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is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Measurement of inclusive jet cross section and substructure in $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=PHENIX+Collaboration"> PHENIX Collaboration</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abdulameer%2C+N+J">N. J. Abdulameer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Acharya%2C+U">U. Acharya</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Antsupov%2C+S">S. Antsupov</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannikov%2C+E">E. Bannikov</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a> , et al. (422 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2408.11144v1-abstract-short" style="display: inline;"> The jet cross-section and jet-substructure observables in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX Collaboration at the Relativistic Heavy Ion Collider (RHIC). Jets are reconstructed from charged-particle tracks and electromagnetic-calorimeter clusters using the anti-$k_{t}$ algorithm with a jet radius $R=0.3$ for jets with transverse momentum within $8.0&lt;p_T&lt;40.0$ Ge&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.11144v1-abstract-full').style.display = 'inline'; document.getElementById('2408.11144v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2408.11144v1-abstract-full" style="display: none;"> The jet cross-section and jet-substructure observables in $p$$+$$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX Collaboration at the Relativistic Heavy Ion Collider (RHIC). Jets are reconstructed from charged-particle tracks and electromagnetic-calorimeter clusters using the anti-$k_{t}$ algorithm with a jet radius $R=0.3$ for jets with transverse momentum within $8.0&lt;p_T&lt;40.0$ GeV/$c$ and pseudorapidity $|畏|&lt;0.15$. Measurements include the jet cross section, as well as distributions of SoftDrop-groomed momentum fraction ($z_g$), charged-particle transverse momentum with respect to jet axis ($j_T$), and radial distributions of charged particles within jets ($r$). Also meaureed was the distribution of $尉=-ln(z)$, where $z$ is the fraction of the jet momentum carried by the charged particle. The measurements are compared to theoretical next-to and next-to-next-to-leading-order calculatios, PYTHIA event generator, and to other existing experimental results. Indicated from these meaurements is a lower particle multiplicity in jets at RHIC energies when compared to models. Also noted are implications for future jet measurements with sPHENIX at RHIC as well as at the future Election-Ion Collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2408.11144v1-abstract-full').style.display = 'none'; document.getElementById('2408.11144v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 August, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">446 authors from 77 institutions, 11 pages, 8 figures. v1 is version submitted to Physical Review D. HEPdata tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.05756">arXiv:2111.05756</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2111.05756">pdf</a>, <a href="https://arxiv.org/format/2111.05756">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.105.064902">10.1103/PhysRevC.105.064902 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Systematic study of nuclear effects in $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV using $蟺^0$ production </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Acharya%2C+U+A">U. A. Acharya</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a> , et al. (529 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2111.05756v2-abstract-short" style="display: inline;"> The PHENIX collaboration presents a systematic study of $蟺^0$ production from $p$$+$$p$, $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Measurements were performed with different centrality selections as well as the total inelastic, 0%--100%, selection for all collision systems. For 0%--100% collisions, the nuclear modification factors, $R_{xA}$, are cons&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.05756v2-abstract-full').style.display = 'inline'; document.getElementById('2111.05756v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.05756v2-abstract-full" style="display: none;"> The PHENIX collaboration presents a systematic study of $蟺^0$ production from $p$$+$$p$, $p$$+$Al, $p$$+$Au, $d$$+$Au, and $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Measurements were performed with different centrality selections as well as the total inelastic, 0%--100%, selection for all collision systems. For 0%--100% collisions, the nuclear modification factors, $R_{xA}$, are consistent with unity for $p_T$ above 8 GeV/$c$, but exhibit an enhancement in peripheral collisions and a suppression in central collisions. The enhancement and suppression characteristics are similar for all systems for the same centrality class. It is shown that for high-$p_T$-$蟺^0$ production, the nucleons in the $d$ and $^3$He interact mostly independently with the Au nucleus and that the counter intuitive centrality dependence is likely due to a physical correlation between multiplicity and the presence of a hard scattering process. These observations disfavor models where parton energy loss has a significant contribution to nuclear modifications in small systems. Nuclear modifications at lower $p_T$ resemble the Cronin effect -- an increase followed by a peak in central or inelastic collisions and a plateau in peripheral collisions. The peak height has a characteristic ordering by system size as $p$$+$Au $&gt;$ $d$$+$Au $&gt;$ $^{3}$He$+$Au $&gt;$ $p$$+$Al. For collisions with Au ions, current calculations based on initial state cold nuclear matter effects result in the opposite order, suggesting the presence of other contributions to nuclear modifications, in particular at lower $p_T$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.05756v2-abstract-full').style.display = 'none'; document.getElementById('2111.05756v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">554 authors from 81 institutions, 21 pages, 13 figures, and 3 tables. Data from 2008, 2014, and 2015. v2 is version accepted for publication in Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 105, 064902 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2009.03838">arXiv:2009.03838</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2009.03838">pdf</a>, <a href="https://arxiv.org/format/2009.03838">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey 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"> New opportunities at the photon energy frontier </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adam%2C+J">Jaroslav Adam</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">Christine Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">Aaron Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Audurier%2C+B">Benjamin Audurier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bertulani%2C+C">Carlos Bertulani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bierlich%2C+C">Christian Bierlich</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Blok%2C+B">Boris Blok</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Brandenburg%2C+J+D">James Daniel Brandenburg</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Brodsky%2C+S">Stanley Brodsky</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bylinkin%2C+A">Aleksandr Bylinkin</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Roman%2C+V+C">Veronica Canoa Roman</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Celiberto%2C+F+G">Francesco Giovanni Celiberto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Cepila%2C+J">Jan Cepila</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Chachamis%2C+G">Grigorios Chachamis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Cole%2C+B">Brian Cole</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Contreras%2C+G">Guillermo Contreras</a>, <a href="/search/hep-ex?searchtype=author&amp;query=d%27Enterria%2C+D">David d&#39;Enterria</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Dumitru%2C+A">Adrian Dumitru</a>, <a href="/search/hep-ex?searchtype=author&amp;query=T%C3%A9llez%2C+A+F">Arturo Fern谩ndez T茅llez</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Frankfurt%2C+L">Leonid Frankfurt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ducati%2C+M+B+G">Maria Beatriz Gay Ducati</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Geurts%2C+F">Frank Geurts</a>, <a href="/search/hep-ex?searchtype=author&amp;query=da+Silveira%2C+G+G">Gustavo Gil da Silveira</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Giuli%2C+F">Francesco Giuli</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Goncalves%2C+V+P">Victor P. Goncalves</a> , et al. (50 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="2009.03838v1-abstract-short" style="display: inline;"> Ultra-peripheral collisions (UPCs) involving heavy ions and protons are the energy frontier for photon-mediated interactions. UPC photons can be used for many purposes, including probing low-$x$ gluons via photoproduction of dijets and vector mesons, probes of beyond-standard-model processes, such as those enabled by light-by-light scattering, and studies of two-photon production of the Higgs. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2009.03838v1-abstract-full" style="display: none;"> Ultra-peripheral collisions (UPCs) involving heavy ions and protons are the energy frontier for photon-mediated interactions. UPC photons can be used for many purposes, including probing low-$x$ gluons via photoproduction of dijets and vector mesons, probes of beyond-standard-model processes, such as those enabled by light-by-light scattering, and studies of two-photon production of the Higgs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2009.03838v1-abstract-full').style.display = 'none'; document.getElementById('2009.03838v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 September, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">Letter of Interest submitted to Snowmass 2021</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2007.14491">arXiv:2007.14491</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2007.14491">pdf</a>, <a href="https://arxiv.org/format/2007.14491">other</a>]&nbsp;</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="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</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/10.1088/1361-6471/abf3ba">10.1088/1361-6471/abf3ba <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Large Hadron-Electron Collider at the HL-LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Agostini%2C+P">P. Agostini</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aksakal%2C+H">H. Aksakal</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alekhin%2C+S">S. Alekhin</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Allport%2C+P+P">P. P. Allport</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andari%2C+N">N. Andari</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andre%2C+K+D+J">K. D. J. Andre</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angal-Kalinin%2C+D">D. Angal-Kalinin</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Antusch%2C+S">S. Antusch</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bella%2C+L+A">L. Aperio Bella</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apolinario%2C+L">L. Apolinario</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apsimon%2C+R">R. Apsimon</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apyan%2C+A">A. Apyan</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Arduini%2C+G">G. Arduini</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ari%2C+V">V. Ari</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armbruster%2C+A">A. Armbruster</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Auchmann%2C+B">B. Auchmann</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aulenbacher%2C+K">K. Aulenbacher</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azuelos%2C+G">G. Azuelos</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Backovic%2C+S">S. Backovic</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bailey%2C+I">I. Bailey</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Balli%2C+F">F. Balli</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behera%2C+S">S. Behera</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behnke%2C+O">O. Behnke</a> , et al. (312 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="2007.14491v2-abstract-short" style="display: inline;"> The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High Luminosity--Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent el&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.14491v2-abstract-full').style.display = 'inline'; document.getElementById('2007.14491v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2007.14491v2-abstract-full" style="display: none;"> The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High Luminosity--Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent electron-proton and proton-proton operation. This report represents an update of the Conceptual Design Report (CDR) of the LHeC, published in 2012. It comprises new results on parton structure of the proton and heavier nuclei, QCD dynamics, electroweak and top-quark physics. It is shown how the LHeC will open a new chapter of nuclear particle physics in extending the accessible kinematic range in lepton-nucleus scattering by several orders of magnitude. Due to enhanced luminosity, large energy and the cleanliness of the hadronic final states, the LHeC has a strong Higgs physics programme and its own discovery potential for new physics. Building on the 2012 CDR, the report represents a detailed updated design of the energy recovery electron linac (ERL) including new lattice, magnet, superconducting radio frequency technology and further components. Challenges of energy recovery are described and the lower energy, high current, 3-turn ERL facility, PERLE at Orsay, is presented which uses the LHeC characteristics serving as a development facility for the design and operation of the LHeC. An updated detector design is presented corresponding to the acceptance, resolution and calibration goals which arise from the Higgs and parton density function physics programmes. The paper also presents novel results on the Future Circular Collider in electron-hadron mode, FCC-eh, which utilises the same ERL technology to further extend the reach of DIS to even higher centre-of-mass energies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.14491v2-abstract-full').style.display = 'none'; document.getElementById('2007.14491v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 April, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">373 pages, many figures, to be published by J. Phys. G</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-ACC-Note-2020-0002 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J.Phys.G 48 (2021) 11, 110501 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.14686">arXiv:2005.14686</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2005.14686">pdf</a>, <a href="https://arxiv.org/format/2005.14686">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.102.064905">10.1103/PhysRevC.102.064905 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Production of $蟺^0$ and $畏$ mesons in U$+$U collisions at $\sqrt{s_{_{NN}}}=192$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Acharya%2C+U">U. Acharya</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Belmont%2C+R">R. Belmont</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Berdnikov%2C+A">A. Berdnikov</a> , et al. (378 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2005.14686v2-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider measured $蟺^0$ and $畏$ mesons at midrapidity in U$+$U collisions at $\sqrt{s_{_{NN}}}=192$ GeV in a wide transverse momentum range. Measurements were performed in the $蟺^0(畏)\rightarrow纬纬$ decay modes. A strong suppression of $蟺^0$ and $畏$ meson production at high transverse momentum was observed in central U$+$U collisions relative to b&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14686v2-abstract-full').style.display = 'inline'; document.getElementById('2005.14686v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.14686v2-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider measured $蟺^0$ and $畏$ mesons at midrapidity in U$+$U collisions at $\sqrt{s_{_{NN}}}=192$ GeV in a wide transverse momentum range. Measurements were performed in the $蟺^0(畏)\rightarrow纬纬$ decay modes. A strong suppression of $蟺^0$ and $畏$ meson production at high transverse momentum was observed in central U$+$U collisions relative to binary scaled $p$$+$$p$ results. Yields of $蟺^0$ and $畏$ mesons measured in U$+$U collisions show similar suppression pattern to the ones measured in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV for similar numbers of participant nucleons. The $畏$/$蟺^0$ ratios do not show dependence on centrality or transverse momentum, and are consistent with previously measured values in hadron-hadron, hadron-nucleus, nucleus-nucleus, and $e^+e^-$ collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14686v2-abstract-full').style.display = 'none'; document.getElementById('2005.14686v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 November, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 May, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">403 authors from 72 institutions, 13 pages, 6 figures, 7 tables, 2012 data. v2 is version accepted by Physical Review C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 102, 064905 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2005.14270">arXiv:2005.14270</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2005.14270">pdf</a>, <a href="https://arxiv.org/format/2005.14270">other</a>]&nbsp;</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/hep-ex?searchtype=author&amp;query=Acharya%2C+U">U. Acharya</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;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$$+$Au collisions, indicating that cold nuclear matter effects are small or absent. Hadrons carrying a large fraction o&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2005.14270v2-abstract-full').style.display = 'inline'; document.getElementById('2005.14270v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2005.14270v2-abstract-full" style="display: none;"> We present direct photon-hadron correlations in 200 GeV/A Au$+$Au, $d$$+$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$$+$Au collisions, indicating that cold nuclear matter effects are small or absent. Hadrons carrying a large fraction of the quark&#39;s momentum are suppressed in Au$+$Au compared to $p$$+$$p$ and $d$$+$Au. As the momentum fraction decreases, the yield of hadrons in Au$+$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';">&#9651; 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/1805.04389">arXiv:1805.04389</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1805.04389">pdf</a>, <a href="https://arxiv.org/format/1805.04389">other</a>]&nbsp;</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> </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.98.054903">10.1103/PhysRevC.98.054903 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Production of $蟺^0$ and $畏$ mesons in Cu$+$Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Beaumier%2C+M">M. Beaumier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Belmont%2C+R">R. Belmont</a> , et al. (380 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="1805.04389v2-abstract-short" style="display: inline;"> Production of $蟺^0$ and $畏$ mesons has been measured at midrapidity in Cu$+$Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV. Measurements were performed in $蟺^0(畏)\rightarrow纬纬$ decay channel in the 1(2)-20 GeV/$c$ transverse momentum range. A strong suppression is observed for $蟺^0$ and $畏$ meson production at high transverse momentum in central Cu$+$Au collisions relative to the $p$$+$$p$ results sc&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.04389v2-abstract-full').style.display = 'inline'; document.getElementById('1805.04389v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1805.04389v2-abstract-full" style="display: none;"> Production of $蟺^0$ and $畏$ mesons has been measured at midrapidity in Cu$+$Au collisions at $\sqrt{s_{_{NN}}}$=200 GeV. Measurements were performed in $蟺^0(畏)\rightarrow纬纬$ decay channel in the 1(2)-20 GeV/$c$ transverse momentum range. A strong suppression is observed for $蟺^0$ and $畏$ meson production at high transverse momentum in central Cu$+$Au collisions relative to the $p$$+$$p$ results scaled by the number of nucleon-nucleon collisions. In central collisions the suppression is similar to Au$+$Au with comparable nuclear overlap. The $畏/蟺^0$ ratio measured as a function of transverse momentum is consistent with $m_T$-scaling parameterization down to $p_T=$2 GeV/$c$, its asymptotic value is constant and consistent with Au$+$Au and $p$$+$$p$ and does not show any significant dependence on collision centrality. Similar results were obtained in hadron-hadron, hadron-nucleus, and nucleus-nucleus collisions as well as in $e^+e^-$ collisions in a range of collision energies $\sqrt{s_{_{NN}}}=$3--1800 GeV. This suggests that the quark-gluon-plasma medium produced in Cu$+$Cu collisions either does not affect the jet fragmentation into light mesons or it affects the $蟺^0$ and $畏$ the same way. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.04389v2-abstract-full').style.display = 'none'; document.getElementById('1805.04389v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 November, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 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">404 authors from 72 institutions, 11 pages, 7 figures, 3 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. C 98, 054903 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1805.04084">arXiv:1805.04084</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1805.04084">pdf</a>, <a href="https://arxiv.org/format/1805.04084">other</a>]&nbsp;</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/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Jamel%2C+A">A. Al-Jamel</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;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 ($0.4&lt;p_T&lt;3$ 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&hellip; <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';">&#9661; 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 ($0.4&lt;p_T&lt;3$ 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 ($&gt;$1\,GeV/$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 $p_T$ ($&gt;5$\,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';">&#9651; 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/1805.04066">arXiv:1805.04066</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1805.04066">pdf</a>, <a href="https://arxiv.org/format/1805.04066">other</a>]&nbsp;</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.98.054902">10.1103/PhysRevC.98.054902 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Low-momentum direct photon measurement in Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a> , et al. (426 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="1805.04066v3-abstract-short" style="display: inline;"> We have measured direct photons for $p_T&lt;5~$GeV/$c$ in minimum bias and 0\%--40\% most central events at midrapidity for Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The $e^{+}e^{-}$ contribution from quasi-real direct virtual photons has been determined as an excess over the known hadronic contributions in the $e^{+}e^{-}$ mass distribution. A clear enhancement of photons over the binary sca&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.04066v3-abstract-full').style.display = 'inline'; document.getElementById('1805.04066v3-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1805.04066v3-abstract-full" style="display: none;"> We have measured direct photons for $p_T&lt;5~$GeV/$c$ in minimum bias and 0\%--40\% most central events at midrapidity for Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The $e^{+}e^{-}$ contribution from quasi-real direct virtual photons has been determined as an excess over the known hadronic contributions in the $e^{+}e^{-}$ mass distribution. A clear enhancement of photons over the binary scaled $p$$+$$p$ fit is observed for $p_T&lt;4$ GeV/$c$ in Cu$+$Cu data. The $p_T$ spectra are consistent with the Au$+$Au data covering a similar number of participants. The inverse slopes of the exponential fits to the excess after subtraction of the $p$$+$$p$ baseline are 285$\pm$53(stat)$\pm$57(syst)~MeV/$c$ and 333$\pm$72(stat)$\pm$45(syst)~MeV/$c$ for minimum bias and 0\%--40\% most central events, respectively. The rapidity density, $dN/dy$, of photons demonstrates the same power law as a function of $dN_{\rm ch}/d畏$ observed in Au$+$Au at the same collision energy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.04066v3-abstract-full').style.display = 'none'; document.getElementById('1805.04066v3-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 October, 2018; <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">453 authors from 74 institutions, 12 pages, 8 figures, 2 tables. v3 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 98, 054902 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1804.04181">arXiv:1804.04181</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1804.04181">pdf</a>, <a href="https://arxiv.org/format/1804.04181">other</a>]&nbsp;</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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.98.032007">10.1103/PhysRevD.98.032007 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross section and longitudinal single-spin asymmetry $A_L$ for forward $W^{\pm}\rightarrow渭^{\pm}谓$ production in polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumgart%2C+S">S. Baumgart</a> , et al. (405 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1804.04181v2-abstract-short" style="display: inline;"> We have measured the cross section and single spin asymmetries from forward $W^{\pm}\rightarrow渭^{\pm}谓$ production in longitudinally polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV using the PHENIX detector at the Relativistic Heavy Ion Collider. The cross sections are consistent with previous measurements at this collision energy, while the most forward and backward longitudinal single spin&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.04181v2-abstract-full').style.display = 'inline'; document.getElementById('1804.04181v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1804.04181v2-abstract-full" style="display: none;"> We have measured the cross section and single spin asymmetries from forward $W^{\pm}\rightarrow渭^{\pm}谓$ production in longitudinally polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV using the PHENIX detector at the Relativistic Heavy Ion Collider. The cross sections are consistent with previous measurements at this collision energy, while the most forward and backward longitudinal single spin asymmetries provide new insights into the sea quark helicities in the proton. The charge of the W bosons provides a natural flavor separation of the participating partons. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1804.04181v2-abstract-full').style.display = 'none'; document.getElementById('1804.04181v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 April, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">431 authors, 14 pages, 9 figures, 3 tables. v2 is version accepted for publication in 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 98, 032007 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1803.01749">arXiv:1803.01749</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1803.01749">pdf</a>, <a href="https://arxiv.org/ps/1803.01749">ps</a>, <a href="https://arxiv.org/format/1803.01749">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.99.054903">10.1103/PhysRevC.99.054903 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of two-particle correlations with respect to second- and third-order event planes in Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a> , et al. (432 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="1803.01749v2-abstract-short" style="display: inline;"> We present measurements of azimuthal correlations of charged hadron pairs in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions for the trigger and associated particle transverse-momentum ranges of $1&lt;p_T^t&lt;10$~GeV/$c$ and $0.5&lt;p_T^a&lt;10$~GeV/$c$. After subtraction of an underlying event using a model that includes higher-order azimuthal anisotropy $v_2$, $v_3$, and $v_4$, the away-side yield of the hig&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.01749v2-abstract-full').style.display = 'inline'; document.getElementById('1803.01749v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1803.01749v2-abstract-full" style="display: none;"> We present measurements of azimuthal correlations of charged hadron pairs in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions for the trigger and associated particle transverse-momentum ranges of $1&lt;p_T^t&lt;10$~GeV/$c$ and $0.5&lt;p_T^a&lt;10$~GeV/$c$. After subtraction of an underlying event using a model that includes higher-order azimuthal anisotropy $v_2$, $v_3$, and $v_4$, the away-side yield of the highest trigger-\pt ($p_T^t&gt;4$~GeV/$c$) correlations is suppressed compared to that of correlations measured in $p$$+$$p$ collisions. At the lowest associated particle $p_T$ ($0.5&lt;p_T^a&lt;1$ GeV/$c$), the away-side shape and yield are modified relative to those in $p$$+$$p$ collisions. These observations are consistent with the scenario of radiative-jet energy loss. For the low-$p_T$ trigger correlations ($2&lt;p_T^t&lt;4$ GeV/$c$), a finite away-side yield exists and we explore the dependence of the shape of the away-side within the context of an underlying-event model. Correlations are also studied differentially versus event-plane angle $唯_2$ and $唯_3$. The angular correlations show an asymmetry when selecting the sign of the difference between the trigger-particle azimuthal angle and the $唯_2$ event plane. This asymmetry and the measured suppression of the pair yield out of plane is consistent with a path-length-dependent energy loss. No $唯_3$ dependence can be resolved within experimental uncertainties. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1803.01749v2-abstract-full').style.display = 'none'; document.getElementById('1803.01749v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 April, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 March, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">457 authors, 36 pages, 34 figures, 1 table, 2007 data. v2 is version accepted for publication in Phys. Rev. C. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 99, 054903 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1711.09003">arXiv:1711.09003</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1711.09003">pdf</a>, <a href="https://arxiv.org/format/1711.09003">other</a>]&nbsp;</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.98.014912">10.1103/PhysRevC.98.014912 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of emission angle anisotropy via long-range angular correlations with high $p_T$ hadrons in $d$$+$Au and $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a> , et al. (449 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="1711.09003v2-abstract-short" style="display: inline;"> We present measurements of two-particle angular correlations between high-transverse-momentum ($2&lt;p_T&lt;11$ GeV/$c$) $蟺^0$ observed at midrapidity ($|畏|&lt;0.35$) and particles produced either at forward ($3.1&lt;畏&lt;3.9$) or backward ($-3.7&lt;畏&lt;-3.1$) rapidity in $d$$+$Au and $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The azimuthal angle correlations for particle pairs with this large rapidity gap i&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.09003v2-abstract-full').style.display = 'inline'; document.getElementById('1711.09003v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1711.09003v2-abstract-full" style="display: none;"> We present measurements of two-particle angular correlations between high-transverse-momentum ($2&lt;p_T&lt;11$ GeV/$c$) $蟺^0$ observed at midrapidity ($|畏|&lt;0.35$) and particles produced either at forward ($3.1&lt;畏&lt;3.9$) or backward ($-3.7&lt;畏&lt;-3.1$) rapidity in $d$$+$Au and $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. The azimuthal angle correlations for particle pairs with this large rapidity gap in the Au-going direction exhibit a ridge-like structure that persists up to $p_T{\approx}6$ GeV/$c$ and which strongly depends on collision centrality, which is a similar characteristic to the hydrodynamical particle flow in A+A collisions. The ridge-like structure is absent in the $d$-going direction as well as in $p$$+$$p$ collisions, in the transverse-momentum range studied. The results indicate that the ridge-like structure is shifted in the Au-going direction toward more central collisions, similar to the charged-particle pseudorapidity distributions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.09003v2-abstract-full').style.display = 'none'; document.getElementById('1711.09003v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 July, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 November, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">474 authors, 18 pages, 13 figures, 1 table. v2 is version accepted for publication in Phys. Rev. C Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. C 98, 014912 (2018) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.09333">arXiv:1703.09333</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1703.09333">pdf</a>, <a href="https://arxiv.org/format/1703.09333">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.112001">10.1103/PhysRevD.95.112001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross section and transverse single-spin asymmetry of muons from open heavy-flavor decays in polarized $p$+$p$ collisions at $\sqrt{s}=200$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bagoly%2C+A">A. Bagoly</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Beaumier%2C+M">M. Beaumier</a> , et al. (412 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1703.09333v2-abstract-short" style="display: inline;"> The cross section and transverse single-spin asymmetries of $渭^{-}$ and $渭^{+}$ from open heavy-flavor decays in polarized $p$+$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX experiment during 2012 at the Relativistic Heavy Ion Collider. Because heavy-flavor production is dominated by gluon-gluon interactions at $\sqrt{s}=200$ GeV, these measurements offer a unique opportunity to&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.09333v2-abstract-full').style.display = 'inline'; document.getElementById('1703.09333v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.09333v2-abstract-full" style="display: none;"> The cross section and transverse single-spin asymmetries of $渭^{-}$ and $渭^{+}$ from open heavy-flavor decays in polarized $p$+$p$ collisions at $\sqrt{s}=200$ GeV were measured by the PHENIX experiment during 2012 at the Relativistic Heavy Ion Collider. Because heavy-flavor production is dominated by gluon-gluon interactions at $\sqrt{s}=200$ GeV, these measurements offer a unique opportunity to obtain information on the trigluon correlation functions. The measurements are performed at forward and backward rapidity ($1.4&lt;|y|&lt;2.0$) over the transverse momentum range of $1.25&lt;p_T&lt;7$ GeV/$c$ for the cross section and $1.25&lt;p_T&lt;5$ GeV/$c$ for the asymmetry measurements. The obtained cross section is compared to a fixed-order-plus-next-to-leading-log perturbative-quantum-chromodynamics calculation. The asymmetry results are consistent with zero within uncertainties, and a model calculation based on twist-3 three-gluon correlations agrees with the data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.09333v2-abstract-full').style.display = 'none'; document.getElementById('1703.09333v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">437 authors, 15 pages, 9 figures, 7 tables, 2015 data. v2 is version accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 112001 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1701.01342">arXiv:1701.01342</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1701.01342">pdf</a>, <a href="https://arxiv.org/ps/1701.01342">ps</a>, <a href="https://arxiv.org/format/1701.01342">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.092002">10.1103/PhysRevD.95.092002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of $B \rightarrow J/蠄$ at forward rapidity in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Attila%2C+A">A. Attila</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Beaumier%2C+M">M. Beaumier</a> , et al. (406 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1701.01342v2-abstract-short" style="display: inline;"> We report the first measurement of the fraction of $J/蠄$ mesons coming from $B$-meson decay ($F_{B{\rightarrow}J/蠄}$) in $p$+$p$ collisions at $\sqrt{s}=$ 510 GeV. The measurement is performed using the forward silicon vertex detector and central vertex detector at PHENIX, which provide precise tracking and distance-of-closest-approach determinations, enabling the statistical separation of $J/蠄$ d&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1701.01342v2-abstract-full').style.display = 'inline'; document.getElementById('1701.01342v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1701.01342v2-abstract-full" style="display: none;"> We report the first measurement of the fraction of $J/蠄$ mesons coming from $B$-meson decay ($F_{B{\rightarrow}J/蠄}$) in $p$+$p$ collisions at $\sqrt{s}=$ 510 GeV. The measurement is performed using the forward silicon vertex detector and central vertex detector at PHENIX, which provide precise tracking and distance-of-closest-approach determinations, enabling the statistical separation of $J/蠄$ due to $B$-meson decays from prompt $J/蠄$. The measured value of $F_{B{\rightarrow}J/蠄}$ is 8.1\%$\pm$2.3\% (stat)$\pm$1.9\% (syst) for $J/蠄$ with transverse momenta $0&lt;p_T&lt;5$ GeV/$c$ and rapidity $1.2&lt;|y|&lt;2.2$. The measured fraction $F_{B{\rightarrow}J/蠄}$ at PHENIX is compared to values measured by other experiments at higher center of mass energies and to fixed-order-next-to-leading-logarithm and color-evaporation-model predictions. The $b\bar{b}$ cross section per unit rapidity ($d蟽/dy(pp{\rightarrow}b\bar{b})$) extracted from the obtained $F_{B{\rightarrow}J/蠄}$ and the PHENIX inclusive $J/蠄$ cross section measured at 200 GeV scaled with color-evaporation-model calculations, at the mean $B$ hadron rapidity $y={\pm}1.7$ in 510 GeV $p$$+$$p$ collisions, is $3.63^{+1.92}_{-1.70}渭$b, and it is consistent with the fixed-order-next-to-leading-logarithm calculations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1701.01342v2-abstract-full').style.display = 'none'; document.getElementById('1701.01342v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 April, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 January, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">431 authors, 17 pages, 11 figures, 4 tables, 2012 data. v2 is version accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 092002 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1609.04769">arXiv:1609.04769</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1609.04769">pdf</a>, <a href="https://arxiv.org/format/1609.04769">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.072002">10.1103/PhysRevD.95.072002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in $p$$+$$p$ collisions at $\sqrt{s}$=510 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrieux%2C+V">V. Andrieux</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ayuso%2C+C">C. Ayuso</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a> , et al. (442 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1609.04769v2-abstract-short" style="display: inline;"> Dihadron and isolated direct photon-hadron angular correlations are measured in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. Correlations of charged hadrons of $0.7&lt;p_T&lt;10$ GeV/$c$ with $蟺^0$ mesons of $4&lt;p_T&lt;15$ GeV/$c$ or isolated direct photons of $7&lt;p_T&lt;15$ GeV/$c$ are used to study nonperturbative effects generated by initial-state partonic transverse momentum and final-state transverse moment&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.04769v2-abstract-full').style.display = 'inline'; document.getElementById('1609.04769v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1609.04769v2-abstract-full" style="display: none;"> Dihadron and isolated direct photon-hadron angular correlations are measured in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV. Correlations of charged hadrons of $0.7&lt;p_T&lt;10$ GeV/$c$ with $蟺^0$ mesons of $4&lt;p_T&lt;15$ GeV/$c$ or isolated direct photons of $7&lt;p_T&lt;15$ GeV/$c$ are used to study nonperturbative effects generated by initial-state partonic transverse momentum and final-state transverse momentum from fragmentation. The nonperturbative behavior is characterized by measuring the out-of-plane transverse momentum component $p_{\rm out}$ perpendicular to the axis of the trigger particle, which is the high-$p_T$ direct photon or $蟺^0$. Nonperturbative evolution effects are extracted from Gaussian fits to the away-side inclusive-charged-hadron yields for different trigger-particle transverse momenta ($p_T^{\rm trig}$). The Gaussian widths and root mean square of $p_{\rm out}$ are reported as a function of the interaction hard scale $p_T^{\rm trig}$ to investigate possible transverse-momentum-dependent evolution differences between the $蟺^0$-h$^\pm$ and direct photon-h$^\pm$ correlations and factorization breaking effects. The widths are found to decrease with $p_T^{\rm trig}$, which indicates that the Collins-Soper-Sterman soft factor is not driving the evolution with the hard scale in nearly back-to-back dihadron and direct photon-hadron production in $p$$+$$p$ collisions. This behavior is in contrast to Drell-Yan and semi-inclusive deep-inelastic scattering measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1609.04769v2-abstract-full').style.display = 'none'; document.getElementById('1609.04769v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 February, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 September, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">467 authors, 20 pages, 15 figures, 1 table. Accepted for publication by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 072002 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1510.02317">arXiv:1510.02317</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1510.02317">pdf</a>, <a href="https://arxiv.org/ps/1510.02317">ps</a>, <a href="https://arxiv.org/format/1510.02317">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.93.011501">10.1103/PhysRevD.93.011501 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Inclusive cross section and double-helicity asymmetry for $蟺^{0}$ production at midrapidity in $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bazilevsky%2C+A">A. Bazilevsky</a> , et al. (388 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1510.02317v2-abstract-short" style="display: inline;"> PHENIX measurements are presented for the cross section and double-helicity asymmetry ($A_{LL}$) in inclusive $蟺^0$ production at midrapidity from $p$$+$$p$ collisions at $\sqrt{s}=510$~GeV from data taken in 2012 and 2013 at the Relativistic Heavy Ion Collider. The next-to-leading-order perturbative-quantum-chromodynamics theory calculation is in excellent agreement with the presented cross secti&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.02317v2-abstract-full').style.display = 'inline'; document.getElementById('1510.02317v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1510.02317v2-abstract-full" style="display: none;"> PHENIX measurements are presented for the cross section and double-helicity asymmetry ($A_{LL}$) in inclusive $蟺^0$ production at midrapidity from $p$$+$$p$ collisions at $\sqrt{s}=510$~GeV from data taken in 2012 and 2013 at the Relativistic Heavy Ion Collider. The next-to-leading-order perturbative-quantum-chromodynamics theory calculation is in excellent agreement with the presented cross section results. The calculation utilized parton-to-pion fragmentation functions from the recent DSS14 global analysis, which prefer a smaller gluon-to-pion fragmentation function. The $蟺^{0}A_{LL}$ results follow an increasingly positive asymmetry trend with $p_T$ and $\sqrt{s}$ with respect to the predictions and are in excellent agreement with the latest global analysis results. This analysis incorporated earlier results on $蟺^0$ and jet $A_{LL}$, and suggested a positive contribution of gluon polarization to the spin of the proton $螖G$ for the gluon momentum fraction range $x&gt;0.05$. The data presented here extend to a currently unexplored region, down to $x\sim0.01$, and thus provide additional constraints on the value of $螖G$. The results confirm the evidence for nonzero $螖G$ using a different production channel in a complementary kinematic region. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1510.02317v2-abstract-full').style.display = 'none'; document.getElementById('1510.02317v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">413 authors, 8 pages, 4 figures. v2 is version accepted as PRD Rapid Communication. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 011501 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1507.06273">arXiv:1507.06273</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1507.06273">pdf</a>, <a href="https://arxiv.org/format/1507.06273">other</a>]&nbsp;</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/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrews%2C+K+R">K. R. Andrews</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appelt%2C+E">E. Appelt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;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$$+$$p$ collisions and indicate that collective effects dominate the second and third Fourier components for the&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1507.06273v2-abstract-full').style.display = 'inline'; document.getElementById('1507.06273v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1507.06273v2-abstract-full" style="display: none;"> We present the first measurement of elliptic ($v_2$) and triangular ($v_3$) flow in high-multiplicity $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in $^{3}$He$+$Au and in $p$$+$$p$ collisions and indicate that collective effects dominate the second and third Fourier components for the correlations observed in the $^{3}$He$+$Au system. The collective behavior is quantified in terms of elliptic $v_2$ and triangular $v_3$ anisotropy coefficients measured with respect to their corresponding event planes. The $v_2$ values are comparable to those previously measured in $d$$+$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';">&#9651; 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/1504.07451">arXiv:1504.07451</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1504.07451">pdf</a>, <a href="https://arxiv.org/format/1504.07451">other</a>]&nbsp;</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> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.93.051103">10.1103/PhysRevD.93.051103 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of parity-violating spin asymmetries in W$^{\pm}$ production at midrapidity in longitudinally polarized $p$$+$$p$ collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumann%2C+C">C. Baumann</a> , et al. (426 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="1504.07451v2-abstract-short" style="display: inline;"> We present measurements from the PHENIX experiment of large parity-violating single spin asymmetries of high transverse momentum electrons and positrons from $W^\pm/Z$ decays, produced in longitudinally polarized $p$$+$$p$ collisions at center of mass energies of $\sqrt{s}$=500 and 510~GeV. These asymmetries allow direct access to the anti-quark polarized parton distribution functions due to the p&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.07451v2-abstract-full').style.display = 'inline'; document.getElementById('1504.07451v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1504.07451v2-abstract-full" style="display: none;"> We present measurements from the PHENIX experiment of large parity-violating single spin asymmetries of high transverse momentum electrons and positrons from $W^\pm/Z$ decays, produced in longitudinally polarized $p$$+$$p$ collisions at center of mass energies of $\sqrt{s}$=500 and 510~GeV. These asymmetries allow direct access to the anti-quark polarized parton distribution functions due to the parity-violating nature of the $W$-boson coupling to quarks and anti-quarks. The results presented are based on data collected in 2011, 2012, and 2013 with an integrated luminosity of 240 pb$^{-1}$, which exceeds previous PHENIX published results by a factor of more than 27. These high $Q^2$ data provide an important addition to our understanding of anti-quark parton helicity distribution functions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.07451v2-abstract-full').style.display = 'none'; document.getElementById('1504.07451v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 April, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">451 authors, 8 pages, 3 figures, 2 tables. v2 is version accepted by Phys. Rev. D for publication 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. D 93, 051103 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1409.7381">arXiv:1409.7381</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1409.7381">pdf</a>, <a href="https://arxiv.org/format/1409.7381">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.93.011902">10.1103/PhysRevC.93.011902 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Evidence for x-dependent proton color fluctuations in pA collisions at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Alvioli%2C+M">Massimiliano Alvioli</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Cole%2C+B">Brian Cole</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Frankfurt%2C+L">Leonid Frankfurt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Perepelitsa%2C+D">Dennis Perepelitsa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Strikman%2C+M">Mark Strikman</a> </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="1409.7381v4-abstract-short" style="display: inline;"> We argue that the pattern of the deviation from the Glauber approximation prediction for the centrality dependence of the rate of forward jet production observed in pA collisions at the LHC provides the first experimental evidence that parton configurations in the projectile proton containing a parton with large $x$ interact with a nuclear target with a significantly smaller than average cross sec&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.7381v4-abstract-full').style.display = 'inline'; document.getElementById('1409.7381v4-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1409.7381v4-abstract-full" style="display: none;"> We argue that the pattern of the deviation from the Glauber approximation prediction for the centrality dependence of the rate of forward jet production observed in pA collisions at the LHC provides the first experimental evidence that parton configurations in the projectile proton containing a parton with large $x$ interact with a nuclear target with a significantly smaller than average cross section and have smaller than average size. We implement the effects of fluctuations of the interaction strength and, using the ATLAS analysis of how hadron production at backward rapidities depends on the number of wounded nucleons, make quantitative predictions for the centrality dependence of the jet production rate as a function of the $x$-dependent interaction strength $蟽(x)$. We find that 蟽(x)\sim 0.6 ~蟽_{tot}(pp) gives a good description of the x=0.6 data and may shed a light on the origin of the EMC effect. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1409.7381v4-abstract-full').style.display = 'none'; document.getElementById('1409.7381v4-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 January, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 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">5 pages, 4 figures, few minor typos corrected, final version published in Phys.Rev.C, Rapid Communications</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, 011902 (2016) </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>&nbsp;[<a href="https://arxiv.org/pdf/1409.1907">pdf</a>, <a href="https://arxiv.org/format/1409.1907">other</a>]&nbsp;</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/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrews%2C+K+R">K. R. Andrews</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appelt%2C+E">E. Appelt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;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 ($5&lt;p_T&lt;13$ GeV/$c$), together with the double-helicity asymmetries ($5&lt;p_T&lt;12$ 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&hellip; <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';">&#9661; 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 ($5&lt;p_T&lt;13$ GeV/$c$), together with the double-helicity asymmetries ($5&lt;p_T&lt;12$ 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';">&#9651; 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/1406.3541">arXiv:1406.3541</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1406.3541">pdf</a>, <a href="https://arxiv.org/format/1406.3541">other</a>]&nbsp;</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.90.072008">10.1103/PhysRevD.90.072008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross Section and Transverse Single-Spin Asymmetry of $畏$ Mesons in $p^{\uparrow}+p$ Collisions at $\sqrt{s}=200$ GeV at Forward Rapidity </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a> , et al. (460 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="1406.3541v2-abstract-short" style="display: inline;"> We present a measurement of the cross section and transverse single-spin asymmetry ($A_N$) for $畏$ mesons at large pseudorapidity from $\sqrt{s}=200$~GeV $p^{\uparrow}+p$ collisions. The measured cross section for $0.5&lt;p_T&lt;5.0$~GeV/$c$ and $3.0&lt;|畏|&lt;3.8$ is well described by a next-to-leading-order perturbative-quantum-chromodynamics calculation. The asymmetries $A_N$ have been measured as a functi&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.3541v2-abstract-full').style.display = 'inline'; document.getElementById('1406.3541v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1406.3541v2-abstract-full" style="display: none;"> We present a measurement of the cross section and transverse single-spin asymmetry ($A_N$) for $畏$ mesons at large pseudorapidity from $\sqrt{s}=200$~GeV $p^{\uparrow}+p$ collisions. The measured cross section for $0.5&lt;p_T&lt;5.0$~GeV/$c$ and $3.0&lt;|畏|&lt;3.8$ is well described by a next-to-leading-order perturbative-quantum-chromodynamics calculation. The asymmetries $A_N$ have been measured as a function of Feynman-$x$ ($x_F$) from $0.2&lt;|x_{F}|&lt;0.7$, as well as transverse momentum ($p_T$) from $1.0&lt;p_T&lt;4.5$~GeV/$c$. The asymmetry averaged over positive $x_F$ is $\langle{A_{N}}\rangle=0.061{\pm}0.014$. The results are consistent with prior transverse single-spin measurements of forward $畏$ and $蟺^{0}$ mesons at various energies in overlapping $x_F$ ranges. Comparison of different particle species can help to determine the origin of the large observed asymmetries in $p^{\uparrow}+p$ collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.3541v2-abstract-full').style.display = 'none'; document.getElementById('1406.3541v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 June, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">484 authors, 13 pages, 11 figures, 4 tables, 2008 data. v2 is version accepted by Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be)publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> </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>&nbsp;[<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>]&nbsp;</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/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alfred%2C+M">M. Alfred</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrews%2C+K+R">K. R. Andrews</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appelt%2C+E">E. Appelt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N+S">N. S. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;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 ($1.2&lt;|y|&lt;2.2$) 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&hellip; <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';">&#9661; 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 ($1.2&lt;|y|&lt;2.2$) 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 $1&lt;p_T&lt;7$ GeV/$c$ and $1.2&lt;|y|&lt;2.2$: $d蟽/dy(蠅+蟻\rightarrow渭渭) = 80 \pm 6 \mbox{(stat)} \pm 12 \mbox{(syst)}$ 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';">&#9651; 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/1402.6296">arXiv:1402.6296</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1402.6296">pdf</a>, <a href="https://arxiv.org/format/1402.6296">other</a>]&nbsp;</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/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrews%2C+K+R">K. R. Andrews</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appelt%2C+E">E. Appelt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;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&hellip; <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';">&#9661; 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 $0.05&lt;x&lt;0.2$, 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';">&#9651; 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/1312.1995">arXiv:1312.1995</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1312.1995">pdf</a>, <a href="https://arxiv.org/ps/1312.1995">ps</a>, <a href="https://arxiv.org/format/1312.1995">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at $\sqrt{s}=$200 and 62.4 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a> , et al. (426 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="1312.1995v1-abstract-short" style="display: inline;"> Measurements of transverse-single-spin asymmetries ($A_{N}$) in $p$$+$$p$ collisions at $\sqrt{s}=$62.4 and 200 GeV with the PHENIX detector at RHIC are presented. At midrapidity, $A_{N}$ is measured for neutral pion and eta mesons reconstructed from diphoton decay, and at forward rapidities, neutral pions are measured using both diphotons and electromagnetic clusters. The neutral-pion measurement&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.1995v1-abstract-full').style.display = 'inline'; document.getElementById('1312.1995v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1312.1995v1-abstract-full" style="display: none;"> Measurements of transverse-single-spin asymmetries ($A_{N}$) in $p$$+$$p$ collisions at $\sqrt{s}=$62.4 and 200 GeV with the PHENIX detector at RHIC are presented. At midrapidity, $A_{N}$ is measured for neutral pion and eta mesons reconstructed from diphoton decay, and at forward rapidities, neutral pions are measured using both diphotons and electromagnetic clusters. The neutral-pion measurement of $A_{N}$ at midrapidity is consistent with zero with uncertainties a factor of 20 smaller than previous publications, which will lead to improved constraints on the gluon Sivers function. At higher rapidities, where the valence quark distributions are probed, the data exhibit sizable asymmetries. In comparison with previous measurements in this kinematic region, the new data extend the kinematic coverage in $\sqrt{s}$ and $p_T$, and it is found that the asymmetries depend only weakly on $\sqrt{s}$. The origin of the forward $A_{N}$ is presently not understood quantitatively. The extended reach to higher $p_T$ probes the transition between transverse momentum dependent effects at low $p_T$ and multi-parton dynamics at high $p_T$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1312.1995v1-abstract-full').style.display = 'none'; document.getElementById('1312.1995v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 December, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">451 authors, 16 pages, 11 figures, and 10 tables. Submitted to Phys. Rev. D. Plain text data tables 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/1211.5102">arXiv:1211.5102</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1211.5102">pdf</a>, <a href="https://arxiv.org/format/1211.5102">other</a>]&nbsp;</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="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> On the Relation of the LHeC and the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Fernandez%2C+J+L+A">J. L. Abelleira Fernandez</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adolphsen%2C+C">C. Adolphsen</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adzic%2C+P">P. Adzic</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akay%2C+A+N">A. N. Akay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aksakal%2C+H">H. Aksakal</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Albacete%2C+J+L">J. L. Albacete</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Allanach%2C+B">B. Allanach</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alekhin%2C+S">S. Alekhin</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Allport%2C+P">P. Allport</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andreev%2C+V">V. Andreev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Arikan%2C+E">E. Arikan</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azuelos%2C+G">G. Azuelos</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barber%2C+D">D. Barber</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bartels%2C+J">J. Bartels</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behnke%2C+O">O. Behnke</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behr%2C+J">J. Behr</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Belyaev%2C+A+S">A. S. Belyaev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ben-Zvi%2C+I">I. Ben-Zvi</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bernard%2C+N">N. Bernard</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bettoni%2C+S">S. Bettoni</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Biswal%2C+S">S. Biswal</a> , et al. (184 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="1211.5102v2-abstract-short" style="display: inline;"> The present note relies on the recently published conceptual design report of the LHeC and extends the first contribution to the European strategy debate in emphasising the role of the LHeC to complement and complete the high luminosity LHC programme. The brief discussion therefore focuses on the importance of high precision PDF and $伪_s$ determinations for the physics beyond the Standard Model (G&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.5102v2-abstract-full').style.display = 'inline'; document.getElementById('1211.5102v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.5102v2-abstract-full" style="display: none;"> The present note relies on the recently published conceptual design report of the LHeC and extends the first contribution to the European strategy debate in emphasising the role of the LHeC to complement and complete the high luminosity LHC programme. The brief discussion therefore focuses on the importance of high precision PDF and $伪_s$ determinations for the physics beyond the Standard Model (GUTs, SUSY, Higgs). Emphasis is also given to the importance of high parton density phenomena in nuclei and their relevance to the heavy ion physics programme at the LHC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.5102v2-abstract-full').style.display = 'none'; document.getElementById('1211.5102v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 January, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2012. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1211.4831">arXiv:1211.4831</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1211.4831">pdf</a>, <a href="https://arxiv.org/format/1211.4831">other</a>]&nbsp;</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="Accelerator Physics">physics.acc-ph</span> </div> </div> <p class="title is-5 mathjax"> A Large Hadron Electron Collider at CERN </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Fernandez%2C+J+L+A">J. L. Abelleira Fernandez</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adolphsen%2C+C">C. Adolphsen</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adzic%2C+P">P. Adzic</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akay%2C+A+N">A. N. Akay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aksakal%2C+H">H. Aksakal</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Albacete%2C+J+L">J. L. Albacete</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Allanach%2C+B">B. Allanach</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alekhin%2C+S">S. Alekhin</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Allport%2C+P">P. Allport</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andreev%2C+V">V. Andreev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Arikan%2C+E">E. Arikan</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azuelos%2C+G">G. Azuelos</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barber%2C+D">D. Barber</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bartels%2C+J">J. Bartels</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behnke%2C+O">O. Behnke</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behr%2C+J">J. Behr</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Belyaev%2C+A+S">A. S. Belyaev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ben-Zvi%2C+I">I. Ben-Zvi</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bernard%2C+N">N. Bernard</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bettoni%2C+S">S. Bettoni</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Biswal%2C+S">S. Biswal</a> , et al. (184 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="1211.4831v2-abstract-short" style="display: inline;"> This document provides a brief overview of the recently published report on the design of the Large Hadron Electron Collider (LHeC), which comprises its physics programme, accelerator physics, technology and main detector concepts. The LHeC exploits and develops challenging, though principally existing, accelerator and detector technologies. This summary is complemented by brief illustrations of s&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.4831v2-abstract-full').style.display = 'inline'; document.getElementById('1211.4831v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.4831v2-abstract-full" style="display: none;"> This document provides a brief overview of the recently published report on the design of the Large Hadron Electron Collider (LHeC), which comprises its physics programme, accelerator physics, technology and main detector concepts. The LHeC exploits and develops challenging, though principally existing, accelerator and detector technologies. This summary is complemented by brief illustrations of some of the highlights of the physics programme, which relies on a vastly extended kinematic range, luminosity and unprecedented precision in deep inelastic scattering. Illustrations are provided regarding high precision QCD, new physics (Higgs, SUSY) and electron-ion physics. The LHeC is designed to run synchronously with the LHC in the twenties and to achieve an integrated luminosity of O(100) fb$^{-1}$. It will become the cleanest high resolution microscope of mankind and will substantially extend as well as complement the investigation of the physics of the TeV energy scale, which has been enabled by the LHC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.4831v2-abstract-full').style.display = 'none'; document.getElementById('1211.4831v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 January, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2012. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1210.6683">arXiv:1210.6683</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1210.6683">pdf</a>, <a href="https://arxiv.org/ps/1210.6683">ps</a>, <a href="https://arxiv.org/format/1210.6683">other</a>]&nbsp;</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> </div> </div> <p class="title is-5 mathjax"> Erratum: Measurement of transverse single-spin asymmetries for J/psi production in polarized p+p collisions at sqrt(s)=200 GeV [Phys. Rev. D 82, 112008 (2010)] </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</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="1210.6683v1-abstract-short" style="display: inline;"> We previously reported [Phys. Rev. D 82, 112008 (2010)] measurements of transverse single-spin asymmetries, A_N, in J/psi production from transversely polarized p+p collisions at sqrt(s)=200 GeV with data taken by the PHENIX experiment at the Relativistic Heavy Ion Collider in 2006 and 2008. Subsequently, we have found errors in the analysis procedures for the 2008 data, which resulted in an erron&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1210.6683v1-abstract-full').style.display = 'inline'; document.getElementById('1210.6683v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1210.6683v1-abstract-full" style="display: none;"> We previously reported [Phys. Rev. D 82, 112008 (2010)] measurements of transverse single-spin asymmetries, A_N, in J/psi production from transversely polarized p+p collisions at sqrt(s)=200 GeV with data taken by the PHENIX experiment at the Relativistic Heavy Ion Collider in 2006 and 2008. Subsequently, we have found errors in the analysis procedures for the 2008 data, which resulted in an erroneous value for the extracted A_N. The errors affected the sorting of events into the correct left/right and forward/backward bins. This produced an incorrect value for the 2008 result, but the 2006 result is unaffected. We have conducted two independent reanalyses with these errors corrected, and we present here the corrected values for the 2008 data and the combined results for 2006 and 2008. The new combined spin asymmetry in the forward region is A_N = -0.026+/-0.026(stat)+/-0.003(sys). Since this asymmetry is consistent with zero, we no longer claim that our results suggest a possible non-zero trigluon correlation function in transversely polarized protons. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1210.6683v1-abstract-full').style.display = 'none'; document.getElementById('1210.6683v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 October, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">431 authors from 62 institutions, 3 pages, 2 figures, and 3 tables. Erratum submitted to Physical Review D</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.3283">arXiv:1209.3283</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1209.3283">pdf</a>, <a href="https://arxiv.org/ps/1209.3283">ps</a>, <a href="https://arxiv.org/format/1209.3283">other</a>]&nbsp;</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/PhysRevD.88.032006">10.1103/PhysRevD.88.032006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Inclusive cross section and single-transverse-spin asymmetry for very forward neutron production in polarized p+p collisions at sqrt(s)=200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Batsouli%2C+S">S. Batsouli</a> , et al. (358 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="1209.3283v1-abstract-short" style="display: inline;"> The energy dependence of the single-transverse-spin asymmetry, A_N, and the cross section for neutron production at very forward angles were measured in the PHENIX experiment at RHIC for polarized p+p collisions at sqrt(s)=200 GeV. The neutrons were observed in forward detectors covering an angular range of up to 2.2 mrad. We report results for neutrons with momentum fraction of x_F=0.45 to 1.0. T&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.3283v1-abstract-full').style.display = 'inline'; document.getElementById('1209.3283v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.3283v1-abstract-full" style="display: none;"> The energy dependence of the single-transverse-spin asymmetry, A_N, and the cross section for neutron production at very forward angles were measured in the PHENIX experiment at RHIC for polarized p+p collisions at sqrt(s)=200 GeV. The neutrons were observed in forward detectors covering an angular range of up to 2.2 mrad. We report results for neutrons with momentum fraction of x_F=0.45 to 1.0. The energy dependence of the measured cross sections were consistent with x_F scaling, compared to measurements by an ISR experiment which measured neutron production in unpolarized p+p collisions at sqrt(s)=30.6--62.7 GeV. The cross sections for large x_F neutron production for p+p collisions, as well as those in e+p collisions measured at HERA, are described by a pion exchange mechanism. The observed forward neutron asymmetries were large, reaching A_N=-0.08+/-0.02 for x_F=0.8; the measured backward asymmetries, for negative x_F, were consistent with zero. The observed asymmetry for forward neutron production is discussed within the pion exchange framework, with interference between the spin-flip amplitude due to the pion exchange and nonflip amplitudes from all Reggeon exchanges. Within the pion exchange description, the measured neutron asymmetry is sensitive to the contribution of other Reggeon exchanges even for small amplitudes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.3283v1-abstract-full').style.display = 'none'; document.getElementById('1209.3283v1-abstract-short').style.display = 'inline';">&#9651; 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">383 authors, 16 pages, 18 figures, 6 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 88, 032006 (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>&nbsp;[<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>]&nbsp;</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/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrews%2C+K+R">K. R. Andrews</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appelt%2C+E">E. Appelt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;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|&lt;0.35) with the PHENIX detector at the Relativistic Heavy Ion Collider. The measured asymmetries are consistent with zero within th&hellip; <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';">&#9661; 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|&lt;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 &lt; 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';">&#9651; 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/1207.6378">arXiv:1207.6378</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1207.6378">pdf</a>, <a href="https://arxiv.org/format/1207.6378">other</a>]&nbsp;</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> <p class="title is-5 mathjax"> sPHENIX: An Upgrade Concept from the PHENIX Collaboration </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asano%2C+H">H. Asano</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+X">X. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bandara%2C+N">N. Bandara</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baron%2C+O">O. Baron</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baublis%2C+V">V. Baublis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baumgart%2C+S">S. Baumgart</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bazilevsky%2C+A">A. Bazilevsky</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Beaumier%2C+M">M. Beaumier</a> , et al. (402 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="1207.6378v2-abstract-short" style="display: inline;"> The PHENIX collaboration presents a concept for a major upgrade to the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). This upgrade, referred to as sPHENIX, brings exciting new capability to the RHIC program by opening new and important channels for experimental investigation and utilizing fully the luminosity of the recently upgraded RHIC facility. sPHENIX enables a compelling jet&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.6378v2-abstract-full').style.display = 'inline'; document.getElementById('1207.6378v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1207.6378v2-abstract-full" style="display: none;"> The PHENIX collaboration presents a concept for a major upgrade to the PHENIX detector at the Relativistic Heavy Ion Collider (RHIC). This upgrade, referred to as sPHENIX, brings exciting new capability to the RHIC program by opening new and important channels for experimental investigation and utilizing fully the luminosity of the recently upgraded RHIC facility. sPHENIX enables a compelling jet physics program that will address fundamental questions about the nature of the strongly coupled quark-gluon plasma discovered experimentally at RHIC to be a perfect fluid. The upgrade concept addresses specific questions whose answers are necessary to advance our understanding of the quark-gluon plasma: (1) How to reconcile the observed strongly coupled quark-gluon plasma with the asymptotically free theory of quarks and gluons? (2) What are the dynamical changes to the quark-gluon plasma in terms of quasiparticles and excitations as a function of temperature? (3) How sharp is the transition of the quark-gluon plasma from the most strongly coupled regime near Tc to a weakly coupled system of partons known to emerge at asymptotically high temperatures? In three Appendices, we detail the additional physics capabilities gained through further upgrades: (A) two midrapidity detector additions, (B) a forward rapidity upgrade, and (C) an evolution to an ePHENIX detector suitable for a future Electron Ion Collider at RHIC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1207.6378v2-abstract-full').style.display = 'none'; document.getElementById('1207.6378v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">427 authors, 63 institutions, 159 pages. v2 has correction only to the author list. Two names were inadvertently omitted in v1 and some names were duplicated. There are no changes to the document, but now the arXiv author lists matches the author list in the document</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1206.2913">arXiv:1206.2913</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1206.2913">pdf</a>, <a href="https://arxiv.org/format/1206.2913">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> <span class="tag is-small is-grey 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="Instrumentation and Detectors">physics.ins-det</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/10.1088/0954-3899/39/7/075001">10.1088/0954-3899/39/7/075001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Large Hadron Electron Collider at CERN: Report on the Physics and Design Concepts for Machine and Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Fernandez%2C+J+L+A">J. L. Abelleira Fernandez</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adolphsen%2C+C">C. Adolphsen</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akay%2C+A+N">A. N. Akay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aksakal%2C+H">H. Aksakal</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Albacete%2C+J+L">J. L. Albacete</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alekhin%2C+S">S. Alekhin</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Allport%2C+P">P. Allport</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andreev%2C+V">V. Andreev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Arikan%2C+E">E. Arikan</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azuelos%2C+G">G. Azuelos</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barber%2C+D">D. Barber</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bartels%2C+J">J. Bartels</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behnke%2C+O">O. Behnke</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Behr%2C+J">J. Behr</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Belyaev%2C+A+S">A. S. Belyaev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ben-Zvi%2C+I">I. Ben-Zvi</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bernard%2C+N">N. Bernard</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bertolucci%2C+S">S. Bertolucci</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bettoni%2C+S">S. Bettoni</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Biswal%2C+S">S. Biswal</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bl%C3%BCmlein%2C+J">J. Bl眉mlein</a>, <a href="/search/hep-ex?searchtype=author&amp;query=B%C3%B6ttcher%2C+H">H. B枚ttcher</a> , et al. (168 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="1206.2913v2-abstract-short" style="display: inline;"> The physics programme and the design are described of a new collider for particle and nuclear physics, the Large Hadron Electron Collider (LHeC), in which a newly built electron beam of 60 GeV, up to possibly 140 GeV, energy collides with the intense hadron beams of the LHC. Compared to HERA, the kinematic range covered is extended by a factor of twenty in the negative four-momentum squared,&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.2913v2-abstract-full').style.display = 'inline'; document.getElementById('1206.2913v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1206.2913v2-abstract-full" style="display: none;"> The physics programme and the design are described of a new collider for particle and nuclear physics, the Large Hadron Electron Collider (LHeC), in which a newly built electron beam of 60 GeV, up to possibly 140 GeV, energy collides with the intense hadron beams of the LHC. Compared to HERA, the kinematic range covered is extended by a factor of twenty in the negative four-momentum squared, $Q^2$, and in the inverse Bjorken $x$, while with the design luminosity of $10^{33}$ cm$^{-2}$s$^{-1}$ the LHeC is projected to exceed the integrated HERA luminosity by two orders of magnitude. The physics programme is devoted to an exploration of the energy frontier, complementing the LHC and its discovery potential for physics beyond the Standard Model with high precision deep inelastic scattering measurements. These are designed to investigate a variety of fundamental questions in strong and electroweak interactions. The physics programme also includes electron-deuteron and electron-ion scattering in a $(Q^2, 1/x)$ range extended by four orders of magnitude as compared to previous lepton-nucleus DIS experiments for novel investigations of neutron&#39;s and nuclear structure, the initial conditions of Quark-Gluon Plasma formation and further quantum chromodynamic phenomena. The LHeC may be realised either as a ring-ring or as a linac-ring collider. Optics and beam dynamics studies are presented for both versions, along with technical design considerations on the interaction region, magnets and further components, together with a design study for a high acceptance detector. Civil engineering and installation studies are presented for the accelerator and the detector. The LHeC can be built within a decade and thus be operated while the LHC runs in its high-luminosity phase. It thus represents a major opportunity for progress in particle physics exploiting the investment made in the LHC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1206.2913v2-abstract-full').style.display = 'none'; document.getElementById('1206.2913v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 June, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2012. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1205.5533">arXiv:1205.5533</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1205.5533">pdf</a>, <a href="https://arxiv.org/ps/1205.5533">ps</a>, <a href="https://arxiv.org/format/1205.5533">other</a>]&nbsp;</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.86.072008">10.1103/PhysRevD.86.072008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Direct-Photon Production in p+p Collisions at sqrt(s)=200 GeV at Midrapidity </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Batsouli%2C+S">S. Batsouli</a> , et al. (358 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="1205.5533v1-abstract-short" style="display: inline;"> The differential cross section for the production of direct photons in p+p collisions at sqrt(s)=200 GeV at midrapidity was measured in the PHENIX detector at the Relativistic Heavy Ion Collider. Inclusive-direct photons were measured in the transverse-momentum range from 5.5--25 GeV/c, extending the range beyond previous measurements. Event structure was studied with an isolation criterion. Next-&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1205.5533v1-abstract-full').style.display = 'inline'; document.getElementById('1205.5533v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1205.5533v1-abstract-full" style="display: none;"> The differential cross section for the production of direct photons in p+p collisions at sqrt(s)=200 GeV at midrapidity was measured in the PHENIX detector at the Relativistic Heavy Ion Collider. Inclusive-direct photons were measured in the transverse-momentum range from 5.5--25 GeV/c, extending the range beyond previous measurements. Event structure was studied with an isolation criterion. Next-to-leading-order perturbative-quantum-chromodynamics calculations give a good description of the spectrum. When the cross section is expressed versus x_T, the PHENIX data are seen to be in agreement with measurements from other experiments at different center-of-mass energies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1205.5533v1-abstract-full').style.display = 'none'; document.getElementById('1205.5533v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 May, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">PHENIX Collaboration, 383 authors, 16 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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1204.0754">arXiv:1204.0754</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1204.0754">pdf</a>, <a href="https://arxiv.org/ps/1204.0754">ps</a>, <a href="https://arxiv.org/format/1204.0754">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.86.024909">10.1103/PhysRevC.86.024909 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Nuclear-Modification Factor for Open-Heavy-Flavor Production at Forward Rapidity in Cu+Cu Collisions at sqrt(s_NN)=200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Batsouli%2C+S">S. Batsouli</a> , et al. (351 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="1204.0754v1-abstract-short" style="display: inline;"> Background: Heavy-flavor production in p+p collisions tests perturbative-quantum-chromodynamics (pQCD) calculations. Modification of heavy-flavor production in heavy-ion collisions relative to binary-collision scaling from p+p results, quantified with the nuclear-modification factor (R_AA), provides information on both cold- and hot-nuclear-matter effects. Purpose: Determine transverse-momentum,&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1204.0754v1-abstract-full').style.display = 'inline'; document.getElementById('1204.0754v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1204.0754v1-abstract-full" style="display: none;"> Background: Heavy-flavor production in p+p collisions tests perturbative-quantum-chromodynamics (pQCD) calculations. Modification of heavy-flavor production in heavy-ion collisions relative to binary-collision scaling from p+p results, quantified with the nuclear-modification factor (R_AA), provides information on both cold- and hot-nuclear-matter effects. Purpose: Determine transverse-momentum, pt, spectra and the corresponding R_AA for muons from heavy-flavor mesons decay in p+p and Cu+Cu collisions at sqrt(s_NN)=200 GeV and y=1.65. Method: Results are obtained using the semi-leptonic decay of heavy-flavor mesons into negative muons. The PHENIX muon-arm spectrometers measure the p_T spectra of inclusive muon candidates. Backgrounds, primarily due to light hadrons, are determined with a Monte-Carlo calculation using a set of input hadron distributions tuned to match measured-hadron distributions in the same detector and statistically subtracted. Results: The charm-production cross section in p+p collisions at sqrt{s}=200 GeV, integrated over pt and in the rapidity range 1.4&lt;y&lt;1.9 is found to be dsigma_ccbar/dy = 0.139 +/- 0.029 (stat) ^{+0.051}_{-0.058} (syst) mb. This result is consistent with calculations and with expectations based on the corresponding midrapidity charm-production cross section measured earlier by PHENIX. The R_AA for heavy-flavor muons in Cu+Cu collisions is measured in three centrality intervals for 1&lt;pt&lt;4 GeV/c. Suppression relative to binary-collision scaling (R_AA&lt;1) increases with centrality. Conclusions: Within experimental and theoretical uncertainties, the measured heavy-flavor yield in p+p collisions is consistent with state-of-the-art pQCD calculations. Suppression in central Cu+Cu collisions suggests the presence of significant cold-nuclear-matter effects and final-state energy loss. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1204.0754v1-abstract-full').style.display = 'none'; document.getElementById('1204.0754v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 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">376 authors, 18 pages, 14 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 publicly available at http://www.phenix.bnl.gov/phenix/WWW/info/data/ppg123_data.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 86, 024909 (2012) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1202.4020">arXiv:1202.4020</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1202.4020">pdf</a>, <a href="https://arxiv.org/ps/1202.4020">ps</a>, <a href="https://arxiv.org/format/1202.4020">other</a>]&nbsp;</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.86.092006">10.1103/PhysRevD.86.092006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross sections and double-helicity asymmetries of midrapidity inclusive charged hadrons in p+p collisions at sqrt(s)=62.4 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Batsouli%2C+S">S. Batsouli</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="1202.4020v1-abstract-short" style="display: inline;"> Unpolarized cross sections and double-helicity asymmetries of single-inclusive positive and negative charged hadrons at midrapidity from p+p collisions at sqrt(s)=62.4 GeV are presented. The PHENIX measurements for 1.0 &lt; p_T &lt; 4.5 GeV/c are consistent with perturbative QCD calculations at next-to-leading order in the strong coupling constant, alpha_s. Resummed pQCD calculations including terms wit&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.4020v1-abstract-full').style.display = 'inline'; document.getElementById('1202.4020v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1202.4020v1-abstract-full" style="display: none;"> Unpolarized cross sections and double-helicity asymmetries of single-inclusive positive and negative charged hadrons at midrapidity from p+p collisions at sqrt(s)=62.4 GeV are presented. The PHENIX measurements for 1.0 &lt; p_T &lt; 4.5 GeV/c are consistent with perturbative QCD calculations at next-to-leading order in the strong coupling constant, alpha_s. Resummed pQCD calculations including terms with next-to-leading-log accuracy, yielding reduced theoretical uncertainties, also agree with the data. The double-helicity asymmetry, sensitive at leading order to the gluon polarization in a momentum-fraction range of 0.05 ~&lt; x_gluon ~&lt; 0.2, is consistent with recent global parameterizations disfavoring large gluon polarization. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.4020v1-abstract-full').style.display = 'none'; document.getElementById('1202.4020v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 February, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">PHENIX Collaboration. 447 authors, 12 pages, 5 figures, 5 tables. Submitted to Physical Review D</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1105.3919">arXiv:1105.3919</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1105.3919">pdf</a>, <a href="https://arxiv.org/ps/1105.3919">ps</a>, <a href="https://arxiv.org/format/1105.3919">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey 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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</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/10.1088/0954-3899/39/1/015010">10.1088/0954-3899/39/1/015010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Proton-Nucleus Collisions at the LHC: Scientific Opportunities and Requirements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Salgado%2C+C+A">C. A. Salgado</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alvarez-Muniz%2C+J">J. Alvarez-Muniz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Arleo%2C+F">F. Arleo</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Botje%2C+M">M. Botje</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Cacciari%2C+M">M. Cacciari</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Campbell%2C+J">J. Campbell</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Carli%2C+C">C. Carli</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Cole%2C+B">B. Cole</a>, <a href="/search/hep-ex?searchtype=author&amp;query=D%27Enterria%2C+D">D. D&#39;Enterria</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Gelis%2C+F">F. Gelis</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Guzey%2C+V">V. Guzey</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Hencken%2C+K">K. Hencken</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Jacobs%2C+P">P. Jacobs</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Jowett%2C+J+M">J. M. Jowett</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Klein%2C+S+R">S. R. Klein</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Maltoni%2C+F">F. Maltoni</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Morsch%2C+A">A. Morsch</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Piotrzkowski%2C+K">K. Piotrzkowski</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Qiu%2C+J+W">J. W. Qiu</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Satogata%2C+T">T. Satogata</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Sikler%2C+F">F. Sikler</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Strikman%2C+M">M. Strikman</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Takai%2C+H">H. Takai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Vogt%2C+R">R. Vogt</a> , et al. (5 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="1105.3919v1-abstract-short" style="display: inline;"> Proton-nucleus (p+A) collisions have long been recognized as a crucial component of the physics programme with nuclear beams at high energies, in particular for their reference role to interpret and understand nucleus-nucleus data as well as for their potential to elucidate the partonic structure of matter at low parton fractional momenta (small-x). Here, we summarize the main motivations that mak&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.3919v1-abstract-full').style.display = 'inline'; document.getElementById('1105.3919v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1105.3919v1-abstract-full" style="display: none;"> Proton-nucleus (p+A) collisions have long been recognized as a crucial component of the physics programme with nuclear beams at high energies, in particular for their reference role to interpret and understand nucleus-nucleus data as well as for their potential to elucidate the partonic structure of matter at low parton fractional momenta (small-x). Here, we summarize the main motivations that make a proton-nucleus run a decisive ingredient for a successful heavy-ion programme at the Large Hadron Collider (LHC) and we present unique scientific opportunities arising from these collisions. We also review the status of ongoing discussions about operation plans for the p+A mode at the LHC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.3919v1-abstract-full').style.display = 'none'; document.getElementById('1105.3919v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 May, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2011. </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">33 pages, 15 Figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-PH-TH/2011-119, LHC-Project-Report-1181 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1105.1966">arXiv:1105.1966</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1105.1966">pdf</a>, <a href="https://arxiv.org/ps/1105.1966">ps</a>, <a href="https://arxiv.org/format/1105.1966">other</a>]&nbsp;</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.85.092004">10.1103/PhysRevD.85.092004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Ground and excited charmonium state production in p+p collisions at sqrt(s)=200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</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="1105.1966v1-abstract-short" style="display: inline;"> We report on charmonium measurements [J/psi(1S), psi&#39;(2S), and chi_c(1P)] in p+p collisions at sqrt(s)=200 GeV. We find that the fraction of J/psi coming from the feed-down decay of psi&#39; and chi_c in the midrapidity region ($|畏|&lt;0.35$) is 9.6+/-2.4% and 32+/-9%, respectively. We also report new, higher statistics p_T and rapidity dependencies of the J/psi yield via dielectron decay in the same mid&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.1966v1-abstract-full').style.display = 'inline'; document.getElementById('1105.1966v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1105.1966v1-abstract-full" style="display: none;"> We report on charmonium measurements [J/psi(1S), psi&#39;(2S), and chi_c(1P)] in p+p collisions at sqrt(s)=200 GeV. We find that the fraction of J/psi coming from the feed-down decay of psi&#39; and chi_c in the midrapidity region ($|畏|&lt;0.35$) is 9.6+/-2.4% and 32+/-9%, respectively. We also report new, higher statistics p_T and rapidity dependencies of the J/psi yield via dielectron decay in the same midrapidity range and at forward rapidity (1.2&lt;|eta|&lt;2.4) via dimuon decay. These results are compared with measurements from other experiments and discussed in the context of current charmonium production models. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1105.1966v1-abstract-full').style.display = 'none'; document.getElementById('1105.1966v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 May, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2011. </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, 25 pages, 23 figures, 11 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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1102.0753">arXiv:1102.0753</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1102.0753">pdf</a>, <a href="https://arxiv.org/ps/1102.0753">ps</a>, <a href="https://arxiv.org/format/1102.0753">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.83.064903">10.1103/PhysRevC.83.064903 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Identified charged hadron production in p+p collisions at sqrt(s)=200 and 62.4 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a> , et al. (406 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1102.0753v1-abstract-short" style="display: inline;"> Transverse momentum distributions and yields for $蟺^{\pm}$, $K^{\pm}$, $p$ and $\bar{p}$ in $p+p$ collisions at $\sqrt{s}$=200 and 62.4 GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). These data provide important baseline spectra for comparisons with identified particle spectra in heavy ion collisions at RHIC. We present the inverse slope par&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1102.0753v1-abstract-full').style.display = 'inline'; document.getElementById('1102.0753v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1102.0753v1-abstract-full" style="display: none;"> Transverse momentum distributions and yields for $蟺^{\pm}$, $K^{\pm}$, $p$ and $\bar{p}$ in $p+p$ collisions at $\sqrt{s}$=200 and 62.4 GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). These data provide important baseline spectra for comparisons with identified particle spectra in heavy ion collisions at RHIC. We present the inverse slope parameter $T_{\rm inv}$, mean transverse momentum $&lt;p_T&gt;$ and yield per unit rapidity $dN/dy$ at each energy, and compare them to other measurements at different $\sqrt{s}$ in $p+p$ and $p+\bar{p}$ collisions. We also present the scaling properties such as $m_T$ scaling, $x_T$ scaling on the $p_T$ spectra between different energies. To discuss the mechanism of the particle production in $p+p$ collisions, the measured spectra are compared to next-to-leading-order or next-to-leading-logarithmic perturbative quantum chromodynamics calculations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1102.0753v1-abstract-full').style.display = 'none'; document.getElementById('1102.0753v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 February, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">431 authors from 62 institutions, 32 pages, 23 figures, and 18 tables. Submitted to 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.C83:064903,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.6224">arXiv:1009.6224</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1009.6224">pdf</a>, <a href="https://arxiv.org/ps/1009.6224">ps</a>, <a href="https://arxiv.org/format/1009.6224">other</a>]&nbsp;</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> </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.83.032001">10.1103/PhysRevD.83.032001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross section and double helicity asymmetry for eta mesons and their comparison to neutral pion production in p+p collisions at sqrt(s)=200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a> , et al. (407 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="1009.6224v2-abstract-short" style="display: inline;"> Measurements of double-helicity asymmetries for inclusive hadron production in polarized p+p collisions are sensitive to helicity--dependent parton distribution functions, in particular to the gluon helicity distribution, Delta(g). This study focuses on the extraction of the double-helicity asymmetry in eta production: polarized p+p --&gt; eta + X, the eta cross section, and the eta/pi^0 cross sectio&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.6224v2-abstract-full').style.display = 'inline'; document.getElementById('1009.6224v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.6224v2-abstract-full" style="display: none;"> Measurements of double-helicity asymmetries for inclusive hadron production in polarized p+p collisions are sensitive to helicity--dependent parton distribution functions, in particular to the gluon helicity distribution, Delta(g). This study focuses on the extraction of the double-helicity asymmetry in eta production: polarized p+p --&gt; eta + X, the eta cross section, and the eta/pi^0 cross section ratio. The cross section and ratio measurements provide essential input for the extraction of fragmentation functions that are needed to access the helicity-dependent parton distribution functions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.6224v2-abstract-full').style.display = 'none'; document.getElementById('1009.6224v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 October, 2010; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2010. </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">432 authors from 62 institutions, 13 pages, 5 figures, and 3 tables. Submitted to Physical Review D. v2 has minor changes only to update references and reposition figures and tables. All data points plotted in Figs. 2, 4, and 5 are given in Tables I, II, and III, respectively</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D83:032001,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.4921">arXiv:1009.4921</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1009.4921">pdf</a>, <a href="https://arxiv.org/ps/1009.4921">ps</a>, <a href="https://arxiv.org/format/1009.4921">other</a>]&nbsp;</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> </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.84.012006">10.1103/PhysRevD.84.012006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Event Structure and Double Helicity Asymmetry in Jet Production from Polarized p+p Collisions at sqrt(s) = 200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Batsouli%2C+S">S. Batsouli</a> , et al. (351 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="1009.4921v1-abstract-short" style="display: inline;"> We report on event structure and double helicity asymmetry ($A_LL$) of jet production in longitudinally polarized p+p collisions at $\sqrt{s}$=200 GeV. Photons and charged particles were measured at midrapidity $|畏| &lt; 0.35$ with the requirement of a high-momentum ($&gt;2$ GeV/$c$) photon in each event. Measured event structure is compared with {\sc pythia} and {\sc geant} simulations. The shape of je&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.4921v1-abstract-full').style.display = 'inline'; document.getElementById('1009.4921v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.4921v1-abstract-full" style="display: none;"> We report on event structure and double helicity asymmetry ($A_LL$) of jet production in longitudinally polarized p+p collisions at $\sqrt{s}$=200 GeV. Photons and charged particles were measured at midrapidity $|畏| &lt; 0.35$ with the requirement of a high-momentum ($&gt;2$ GeV/$c$) photon in each event. Measured event structure is compared with {\sc pythia} and {\sc geant} simulations. The shape of jets and the underlying event were well reproduced at this collision energy. For the measurement of jet $A_{LL}$, photons and charged particles were clustered with a seed-cone algorithm to obtain the cluster $p_T$ sum ($p_T^{\rm reco}$). The effect of detector response and the underlying events on $p_T^{\rm reco}$ was evaluated with the simulation. The production rate of reconstructed jets is satisfactorily reproduced with the NLO pQCD jet production cross section. For $4 &lt; p_T^{\rm reco} &lt; 12$ GeV/$c$ with an average beam polarization of $&lt; P &gt; = 49%$ we measured $A_{LL} = -0.0014 \pm 0.0037^{\rm stat}$ at the lowest $p_T^{\rm reco}$ bin (4-5 GeV/$c$) and $-0.0181 \pm 0.0282^{\rm stat}$ at the highest $p_T^{\rm reco}$ bin (10-12 GeV/$c$) with a beam polarization scale error of 9.4% and a $\pT$ scale error of 10%. Jets in the measured $p_T^{\rm reco}$ range arise primarily from hard-scattered gluons with momentum fraction $0.02 &lt; x &lt; 0.3$ according to {\sc pythia}. The measured $A_{LL}$ is compared with predictions that assume various $螖G(x)$ distributions based on the GRSV parameterization. The present result imposes the limit $-1.1 &lt; \int_{0.02}^{0.3}dx 螖G(x, 渭^2 = 1 {\rm GeV}^2) &lt; 0.4$ at 95% confidence level or $\int_{0.02}^{0.3}dx 螖G(x, 渭^2 = 1 {\rm GeV}^2) &lt; 0.5$ at 99% confidence level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.4921v1-abstract-full').style.display = 'none'; document.getElementById('1009.4921v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2010. </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">376 authors from 58 institutions, 18 pages, 22 figures, and 5 tables. Submitted to Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D84:012006,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.4864">arXiv:1009.4864</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1009.4864">pdf</a>, <a href="https://arxiv.org/ps/1009.4864">ps</a>, <a href="https://arxiv.org/format/1009.4864">other</a>]&nbsp;</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> </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.82.112008">10.1103/PhysRevD.82.112008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of Transverse Single-Spin Asymmetries for J/psi Production in Polarized p+p Collisions at sqrt(s) = 200 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Ta%27ani%2C+H">H. Al-Ta&#39;ani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a> , et al. (423 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="1009.4864v1-abstract-short" style="display: inline;"> We report the first measurement of transverse single-spin asymmetries in $J/蠄$ production from transversely polarized $p+p$ collisions at $\sqrt{s} = 200$ GeV with data taken by the PHENIX experiment in 2006 and 2008. The measurement was performed over the rapidity ranges $1.2 &lt; |y| &lt; 2.2$ and $ |y| &lt; 0.35$ for transverse momenta up to 6 GeV/$c$. $J/蠄$ production at RHIC is dominated by processes&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.4864v1-abstract-full').style.display = 'inline'; document.getElementById('1009.4864v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.4864v1-abstract-full" style="display: none;"> We report the first measurement of transverse single-spin asymmetries in $J/蠄$ production from transversely polarized $p+p$ collisions at $\sqrt{s} = 200$ GeV with data taken by the PHENIX experiment in 2006 and 2008. The measurement was performed over the rapidity ranges $1.2 &lt; |y| &lt; 2.2$ and $ |y| &lt; 0.35$ for transverse momenta up to 6 GeV/$c$. $J/蠄$ production at RHIC is dominated by processes involving initial-state gluons, and transverse single-spin asymmetries of the $J/蠄$ can provide access to gluon dynamics within the nucleon. Such asymmetries may also shed light on the long-standing question in QCD of the $J/蠄$ production mechanism. Asymmetries were obtained as a function of $J/蠄$ transverse momentum and Feynman-$x$, with a value of $-0.086 \pm 0.026^{\rm stat} \pm 0.003^{\rm syst}$ in the forward region. This result suggests possible nonzero trigluon correlation functions in transversely polarized protons and, if well defined in this reaction, a nonzero gluon Sivers distribution function. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.4864v1-abstract-full').style.display = 'none'; document.getElementById('1009.4864v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">431 authors from 62 institutions, 13 pages, 5 figures, and 5 tables. Submitted to Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D82:112008,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.0505">arXiv:1009.0505</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1009.0505">pdf</a>, <a href="https://arxiv.org/format/1009.0505">other</a>]&nbsp;</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> </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.106.062001">10.1103/PhysRevLett.106.062001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Cross Section and Parity Violating Spin Asymmetries of W^+/- Boson Production in Polarized p+p Collisions at sqrt(s)=500 GeV </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akimoto%2C+R">R. Akimoto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Taani%2C+H">H. Al-Taani</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andrews%2C+K+R">K. R. Andrews</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Angerami%2C+A">A. Angerami</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Apadula%2C+N">N. Apadula</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Appelt%2C+E">E. Appelt</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aramaki%2C+Y">Y. Aramaki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bannier%2C+B">B. Bannier</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bathe%2C+S">S. Bathe</a> , et al. (351 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="1009.0505v2-abstract-short" style="display: inline;"> Large parity violating longitudinal single spin asymmetries A^{e^-}_L= -0.86^{+0.14}_{-0.30} and A^{e^+}_L= 0.88^{+0.12}_{-0.71} are observed for inclusive high transverse momentum electrons and positrons in polarized pp collisions at a center of mass energy of \sqrt{s}=500\ GeV with the PHENIX detector at RHIC. These e^{+/-} come mainly from the decay of W^{+/-} and Z^0 bosons, and the asymmetrie&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.0505v2-abstract-full').style.display = 'inline'; document.getElementById('1009.0505v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.0505v2-abstract-full" style="display: none;"> Large parity violating longitudinal single spin asymmetries A^{e^-}_L= -0.86^{+0.14}_{-0.30} and A^{e^+}_L= 0.88^{+0.12}_{-0.71} are observed for inclusive high transverse momentum electrons and positrons in polarized pp collisions at a center of mass energy of \sqrt{s}=500\ GeV with the PHENIX detector at RHIC. These e^{+/-} come mainly from the decay of W^{+/-} and Z^0 bosons, and the asymmetries directly demonstrate parity violation in the couplings of the W^{\pm} to the light quarks. The observed electron and positron yields were used to estimate W^\pm boson production cross sections equal to 蟽(pp \to W^+ X) \times BR(W^ \to 谓_e)= 144.1+/-21.2(stat)^{+3.4}_{-10.3}(syst) +/- 15%(norm) pb, and 蟽(pp \to W^{-}X) \times BR(W^\to e^-\bar{谓_e}) = 31.7+/-12.1(stat)^{+10.1}_{-8.2}(syst)+/-15%(norm) pb. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.0505v2-abstract-full').style.display = 'none'; document.getElementById('1009.0505v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2010. </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">PHENIX Collaboration - 376 authors, 6 pages text, 4 figures, 2 tables. Submitted to Phys. Rev. Lett. v2 has minor changes to match PRL submission. Plain text data tables for the points plotted in figures 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.106:062001,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1006.1347">arXiv:1006.1347</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1006.1347">pdf</a>, <a href="https://arxiv.org/ps/1006.1347">ps</a>, <a href="https://arxiv.org/format/1006.1347">other</a>]&nbsp;</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.82.072001">10.1103/PhysRevD.82.072001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High p_T Direct Photon and pi^0 Triggered Azimuthal Jet Correlations in sqrt(s)=200 GeV p+p Collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a> , et al. (406 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1006.1347v1-abstract-short" style="display: inline;"> Correlations of charged hadrons of 1 &lt; pT &lt; 10 GeV/c with high pT direct photons and pi^ 0 mesons in the range 5 &lt;pT &lt; 15 GeV/c are used to study jet fragmentation in the photon+jet and di-jet channels, respectively. The magnitude of the partonic transverse momentum, kT, is obtained by comparing to a model incorporating a Gaussian kT smearing. The sensitivity of the associated charged hadron spect&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1006.1347v1-abstract-full').style.display = 'inline'; document.getElementById('1006.1347v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1006.1347v1-abstract-full" style="display: none;"> Correlations of charged hadrons of 1 &lt; pT &lt; 10 GeV/c with high pT direct photons and pi^ 0 mesons in the range 5 &lt;pT &lt; 15 GeV/c are used to study jet fragmentation in the photon+jet and di-jet channels, respectively. The magnitude of the partonic transverse momentum, kT, is obtained by comparing to a model incorporating a Gaussian kT smearing. The sensitivity of the associated charged hadron spectra to the underlying fragmentation function is tested and the data are compared to calculations using recent global fit results. The shape of the direct photon-associated hadron spectrum as well as its charge asymmetry are found to be consistent with a sample dominated by quark-gluon Compton scattering. No significant evidence of fragmentation photon correlated production is observed within experimental uncertainties. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1006.1347v1-abstract-full').style.display = 'none'; document.getElementById('1006.1347v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 June, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">431 authors, 18 pages, 18 figures, 4 tables, RevTeX-4. Submitted to Physical Review D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D82:072001,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1005.3674">arXiv:1005.3674</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1005.3674">pdf</a>, <a href="https://arxiv.org/ps/1005.3674">ps</a>, <a href="https://arxiv.org/format/1005.3674">other</a>]&nbsp;</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.83.052004">10.1103/PhysRevD.83.052004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of neutral mesons in p+p collisions at sqrt(s) = 200 GeV and scaling properties of hadron production </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Adare%2C+A">A. Adare</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Afanasiev%2C+S">S. Afanasiev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ajitanand%2C+N+N">N. N. Ajitanand</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Al-Bataineh%2C+H">H. Al-Bataineh</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alexander%2C+J">J. Alexander</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aoki%2C+K">K. Aoki</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aphecetche%2C+L">L. Aphecetche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armendariz%2C+R">R. Armendariz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aronson%2C+S+H">S. H. Aronson</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Asai%2C+J">J. Asai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Atomssa%2C+E+T">E. T. Atomssa</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Awes%2C+T+C">T. C. Awes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Babintsev%2C+V">V. Babintsev</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bai%2C+M">M. Bai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+G">G. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baksay%2C+L">L. Baksay</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Baldisseri%2C+A">A. Baldisseri</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barish%2C+K+N">K. N. Barish</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnes%2C+P+D">P. D. Barnes</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bassalleck%2C+B">B. Bassalleck</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Basye%2C+A+T">A. T. Basye</a> , et al. (406 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1005.3674v1-abstract-short" style="display: inline;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the invariant differential cross section for production of K^0_S , 蠅, 畏prime, and 蠁mesons in p + p collisions at = 200 GeV. Measurements 蠅and 蠁production in different decay channels give consistent results. New results for the 蠁are in agreement with previously published data and extend the measured pT coverage. The spectral&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1005.3674v1-abstract-full').style.display = 'inline'; document.getElementById('1005.3674v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1005.3674v1-abstract-full" style="display: none;"> The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the invariant differential cross section for production of K^0_S , 蠅, 畏prime, and 蠁mesons in p + p collisions at = 200 GeV. Measurements 蠅and 蠁production in different decay channels give consistent results. New results for the 蠁are in agreement with previously published data and extend the measured pT coverage. The spectral shapes of all hadron transverse momentum distributions measured by PHENIX are well described by a Tsallis distribution functional form with only two parameters, n and T, determining the high-pT and characterizing the low-pT regions of the spectra, respectively. The values of these parameters are very similar for all analyzed meson spectra, but with a lower parameter T extracted for protons. The integrated invariant cross sections calculated from the fitted distributions are found to be consistent with existing measurements and with statistical model predictions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1005.3674v1-abstract-full').style.display = 'none'; document.getElementById('1005.3674v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 May, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">431 authors, 28 pages text, 18 figures, 11 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.D83:052004,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0901.0512">arXiv:0901.0512</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/0901.0512">pdf</a>]&nbsp;</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> </div> </div> <p class="title is-5 mathjax"> Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=The+ATLAS+Collaboration"> The ATLAS Collaboration</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aad%2C+G">G. Aad</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abat%2C+E">E. Abat</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abbott%2C+B">B. Abbott</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abdallah%2C+J">J. Abdallah</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abdelalim%2C+A+A">A. A. Abdelalim</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abdesselam%2C+A">A. Abdesselam</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abdinov%2C+O">O. Abdinov</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abi%2C+B">B. Abi</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abolins%2C+M">M. Abolins</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Abramowicz%2C+H">H. Abramowicz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Acharya%2C+B+S">B. S. Acharya</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adams%2C+D+L">D. L. Adams</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Addy%2C+T+N">T. N. Addy</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adorisio%2C+C">C. Adorisio</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adragna%2C+P">P. Adragna</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Adye%2C+T">T. Adye</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aguilar-Saavedra%2C+J+A">J. A. Aguilar-Saavedra</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aharrouche%2C+M">M. Aharrouche</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ahlen%2C+S+P">S. P. Ahlen</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ahles%2C+F">F. Ahles</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Ahmed%2C+H">H. Ahmed</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Aielli%2C+G">G. Aielli</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akdogan%2C+T">T. Akdogan</a> , et al. (2587 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="0901.0512v4-abstract-short" style="display: inline;"> A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance of b-tagging and the trigger. The physics potential for a variety of interesting physics processes, within the Standard Model and beyond, is examined. The study comprises a series of notes based on&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0901.0512v4-abstract-full').style.display = 'inline'; document.getElementById('0901.0512v4-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0901.0512v4-abstract-full" style="display: none;"> A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance of b-tagging and the trigger. The physics potential for a variety of interesting physics processes, within the Standard Model and beyond, is examined. The study comprises a series of notes based on simulations of the detector and physics processes, with particular emphasis given to the data expected from the first years of operation of the LHC at CERN. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0901.0512v4-abstract-full').style.display = 'none'; document.getElementById('0901.0512v4-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 August, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 December, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2009. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0806.1499">arXiv:0806.1499</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/0806.1499">pdf</a>, <a href="https://arxiv.org/ps/0806.1499">ps</a>, <a href="https://arxiv.org/format/0806.1499">other</a>]&nbsp;</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> <p class="title is-5 mathjax"> Jet reconstruction in hadronic collisions by Gaussian filtering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Lai%2C+Y">Yue-Shi Lai</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Cole%2C+B+A">Brian A. Cole</a> </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="0806.1499v2-abstract-short" style="display: inline;"> A new algorithm for jet finding in hadronic collisions is presented. The algorithm, based on a Gaussian filter in $(畏,蠁)$, is specifically intended for use in heavy ion collisions and/or for detectors with limited acceptance. The performance of the algorithm is compared to two conventional algorithms, a seedless cone algorithm and a $k_\perp$ algorithm, for Pythia simulated di-jet events in&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0806.1499v2-abstract-full').style.display = 'inline'; document.getElementById('0806.1499v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0806.1499v2-abstract-full" style="display: none;"> A new algorithm for jet finding in hadronic collisions is presented. The algorithm, based on a Gaussian filter in $(畏,蠁)$, is specifically intended for use in heavy ion collisions and/or for detectors with limited acceptance. The performance of the algorithm is compared to two conventional algorithms, a seedless cone algorithm and a $k_\perp$ algorithm, for Pythia simulated di-jet events in $\sqrt{s} = 200 \mathrm{GeV}$ $p + p$ collisions with $4 \mathrm{GeV}/c \le \sqrt{Q^2} \le 16 \mathrm{GeV}/c$. The Gaussian filter is found to perform as well as, and in some instances better than, the conventional algorithms. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0806.1499v2-abstract-full').style.display = 'none'; document.getElementById('0806.1499v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 June, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 June, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2008. </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">6 pages, 7 figures, with vertical scale in Fig. 5, 6 corrected</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0711.0974">arXiv:0711.0974</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/0711.0974">pdf</a>, <a href="https://arxiv.org/ps/0711.0974">ps</a>, <a href="https://arxiv.org/format/0711.0974">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey 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> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</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/10.1088/0954-3899/35/5/054001">10.1088/0954-3899/35/5/054001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Heavy Ion Collisions at the LHC - Last Call for Predictions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&amp;query=Abreu%2C+S">S. Abreu</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Akkelin%2C+S+V">S. V. Akkelin</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Alam%2C+J">J. Alam</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Albacete%2C+J+L">J. L. Albacete</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Andronic%2C+A">A. Andronic</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Antonov%2C+D">D. Antonov</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Arleo%2C+F">F. Arleo</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barnafoldi%2C+G+G">G. G. Barnafoldi</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Barrette%2C+J">J. Barrette</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bauchle%2C+B">B. Bauchle</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Becattini%2C+F">F. Becattini</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Betz%2C+B">B. Betz</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bleicher%2C+M">M. Bleicher</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bluhm%2C+M">M. Bluhm</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Boer%2C+D">D. Boer</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bopp%2C+F+W">F. W. Bopp</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Braun-Munzinger%2C+P">P. Braun-Munzinger</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Bravina%2C+L">L. Bravina</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Busza%2C+W">W. Busza</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Cacciari%2C+M">M. Cacciari</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Capella%2C+A">A. Capella</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Casalderrey-Solana%2C+J">J. Casalderrey-Solana</a>, <a href="/search/hep-ex?searchtype=author&amp;query=Chatterjee%2C+R">R. Chatterjee</a> , et al. (142 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="0711.0974v1-abstract-short" style="display: inline;"> This writeup is a compilation of the predictions for the forthcoming Heavy Ion Program at the Large Hadron Collider, as presented at the CERN Theory Institute &#39;Heavy Ion Collisions at the LHC - Last Call for Predictions&#39;, held from May 14th to June 10th 2007. </span> <span class="abstract-full has-text-grey-dark mathjax" id="0711.0974v1-abstract-full" style="display: none;"> This writeup is a compilation of the predictions for the forthcoming Heavy Ion Program at the Large Hadron Collider, as presented at the CERN Theory Institute &#39;Heavy Ion Collisions at the LHC - Last Call for Predictions&#39;, held from May 14th to June 10th 2007. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0711.0974v1-abstract-full').style.display = 'none'; document.getElementById('0711.0974v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 November, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2007. </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">LaTeX, 185 pages, uses iop styles; writeup of the CERN Theory Institute &#39;Heavy Ion Collisions at the LHC - Last Call for Predictions&#39;, held from May 14th to June 10th 2007</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J.Phys.G35:054001,2008 </p> </li> </ol> <div class="is-hidden-tablet"> <!-- feedback for mobile only --> <span class="help" 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