4$ GeV is scaled with $(dN_{\rm ch}/d畏)^伪$ for $伪=1.21{\pm}0.04$. This scaling also holds true for direct-photon spectra from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV measured earlier by PHENIX, as well as the spectra from Pb$+$Pb at $\sqrt{s_{_{NN}}}=2760$ GeV published by ALICE. The scaling power $伪$ seems to be independent of $p_T$, center of mass energy, and collision centrality. The spectra from different collision energies have a similar shape up to $p_T$ of 2 GeV/$c$. The spectra have a local inverse slope $T_{\rm eff}$ increasing with $p_T$ of $0.174\pm0.018$ GeV/$c$ in the range $0.4<p_T<1.3$ GeV/$c$ and increasing to $0.289\pm0.024$ GeV/$c$ for $0.9<p_T<2.1$ GeV/$c$. The observed similarity of low-$p_T$ direct-photon production from $\sqrt{s_{_{NN}}}= 39$ to 2760 GeV suggests a common source of direct photons for the different collision energies and event centrality selections, and suggests a comparable space-time evolution of direct-photon emission. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.12354v2-abstract-full').style.display = 'none'; document.getElementById('2203.12354v2-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> 24 February, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 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">434 authors from 78 institutions, 19 pages, 16 figures, 4 tables. v2 is version accepted for publication in Physical Review C as an Editor's Suggestion. 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, 024914 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.14270">arXiv:2005.14270</a> <span> [<a href="https://arxiv.org/pdf/2005.14270">pdf</a>, <a href="https://arxiv.org/format/2005.14270">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.102.054910">10.1103/PhysRevC.102.054910 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of jet-medium interactions via direct photon-hadron correlations in Au$+$Au and $d$$+$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=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=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=Bannier%2C+B">B. Bannier</a> , et al. (553 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="2005.14270v2-abstract-short" style="display: inline;"> We present direct photon-hadron correlations in 200 GeV/A Au$+$Au, $d$$+$Au and $p$$+$$p$ collisions, for direct photon $p_T$ from 5--12 GeV/$c$, collected by the PHENIX Collaboration in the years from 2006 to 2011. We observe no significant modification of jet fragmentation in $d$$+$Au collisions, indicating that cold nuclear matter effects are small or absent. Hadrons carrying a large fraction o… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14270v2-abstract-full').style.display = 'inline'; document.getElementById('2005.14270v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.14270v2-abstract-full" style="display: none;"> We present direct photon-hadron correlations in 200 GeV/A Au$+$Au, $d$$+$Au and $p$$+$$p$ collisions, for direct photon $p_T$ from 5--12 GeV/$c$, collected by the PHENIX Collaboration in the years from 2006 to 2011. We observe no significant modification of jet fragmentation in $d$$+$Au collisions, indicating that cold nuclear matter effects are small or absent. Hadrons carrying a large fraction of the quark's momentum are suppressed in Au$+$Au compared to $p$$+$$p$ and $d$$+$Au. As the momentum fraction decreases, the yield of hadrons in Au$+$Au increases to an excess over the yield in $p$$+$$p$ collisions. The excess is at large angles and at low hadron $p_T$ and is most pronounced for hadrons associated with lower momentum direct photons. Comparison to theoretical calculations suggests that the hadron excess arises from medium response to energy deposited by jets. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14270v2-abstract-full').style.display = 'none'; document.getElementById('2005.14270v2-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 November, 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">578 authors from 80 institutions, 11 pages, 7 figures, data from 2007, 2008, 2010, and 2011. 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 102, 054910 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1805.04084">arXiv:1805.04084</a> <span> [<a href="https://arxiv.org/pdf/1805.04084">pdf</a>, <a href="https://arxiv.org/format/1805.04084">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.123.022301">10.1103/PhysRevLett.123.022301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Beam-energy and centrality dependence of direct-photon emission from ultra-relativistic heavy-ion collisions </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. (648 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="1805.04084v2-abstract-short" style="display: inline;"> The PHENIX collaboration presents first measurements of low-momentum ($0.4<p_T<3$ GeV/$c$) direct-photon yields from Au$+$Au collisions at $\sqrt{s_{_{NN}}}$=39 and 62.4 GeV. For both beam energies the direct-photon yields are substantially enhanced with respect to expectations from prompt processes, similar to the yields observed in Au$+$Au collisions at $\sqrt{s_{_{NN}}}$=200. Analyzing the phot… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.04084v2-abstract-full').style.display = 'inline'; document.getElementById('1805.04084v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1805.04084v2-abstract-full" style="display: none;"> The PHENIX collaboration presents first measurements of low-momentum ($0.4<p_T<3$ GeV/$c$) direct-photon yields from Au$+$Au collisions at $\sqrt{s_{_{NN}}}$=39 and 62.4 GeV. For both beam energies the direct-photon yields are substantially enhanced with respect to expectations from prompt processes, similar to the yields observed in Au$+$Au collisions at $\sqrt{s_{_{NN}}}$=200. Analyzing the photon yield as a function of the experimental observable $dN_{\rm ch}/d畏$ reveals that the low-momentum ($>$1\,GeV/$c$) direct-photon yield $dN_纬^{\rm dir}/d畏$ is a smooth function of $dN_{\rm ch}/d畏$ and can be well described as proportional to $(dN_{\rm ch}/d畏)^伪$ with $伪{\approx}1.25$. This scaling behavior holds for a wide range of beam energies at the Relativistic Heavy Ion Collider and the Large Hadron Collider, for centrality selected samples, as well as for different, $A$$+$$A$ collision systems. At a given beam energy the scaling also holds for high $p_T$ ($>5$\,GeV/$c$) but when results from different collision energies are compared, an additional $\sqrt{s_{_{NN}}}$-dependent multiplicative factor is needed to describe the integrated-direct-photon yield. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.04084v2-abstract-full').style.display = 'none'; document.getElementById('1805.04084v2-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> 5 June, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 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">673 authors from 82 institutions, 10 pages, 4 figures. v2 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, 022301 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1709.05649">arXiv:1709.05649</a> <span> [<a href="https://arxiv.org/pdf/1709.05649">pdf</a>, <a href="https://arxiv.org/format/1709.05649">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.97.064911">10.1103/PhysRevC.97.064911 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> L茅vy-stable two-pion Bose-Einstein correlations in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions </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=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=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=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>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</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="1709.05649v3-abstract-short" style="display: inline;"> We present a detailed measurement of charged two-pion correlation functions in 0%-30% centrality $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions by the PHENIX experiment at the Relativistic Heavy Ion Collider. The data are well described by Bose-Einstein correlation functions stemming from L茅vy-stable source distributions. Using a fine transverse momentum binning, we extract the correlation strength… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.05649v3-abstract-full').style.display = 'inline'; document.getElementById('1709.05649v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1709.05649v3-abstract-full" style="display: none;"> We present a detailed measurement of charged two-pion correlation functions in 0%-30% centrality $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions by the PHENIX experiment at the Relativistic Heavy Ion Collider. The data are well described by Bose-Einstein correlation functions stemming from L茅vy-stable source distributions. Using a fine transverse momentum binning, we extract the correlation strength parameter $位$, the L茅vy index of stability $伪$ and the L茅vy length scale parameter $R$ as a function of average transverse mass of the pair $m_T$. We find that the positively and the negatively charged pion pairs yield consistent results, and their correlation functions are represented, within uncertainties, by the same L茅vy-stable source functions. The $位(m_T)$ measurements indicate a decrease of the strength of the correlations at low $m_T$. The L茅vy length scale parameter $R(m_T)$ decreases with increasing $m_T$, following a hydrodynamically predicted type of scaling behavior. The values of the L茅vy index of stability $伪$ are found to be significantly lower than the Gaussian case of $伪=2$, but also significantly larger than the conjectured value that may characterize the critical point of a second-order quark-hadron phase transition. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1709.05649v3-abstract-full').style.display = 'none'; document.getElementById('1709.05649v3-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> 15 September, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 September, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">448 authors, 25 pages, 11 figures, 4 tables, 2010 data. v3 is version accepted for publication in Phys. Rev. C with some Table II numbers and Fig. 5 updated to match publication. 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 97, 064911 (2018) </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$$+$Au collisions for these rapidities. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.06337v2-abstract-full').style.display = 'none'; document.getElementById('1509.06337v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">512 authors, 15 pages, 11 figures, 8 tables, 2009 and 2012 data. v2 is the version accepted for publication in Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 93, 024904 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.04667">arXiv:1509.04667</a> <span> [<a href="https://arxiv.org/pdf/1509.04667">pdf</a>, <a href="https://arxiv.org/format/1509.04667">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Dielectron production in Au$+$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> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1507.06273">arXiv:1507.06273</a> <span> [<a href="https://arxiv.org/pdf/1507.06273">pdf</a>, <a href="https://arxiv.org/format/1507.06273">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.115.142301">10.1103/PhysRevLett.115.142301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of elliptic and triangular flow in high-multiplicity $^{3}$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=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=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=Aphecetche%2C+L">L. Aphecetche</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=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> , 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="1507.06273v2-abstract-short" style="display: inline;"> We present the first measurement of elliptic ($v_2$) and triangular ($v_3$) flow in high-multiplicity $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in $^{3}$He$+$Au and in $p$$+$$p$ collisions and indicate that collective effects dominate the second and third Fourier components for the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.06273v2-abstract-full').style.display = 'inline'; document.getElementById('1507.06273v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1507.06273v2-abstract-full" style="display: none;"> We present the first measurement of elliptic ($v_2$) and triangular ($v_3$) flow in high-multiplicity $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in $^{3}$He$+$Au and in $p$$+$$p$ collisions and indicate that collective effects dominate the second and third Fourier components for the correlations observed in the $^{3}$He$+$Au system. The collective behavior is quantified in terms of elliptic $v_2$ and triangular $v_3$ anisotropy coefficients measured with respect to their corresponding event planes. The $v_2$ values are comparable to those previously measured in $d$$+$Au collisions at the same nucleon-nucleon center-of-mass energy. Comparison with various theoretical predictions are made, including to models where the hot spots created by the impact of the three $^{3}$He nucleons on the Au nucleus expand hydrodynamically to generate the triangular flow. The agreement of these models with data may indicate the formation of low-viscosity quark-gluon plasma even in these small collision systems. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.06273v2-abstract-full').style.display = 'none'; document.getElementById('1507.06273v2-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> 24 August, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 July, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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, 9 pages, 4 figures, 2 tables. v2 is the version accepted for publication 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> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 115, 142301 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1506.07834">arXiv:1506.07834</a> <span> [<a href="https://arxiv.org/pdf/1506.07834">pdf</a>, <a href="https://arxiv.org/ps/1506.07834">ps</a>, <a href="https://arxiv.org/format/1506.07834">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.93.011901">10.1103/PhysRevC.93.011901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of higher cumulants of net-charge multiplicity distributions in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=7.7-200$ 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=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=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</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="1506.07834v2-abstract-short" style="display: inline;"> We report the measurement of cumulants ($C_n, n=1\ldots4$) of the net-charge distributions measured within pseudorapidity ($|畏|<0.35$) in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=7.7-200$ GeV with the PHENIX experiment at the Relativistic Heavy Ion Collider. The ratios of cumulants (e.g. $C_1/C_2$, $C_3/C_1$) of the net-charge distributions, which can be related to volume independent susceptibility… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.07834v2-abstract-full').style.display = 'inline'; document.getElementById('1506.07834v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1506.07834v2-abstract-full" style="display: none;"> We report the measurement of cumulants ($C_n, n=1\ldots4$) of the net-charge distributions measured within pseudorapidity ($|畏|<0.35$) in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=7.7-200$ GeV with the PHENIX experiment at the Relativistic Heavy Ion Collider. The ratios of cumulants (e.g. $C_1/C_2$, $C_3/C_1$) of the net-charge distributions, which can be related to volume independent susceptibility ratios, are studied as a function of centrality and energy. These quantities are important to understand the quantum-chromodynamics phase diagram and possible existence of a critical end point. The measured values are very well described by expectation from negative binomial distributions. We do not observe any nonmonotonic behavior in the ratios of the cumulants as a function of collision energy. The measured values of $C_1/C_2 = 渭/蟽^2$ and $C_3/C_1 = S蟽^3/渭$ can be directly compared to lattice quantum-chromodynamics calculations and thus allow extraction of both the chemical freeze-out temperature and the baryon chemical potential at each center-of-mass energy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.07834v2-abstract-full').style.display = 'none'; document.getElementById('1506.07834v2-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> 24 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 June, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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, 8 pages, 4 figures, 1 table. v2 is version accepted for publication in Phys. Rev. C as a 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. C 93, 011901 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1410.2559">arXiv:1410.2559</a> <span> [<a href="https://arxiv.org/pdf/1410.2559">pdf</a>, <a href="https://arxiv.org/ps/1410.2559">ps</a>, <a href="https://arxiv.org/format/1410.2559">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"> Beam-energy and system-size dependence of the space-time extent of the pion emission source produced in heavy ion collisions </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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</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=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. (597 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="1410.2559v1-abstract-short" style="display: inline;"> Two-pion interferometry measurements are used to extract the Gaussian radii $R_{\rm out}$, $R_{\rm side}$, and $R_{\rm long}$, of the pion emission sources produced in Cu$+$Cu and Au$+$Au collisions at several beam collision energies $\sqrt{s_{_{NN}}}$ at PHENIX. The extracted radii, which are compared to recent STAR and ALICE data, show characteristic scaling patterns as a function of the initial… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.2559v1-abstract-full').style.display = 'inline'; document.getElementById('1410.2559v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1410.2559v1-abstract-full" style="display: none;"> Two-pion interferometry measurements are used to extract the Gaussian radii $R_{\rm out}$, $R_{\rm side}$, and $R_{\rm long}$, of the pion emission sources produced in Cu$+$Cu and Au$+$Au collisions at several beam collision energies $\sqrt{s_{_{NN}}}$ at PHENIX. The extracted radii, which are compared to recent STAR and ALICE data, show characteristic scaling patterns as a function of the initial transverse size $\bar{R}$ of the collision systems and the transverse mass $m_T$ of the emitted pion pairs, consistent with hydrodynamiclike expansion. Specific combinations of the three-dimensional radii that are sensitive to the medium expansion velocity and lifetime, and the pion emission time duration show nonmonotonic $\sqrt{s_{_{NN}}}$ dependencies. The nonmonotonic behaviors exhibited by these quantities point to a softening of the equation of state that may coincide with the critical end point in the phase diagram for nuclear matter. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1410.2559v1-abstract-full').style.display = 'none'; document.getElementById('1410.2559v1-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 October, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2014. </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">622 authors, 8 pages, 5 figures, data from 2005, 2007, and 2010. Submitted to 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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1409.1907">arXiv:1409.1907</a> <span> [<a href="https://arxiv.org/pdf/1409.1907">pdf</a>, <a href="https://arxiv.org/format/1409.1907">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"> Inclusive cross sections, charge ratio and double-helicity asymmetries for $蟺^+$ and $蟺^-$ production 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=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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=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=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=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</a> , et al. (356 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="1409.1907v1-abstract-short" style="display: inline;"> We present the midrapidity charged pion invariant cross sections and the ratio of $蟺^-$-to-$蟺^+$ production ($5<p_T<13$ GeV/$c$), together with the double-helicity asymmetries ($5<p_T<12$ GeV/$c$) in polarized $p$$+$$p$ collisions at $\sqrt{s} = 200$ GeV. The cross section measurements are consistent with perturbative calculations in quantum chromodynamics within large uncertainties in the calcula… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.1907v1-abstract-full').style.display = 'inline'; document.getElementById('1409.1907v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1409.1907v1-abstract-full" style="display: none;"> We present the midrapidity charged pion invariant cross sections and the ratio of $蟺^-$-to-$蟺^+$ production ($5<p_T<13$ GeV/$c$), together with the double-helicity asymmetries ($5<p_T<12$ GeV/$c$) in polarized $p$$+$$p$ collisions at $\sqrt{s} = 200$ GeV. The cross section measurements are consistent with perturbative calculations in quantum chromodynamics within large uncertainties in the calculation due to the choice of factorization, renormalization, and fragmentation scales. However, the theoretical calculation of the ratio of $蟺^-$-to-$蟺^+$ production when considering these scale uncertainties overestimates the measured value, suggesting further investigation of the uncertainties on the charge-separated pion fragmentation functions is needed. Due to cancellations of uncertainties in the charge ratio, direct inclusion of these ratio data in future parameterizations should improve constraints on the flavor dependence of quark fragmentation functions to pions. By measuring charge-separated pion asymmetries, one can gain sensitivity to the sign of $螖G$ through the opposite sign of the up and down quark helicity distributions in conjunction with preferential fragmentation of positive pions from up quarks and negative pions from down quarks. The double-helicity asymmetries presented are sensitive to the gluon helicity distribution over an $x$ range of $\sim$0.03--0.16. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.1907v1-abstract-full').style.display = 'none'; document.getElementById('1409.1907v1-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> 5 September, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2014. </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">381 authors, 13 pages, 8 figures, 4 tables, 2009 data. Submitted to 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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1409.0851">arXiv:1409.0851</a> <span> [<a href="https://arxiv.org/pdf/1409.0851">pdf</a>, <a href="https://arxiv.org/format/1409.0851">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"> Search for dark photons from neutral meson decays in $p$$+$$p$ and $d$$+$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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</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=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=Aphecetche%2C+L">L. Aphecetche</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=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. (556 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="1409.0851v3-abstract-short" style="display: inline;"> The standard model (SM) of particle physics is spectacularly successful, yet the measured value of the muon anomalous magnetic moment $(g-2)_渭$ deviates from SM calculations by 3.6$蟽$. Several theoretical models attribute this to the existence of a "dark photon," an additional U(1) gauge boson, which is weakly coupled to ordinary photons. The PHENIX experiment at the Relativistic Heavy Ion Collide… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.0851v3-abstract-full').style.display = 'inline'; document.getElementById('1409.0851v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1409.0851v3-abstract-full" style="display: none;"> The standard model (SM) of particle physics is spectacularly successful, yet the measured value of the muon anomalous magnetic moment $(g-2)_渭$ deviates from SM calculations by 3.6$蟽$. Several theoretical models attribute this to the existence of a "dark photon," an additional U(1) gauge boson, which is weakly coupled to ordinary photons. The PHENIX experiment at the Relativistic Heavy Ion Collider has searched for a dark photon, $U$, in $蟺^0,畏\rightarrow 纬e^+e^-$ decays and obtained upper limits of $\mathcal{O}(2\times10^{-6})$ on $U$-$纬$ mixing at 90% CL for the mass range $30<m_U<90$ MeV/$c^2$. Combined with other experimental limits, the remaining region in the $U$-$纬$ mixing parameter space that can explain the $(g-2)_渭$ deviation from its SM value is nearly completely excluded at the 90% confidence level, with only a small region of $29<m_U<32$ MeV/$c^2$ remaining. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.0851v3-abstract-full').style.display = 'none'; document.getElementById('1409.0851v3-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> 16 March, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 September, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2014. </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">580 authors, 9 pages, 5 figures. v2 includes recent BABAR results w/changed title and formatted for Phys. Rev. C. v3 is version accepted for PRC Rapid Communications. Published version will be at http://www.phenix.bnl.gov/phenix/WWW/info/pp1/165 Plain text data tables will be 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/1405.4260">arXiv:1405.4260</a> <span> [<a href="https://arxiv.org/pdf/1405.4260">pdf</a>, <a href="https://arxiv.org/ps/1405.4260">ps</a>, <a href="https://arxiv.org/format/1405.4260">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"> Low-mass vector-meson production at forward rapidity 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=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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</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=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=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. (445 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="1405.4260v1-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured low mass vector meson, $蠅$, $蟻$, and $蠁$, production through the dimuon decay channel at forward rapidity ($1.2<|y|<2.2$) in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV. The differential cross sections for these mesons are measured as a function of both $p_T$ and rapidity. We also report the integrated differential cross sect… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.4260v1-abstract-full').style.display = 'inline'; document.getElementById('1405.4260v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.4260v1-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured low mass vector meson, $蠅$, $蟻$, and $蠁$, production through the dimuon decay channel at forward rapidity ($1.2<|y|<2.2$) in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV. The differential cross sections for these mesons are measured as a function of both $p_T$ and rapidity. We also report the integrated differential cross sections over $1<p_T<7$ GeV/$c$ and $1.2<|y|<2.2$: $d蟽/dy(蠅+蟻\rightarrow渭渭) = 80 \pm 6 \mbox{(stat)} \pm 12 \mbox{(syst)}$ nb and $d蟽/dy(蠁\rightarrow渭渭) = 27 \pm 3 \mbox{(stat)} \pm 4 \mbox{(syst)}$ nb. These results are compared with midrapidity measurements and calculations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.4260v1-abstract-full').style.display = 'none'; document.getElementById('1405.4260v1-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> 16 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2014. </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">470 authors, 12 pages, 11 figures, 5 tables, 2009 data. Submitted to 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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1405.3940">arXiv:1405.3940</a> <span> [<a href="https://arxiv.org/pdf/1405.3940">pdf</a>, <a href="https://arxiv.org/format/1405.3940">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"> Centrality dependence of low-momentum 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=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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=Bannier%2C+B">B. Bannier</a>, <a href="/search/nucl-ex?searchtype=author&query=Barish%2C+K+N">K. N. Barish</a> , et al. (455 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="1405.3940v2-abstract-short" style="display: inline;"> The PHENIX experiment at RHIC has measured the centrality dependence of the direct photon yield from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV down to $p_T=0.4$ GeV/$c$. Photons are detected via photon conversions to $e^+e^-$ pairs and an improved technique is applied that minimizes the systematic uncertainties that usually limit direct photon measurements, in particular at low $p_T$. We fi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.3940v2-abstract-full').style.display = 'inline'; document.getElementById('1405.3940v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.3940v2-abstract-full" style="display: none;"> The PHENIX experiment at RHIC has measured the centrality dependence of the direct photon yield from Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV down to $p_T=0.4$ GeV/$c$. Photons are detected via photon conversions to $e^+e^-$ pairs and an improved technique is applied that minimizes the systematic uncertainties that usually limit direct photon measurements, in particular at low $p_T$. We find an excess of direct photons above the $N_{\rm coll}$-scaled yield measured in $p$$+$$p$ collisions. This excess yield is well described by an exponential distribution with an inverse slope of about 240 MeV/$c$ in the $p_T$ range from 0.6--2.0 GeV/$c$. While the shape of the $p_T$ distribution is independent of centrality within the experimental uncertainties, the yield increases rapidly with increasing centrality, scaling approximately with $N_{\rm part}^伪$, where $伪=1.48{\pm}0.08({\rm stat}){\pm}0.04({\rm syst})$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.3940v2-abstract-full').style.display = 'none'; document.getElementById('1405.3940v2-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 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2014. </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, pages, 9 figures, 3 tables, 2007 and 2010 data. Submitted to Phys. Rev. C. v2 is version accepted by PRC w/ updated figures. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are 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/1405.3301">arXiv:1405.3301</a> <span> [<a href="https://arxiv.org/pdf/1405.3301">pdf</a>, <a href="https://arxiv.org/ps/1405.3301">ps</a>, <a href="https://arxiv.org/format/1405.3301">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"> Heavy-quark production and elliptic flow in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=62.4$ 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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=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=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>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</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. (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="1405.3301v3-abstract-short" style="display: inline;"> We present measurements of electrons and positrons from the semileptonic decays of heavy-flavor hadrons at midrapidity ($|y|<$ 0.35) in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=62.4$ GeV. The data were collected in 2010 by the PHENIX experiment that included the new hadron-blind detector. The invariant yield of electrons from heavy-flavor decays is measured as a function of transverse momentum in t… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.3301v3-abstract-full').style.display = 'inline'; document.getElementById('1405.3301v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1405.3301v3-abstract-full" style="display: none;"> We present measurements of electrons and positrons from the semileptonic decays of heavy-flavor hadrons at midrapidity ($|y|<$ 0.35) in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=62.4$ GeV. The data were collected in 2010 by the PHENIX experiment that included the new hadron-blind detector. The invariant yield of electrons from heavy-flavor decays is measured as a function of transverse momentum in the range $1<p_T^e<5$ GeV/$c$. The invariant yield per binary collision is slightly enhanced above the $p$$+$$p$ reference in Au$+$Au 0%--20%, 20%--40% and 40%--60% centralities at a comparable level. This may be a result of the interplay between initial-state Cronin effects, final-state flow, and energy loss for heavy-quark production at this low beam energy. The $v_2$ of electrons from heavy-flavor decays is nonzero when averaged between $1.3<p_T^e<2.5$ GeV/$c$ from $0<{\rm centrality}<40$% collisions at $\sqrt{s_{_{NN}}}=62.4$ GeV. For 20%--40% centrality collisions, the $v_2$ at $\sqrt{s_{_{NN}}}=62.4$ GeV is smaller than that for heavy flavor decays at $\sqrt{s_{_{NN}}}=200$ GeV. The $v_2$ of the electrons from heavy-flavor decay at the lower beam energy is also smaller than $v_2$ for pions. Both results indicate that the heavy-quarks interact with the medium formed in these collisions, but they may not be at the same level of thermalization with the medium as observed at $\sqrt{s_{_{NN}}}=200$ GeV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1405.3301v3-abstract-full').style.display = 'none'; document.getElementById('1405.3301v3-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> 16 March, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2014. </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, 20 pages, 24 figures, 3 tables. Submitted to Phys. Rev. C. v2 has minor text changes, inserted new figure and rebinned plots. v3 is accepted version w/ updated figures. Published version will be available at http://www.phenix.bnl.gov/phenix/WWW/info/pp1/155. Plain text data tables 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/1404.7461">arXiv:1404.7461</a> <span> [<a href="https://arxiv.org/pdf/1404.7461">pdf</a>, <a href="https://arxiv.org/format/1404.7461">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.114.192301">10.1103/PhysRevLett.114.192301 <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 correlation and quadrupole anisotropy of pions and (anti)protons in central $d$$+$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=Al-Bataineh%2C+H">H. Al-Bataineh</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=Alexander%2C+J">J. Alexander</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=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=Bannier%2C+B">B. Bannier</a> , et al. (399 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="1404.7461v2-abstract-short" style="display: inline;"> We present azimuthal angular correlations between charged hadrons and energy deposited in calorimeter towers in central $d$$+$Au and minimum bias $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The charged hadron is measured at midrapidity $|畏|<0.35$, and the energy is measured at large rapidity ($-3.7<畏<-3.1$, Au-going direction). An enhanced near-side angular correlation across $|螖畏| >$ 2.75… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.7461v2-abstract-full').style.display = 'inline'; document.getElementById('1404.7461v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.7461v2-abstract-full" style="display: none;"> We present azimuthal angular correlations between charged hadrons and energy deposited in calorimeter towers in central $d$$+$Au and minimum bias $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The charged hadron is measured at midrapidity $|畏|<0.35$, and the energy is measured at large rapidity ($-3.7<畏<-3.1$, Au-going direction). An enhanced near-side angular correlation across $|螖畏| >$ 2.75 is observed in $d$$+$Au collisions. Using the event plane method applied to the Au-going energy distribution, we extract the anisotropy strength $v_2$ for inclusive charged hadrons at midrapidity up to $p_T=4.5$ GeV/$c$. We also present the measurement of $v_2$ for identified $蟺^{\pm}$ and (anti)protons in central $d$$+$Au collisions, and observe a mass-ordering pattern similar to that seen in heavy ion collisions. These results are compared with viscous hydrodynamic calculations and measurements from $p$$+$Pb at $\sqrt{s_{_{NN}}}=5.02$ TeV. The magnitude of the mass-ordering in $d$$+$Au is found to be smaller than that in $p$$+$Pb collisions, which may indicate smaller radial flow in lower energy $d$$+$Au collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.7461v2-abstract-full').style.display = 'none'; document.getElementById('1404.7461v2-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 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2014. </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">424 authors, 8 pages, and 4 figures. v2 is version accepted for publication in Phys. Rev. Lett. Published version will be at http://www.phenix.bnl.gov/phenix/WWW/info/pp1/161/ Plain text data tables will be 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. 114, 192301 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1404.2246">arXiv:1404.2246</a> <span> [<a href="https://arxiv.org/pdf/1404.2246">pdf</a>, <a href="https://arxiv.org/ps/1404.2246">ps</a>, <a href="https://arxiv.org/format/1404.2246">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.91.024913">10.1103/PhysRevC.91.024913 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of $违$(1S+2S+3S) production in $p$$+$$p$ and 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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=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>, <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> , et al. (481 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="1404.2246v3-abstract-short" style="display: inline;"> Measurements of bottomonium production in heavy ion and $p$$+$$p$ collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three $违$ states, $违(1S+2S+3S)$, was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au$+$Au and $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The $违(1S+2S+3S)\rightarrow e^+e^-$ differentia… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.2246v3-abstract-full').style.display = 'inline'; document.getElementById('1404.2246v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.2246v3-abstract-full" style="display: none;"> Measurements of bottomonium production in heavy ion and $p$$+$$p$ collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three $违$ states, $违(1S+2S+3S)$, was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au$+$Au and $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The $违(1S+2S+3S)\rightarrow e^+e^-$ differential cross section at midrapidity was found to be $B_{\rm ee} d蟽/dy =$ 108 $\pm$ 38 (stat) $\pm$ 15(syst) $\pm$ 11 (luminosity) pb in $p$$+$$p$ collisions. The nuclear modification factor in the 30\% most central Au$+$Au collisions indicates a suppression of the total $违$ state yield relative to the extrapolation from $p$$+$$p$ collision data. The suppression is consistent with measurements made by STAR at RHIC and at higher energies by the CMS experiment at the Large Hadron Collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.2246v3-abstract-full').style.display = 'none'; document.getElementById('1404.2246v3-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 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2014. </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">506 authors, 15 pages, 17 figures, and 7 tables. v3 is as accepted by Phys. Rev. C. v2 has changes to text and figures, plus additional authors. Published version will be at http://www.phenix.bnl.gov/phenix/WWW/info/pp1/1NN/ Plain text data tables are (or will be) 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/1402.6296">arXiv:1402.6296</a> <span> [<a href="https://arxiv.org/pdf/1402.6296">pdf</a>, <a href="https://arxiv.org/format/1402.6296">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.90.012007">10.1103/PhysRevD.90.012007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Inclusive double-helicity asymmetries in neutral pion and eta meson production in $\vec{p}+\vec{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=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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=Aschenauer%2C+E+C">E. C. Aschenauer</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=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=Basye%2C+A+T">A. T. Basye</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. (355 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="1402.6296v1-abstract-short" style="display: inline;"> Results are presented from data recorded in 2009 by the PHENIX experiment at the Relativistic Heavy Ion Collider for the double-longitudinal spin asymmetry, $A_{LL}$, for $蟺^0$ and $畏$ production in $\sqrt{s} = 200$ GeV polarized $p$$+$$p$ collisions. Comparison of the $蟺^0$ results with different theory expectations based on fits of other published data showed a preference for small positive valu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.6296v1-abstract-full').style.display = 'inline'; document.getElementById('1402.6296v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1402.6296v1-abstract-full" style="display: none;"> Results are presented from data recorded in 2009 by the PHENIX experiment at the Relativistic Heavy Ion Collider for the double-longitudinal spin asymmetry, $A_{LL}$, for $蟺^0$ and $畏$ production in $\sqrt{s} = 200$ GeV polarized $p$$+$$p$ collisions. Comparison of the $蟺^0$ results with different theory expectations based on fits of other published data showed a preference for small positive values of gluon polarization, $螖G$, in the proton in the probed Bjorken $x$ range. The effect of adding the new 2009 \pz data to a recent global analysis of polarized scattering data is also shown, resulting in a best fit value $螖G^{[0.05,0.2]}_{\mbox{DSSV}} = 0.06^{+0.11}_{-0.15}$ in the range $0.05<x<0.2$, with the uncertainty at $螖蠂^2 = 9$ when considering only statistical experimental uncertainties. Shifting the PHENIX data points by their systematic uncertainty leads to a variation of the best-fit value of $螖G^{[0.05,0.2]}_{\mbox{DSSV}}$ between $0.02$ and $0.12$, demonstrating the need for full treatment of the experimental systematic uncertainties in future global analyses. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1402.6296v1-abstract-full').style.display = 'none'; document.getElementById('1402.6296v1-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, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2014. </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">380 authors, 19 pages, 14 figures, 7 tables. Submitted to 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 90, 012007 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1310.1005">arXiv:1310.1005</a> <span> [<a href="https://arxiv.org/pdf/1310.1005">pdf</a>, <a href="https://arxiv.org/ps/1310.1005">ps</a>, <a href="https://arxiv.org/format/1310.1005">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.112.252301">10.1103/PhysRevLett.112.252301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cold-nuclear-matter effects on heavy-quark production at forward and backward rapidity in d+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=Al-Bataineh%2C+H">H. Al-Bataineh</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=Alexander%2C+J">J. Alexander</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=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=Bannier%2C+B">B. Bannier</a> , et al. (399 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="1310.1005v1-abstract-short" style="display: inline;"> The PHENIX experiment has measured open heavy-flavor production via semileptonic decay muons over the transverse momentum range 1 < pT < 6 GeV/c at forward and backward rapidity (1.4 < |y| < 2.0) in d+Au and p+p collisions at ?sNN = 200 GeV. In central d+Au collisions an enhancement (suppression) of heavy-flavor muon production is observed at backward (forward) rapidity relative to the yield in p+… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.1005v1-abstract-full').style.display = 'inline'; document.getElementById('1310.1005v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1310.1005v1-abstract-full" style="display: none;"> The PHENIX experiment has measured open heavy-flavor production via semileptonic decay muons over the transverse momentum range 1 < pT < 6 GeV/c at forward and backward rapidity (1.4 < |y| < 2.0) in d+Au and p+p collisions at ?sNN = 200 GeV. In central d+Au collisions an enhancement (suppression) of heavy-flavor muon production is observed at backward (forward) rapidity relative to the yield in p+p collisions scaled by the number of binary collisions. Modification of the gluon density distribution in the Au nucleus contributes in terms of anti-shadowing enhancement and shadowing suppression; however, the enhancement seen at backward rapidity exceeds expectations from this effect alone. These results, implying an important role for additional cold nuclear matter effects, serves as a key baseline for heavy-quark measurements in A+A collisions and in constraining the magnitude of charmonia breakup effects at the Relativistic Heavy Ion Collider and the Large Hadron Collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1310.1005v1-abstract-full').style.display = 'none'; document.getElementById('1310.1005v1-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 October, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2013. </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">424 authors, 69 insitutions, 8 pages, 4 figures. Submitted to 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/1212.3323">arXiv:1212.3323</a> <span> [<a href="https://arxiv.org/pdf/1212.3323">pdf</a>, <a href="https://arxiv.org/ps/1212.3323">ps</a>, <a href="https://arxiv.org/format/1212.3323">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.111.032301">10.1103/PhysRevLett.111.032301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Medium modification of jet fragmentation in Au+Au collisions at sqrt(s_NN)=200 GeV measured in direct photon-hadron correlations </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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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>, <a href="/search/nucl-ex?searchtype=author&query=Bai%2C+M">M. Bai</a> , et al. (537 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="1212.3323v2-abstract-short" style="display: inline;"> The jet fragmentation function is measured with direct photon-hadron correlations in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV. The p_T of the photon is an excellent approximation to the initial p_T of the jet and the ratio z_T=p_T^h/p_T^纬is used as a proxy for the jet fragmentation function. A statistical subtraction is used to extract the direct photon-hadron yields in Au+Au collisions whil… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.3323v2-abstract-full').style.display = 'inline'; document.getElementById('1212.3323v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1212.3323v2-abstract-full" style="display: none;"> The jet fragmentation function is measured with direct photon-hadron correlations in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV. The p_T of the photon is an excellent approximation to the initial p_T of the jet and the ratio z_T=p_T^h/p_T^纬is used as a proxy for the jet fragmentation function. A statistical subtraction is used to extract the direct photon-hadron yields in Au+Au collisions while a photon isolation cut is applied in p+p. I_ AA, the ratio of jet fragment yield in Au+Au to that in p+p, indicates modification of the jet fragmentation function. Suppression, most likely due to energy loss in the medium, is seen at high z_T. The fragment yield at low z_T is enhanced at large angles. Such a trend is expected from redistribution of the lost energy into increased production of low-momentum particles. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1212.3323v2-abstract-full').style.display = 'none'; document.getElementById('1212.3323v2-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 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 December, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2012. </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">562 authors, 70 insitutions, 8 pages, and 3 figures. Submitted to Phys. Rev. Lett. v2 has minor changes to improve clarity. 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. 111, 032301 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1211.4017">arXiv:1211.4017</a> <span> [<a href="https://arxiv.org/pdf/1211.4017">pdf</a>, <a href="https://arxiv.org/ps/1211.4017">ps</a>, <a href="https://arxiv.org/format/1211.4017">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.87.044909">10.1103/PhysRevC.87.044909 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Upsilon (1S+2S+3S) production in d+Au and p+p collisions at sqrt(s_NN)=200 GeV and cold-nuclear matter effects </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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=Aphecetche%2C+L">L. Aphecetche</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=Asai%2C+J">J. Asai</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> , et al. (470 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="1211.4017v1-abstract-short" style="display: inline;"> The three Upsilon states, Upsilon(1S+2S+3S), are measured in d+Au and p+p collisions at sqrt(s_NN)=200 GeV and rapidities 1.2<|y|<2.2 by the PHENIX experiment at the Relativistic Heavy-Ion Collider. Cross sections for the inclusive Upsilon(1S+2S+3S) production are obtained. The inclusive yields per binary collision for d+Au collisions relative to those in p+p collisions (R_dAu) are found to be 0.6… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.4017v1-abstract-full').style.display = 'inline'; document.getElementById('1211.4017v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.4017v1-abstract-full" style="display: none;"> The three Upsilon states, Upsilon(1S+2S+3S), are measured in d+Au and p+p collisions at sqrt(s_NN)=200 GeV and rapidities 1.2<|y|<2.2 by the PHENIX experiment at the Relativistic Heavy-Ion Collider. Cross sections for the inclusive Upsilon(1S+2S+3S) production are obtained. The inclusive yields per binary collision for d+Au collisions relative to those in p+p collisions (R_dAu) are found to be 0.62 +/- 0.26 (stat) +/- 0.13 (syst) in the gold-going direction and 0.91 +/- 0.33 (stat) +/- 0.16 (syst) in the deuteron-going direction. The measured results are compared to a nuclear-shadowing model, EPS09 [JHEP 04, 065 (2009)], combined with a final-state breakup cross section, sigma_br, and compared to lower energy p+A results. We also compare the results to the PHENIX J/psi results [Phys. Rev. Lett. 107, 142301 (2011)]. The rapidity dependence of the observed Upsilon suppression is consistent with lower energy p+A measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.4017v1-abstract-full').style.display = 'none'; document.getElementById('1211.4017v1-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> 16 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2012. </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">495 authors, 11 pages, 9 figures, 5 tables. Submitted to 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 87, 044909 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.3278">arXiv:1209.3278</a> <span> [<a href="https://arxiv.org/pdf/1209.3278">pdf</a>, <a href="https://arxiv.org/ps/1209.3278">ps</a>, <a href="https://arxiv.org/format/1209.3278">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.87.012011">10.1103/PhysRevD.87.012011 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Double Spin Asymmetry of Electrons from Heavy Flavor Decays 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=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-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=Aschenauer%2C+E+C">E. C. Aschenauer</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=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=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/nucl-ex?searchtype=author&query=Bathe%2C+S">S. Bathe</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="1209.3278v1-abstract-short" style="display: inline;"> We report on the first measurement of double-spin asymmetry, A_LL, of electrons from the decays of hadrons containing heavy flavor in longitudinally polarized p+p collisions at sqrt(s)=200 GeV for p_T= 0.5 to 3.0 GeV/c. The asymmetry was measured at mid-rapidity (|eta|<0.35) with the PHENIX detector at the Relativistic Heavy Ion Collider. The measured asymmetries are consistent with zero within th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.3278v1-abstract-full').style.display = 'inline'; document.getElementById('1209.3278v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.3278v1-abstract-full" style="display: none;"> We report on the first measurement of double-spin asymmetry, A_LL, of electrons from the decays of hadrons containing heavy flavor in longitudinally polarized p+p collisions at sqrt(s)=200 GeV for p_T= 0.5 to 3.0 GeV/c. The asymmetry was measured at mid-rapidity (|eta|<0.35) with the PHENIX detector at the Relativistic Heavy Ion Collider. The measured asymmetries are consistent with zero within the statistical errors. We obtained a constraint for the polarized gluon distribution in the proton of |Delta g/g(log{_10}x= -1.6^+0.5_-0.4, {mu}=m_T^c)|^2 < 0.033 (1 sigma), based on a leading-order perturbative-quantum-chromodynamics model, using the measured asymmetry. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.3278v1-abstract-full').style.display = 'none'; document.getElementById('1209.3278v1-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> 14 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2012. </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">385 authors, 17 pages, 15 figures, 5 tables. Submitted to 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 87, 012011 (2013) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1208.2251">arXiv:1208.2251</a> <span> [<a href="https://arxiv.org/pdf/1208.2251">pdf</a>, <a href="https://arxiv.org/ps/1208.2251">ps</a>, <a href="https://arxiv.org/format/1208.2251">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.86.064901">10.1103/PhysRevC.86.064901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> J/psi suppression at forward rapidity in Au+Au collisions at sqrt(s_NN)=39 and 62.4 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=Al-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=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=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>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</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. (340 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="1208.2251v1-abstract-short" style="display: inline;"> We present measurements of the J/psi invariant yields in sqrt(s_NN)=39 and 62.4 GeV Au+Au collisions at forward rapidity (1.2<|y|<2.2). Invariant yields are presented as a function of both collision centrality and transverse momentum. Nuclear modifications are obtained for central relative to peripheral Au+Au collisions (R_CP) and for various centrality selections in Au+Au relative to scaled p+p c… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1208.2251v1-abstract-full').style.display = 'inline'; document.getElementById('1208.2251v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1208.2251v1-abstract-full" style="display: none;"> We present measurements of the J/psi invariant yields in sqrt(s_NN)=39 and 62.4 GeV Au+Au collisions at forward rapidity (1.2<|y|<2.2). Invariant yields are presented as a function of both collision centrality and transverse momentum. Nuclear modifications are obtained for central relative to peripheral Au+Au collisions (R_CP) and for various centrality selections in Au+Au relative to scaled p+p cross sections obtained from other measurements (R_AA). The observed suppression patterns at 39 and 62.4 GeV are quite similar to those previously measured at 200 GeV. This similar suppression presents a challenge to theoretical models that contain various competing mechanisms with different energy dependencies, some of which cause suppression and others enhancement. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1208.2251v1-abstract-full').style.display = 'none'; document.getElementById('1208.2251v1-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 August, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2012. </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">365 authors, 10 pages, 11 figures, 4 tables. Submitted to 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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1204.1526">arXiv:1204.1526</a> <span> [<a href="https://arxiv.org/pdf/1204.1526">pdf</a>, <a href="https://arxiv.org/ps/1204.1526">ps</a>, <a href="https://arxiv.org/format/1204.1526">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.109.152301">10.1103/PhysRevLett.109.152301 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </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.125.049901">10.1103/PhysRevLett.125.049901 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Evolution of pi^0 suppression in Au+Au collisions from sqrt(s_NN) = 39 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-Ta%27ani%2C+H">H. Al-Ta'ani</a>, <a href="/search/nucl-ex?searchtype=author&query=Alexander%2C+J">J. Alexander</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=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=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>, <a href="/search/nucl-ex?searchtype=author&query=Baublis%2C+V">V. Baublis</a>, <a href="/search/nucl-ex?searchtype=author&query=Baumgart%2C+S">S. Baumgart</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="1204.1526v2-abstract-short" style="display: inline;"> Neutral-pion, pi^0, spectra were measured at midrapidity (|y|<0.35) in Au+Au collisions at sqrt(s_NN) = 39 and 62.4 GeV and compared to earlier measurements at 200 GeV in the 1<p_T<10 GeV/c transverse-momentum (p_T) range. The high-p_T tail is well described by a power law in all cases and the powers decrease significantly with decreasing center-of-mass energy. The change of powers is very similar… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1204.1526v2-abstract-full').style.display = 'inline'; document.getElementById('1204.1526v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1204.1526v2-abstract-full" style="display: none;"> Neutral-pion, pi^0, spectra were measured at midrapidity (|y|<0.35) in Au+Au collisions at sqrt(s_NN) = 39 and 62.4 GeV and compared to earlier measurements at 200 GeV in the 1<p_T<10 GeV/c transverse-momentum (p_T) range. The high-p_T tail is well described by a power law in all cases and the powers decrease significantly with decreasing center-of-mass energy. The change of powers is very similar to that observed in the corresponding p+p-collision spectra. The nuclear-modification factors (R_AA) show significant suppression and a distinct energy dependence at moderate p_T in central collisions. At high p_T, R_AA is similar for 62.4 and 200 GeV at all centralities. Perturbative-quantum-chromodynamics calculations that describe R_AA well at 200 GeV, fail to describe the 39 GeV data, raising the possibility that the relative importance of initial-state effects and soft processes increases at lower energies. A conclusion that the region where hard processes are dominant is reached only at higher p_T, is also supported by the x_T dependence of the x_T-scaling power-law exponent. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1204.1526v2-abstract-full').style.display = 'none'; document.getElementById('1204.1526v2-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 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 April, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2012. </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, 7 pages, 4 figures, and 1 table. v2 is the version accepted by Phys. Rev. Lett. with replacement of Fig. 1 as per Erratum PRL.125.049901. 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. 109, 152301 (2012); Phys. Rev. Lett. 125, 049901 (2020) </p> </li> </ol> <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> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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