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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.02580">arXiv:2209.02580</a> <span> [<a href="https://arxiv.org/pdf/2209.02580">pdf</a>, <a href="https://arxiv.org/format/2209.02580">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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"> Design of the ECCE Detector for the Electron Ion Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adkins%2C+J+K">J. K. Adkins</a>, <a href="/search/physics?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/physics?searchtype=author&query=Albataineh%2C+A">A. Albataineh</a>, <a href="/search/physics?searchtype=author&query=Amaryan%2C+M">M. Amaryan</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+J">J. Bae</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Bashkanov%2C+M">M. Bashkanov</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Benmokhtar%2C+F">F. Benmokhtar</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V">V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Bernauer%2C+J+C">J. C. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Bock%2C+F">F. Bock</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Borysova%2C+M">M. Borysova</a>, <a href="/search/physics?searchtype=author&query=Brash%2C+E">E. Brash</a>, <a href="/search/physics?searchtype=author&query=Brindza%2C+P">P. Brindza</a>, <a href="/search/physics?searchtype=author&query=Briscoe%2C+W+J">W. J. Briscoe</a>, <a href="/search/physics?searchtype=author&query=Brooks%2C+M">M. Brooks</a>, <a href="/search/physics?searchtype=author&query=Bueltmann%2C+S">S. Bueltmann</a>, <a href="/search/physics?searchtype=author&query=Bukhari%2C+M+H+S">M. H. S. Bukhari</a>, <a href="/search/physics?searchtype=author&query=Bylinkin%2C+A">A. Bylinkin</a>, <a href="/search/physics?searchtype=author&query=Capobianco%2C+R">R. Capobianco</a> , et al. (259 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="2209.02580v3-abstract-short" style="display: inline;"> The EIC Comprehensive Chromodynamics Experiment (ECCE) detector has been designed to address the full scope of the proposed Electron Ion Collider (EIC) physics program as presented by the National Academy of Science and provide a deeper understanding of the quark-gluon structure of matter. To accomplish this, the ECCE detector offers nearly acceptance and energy coverage along with excellent track… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.02580v3-abstract-full').style.display = 'inline'; document.getElementById('2209.02580v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.02580v3-abstract-full" style="display: none;"> The EIC Comprehensive Chromodynamics Experiment (ECCE) detector has been designed to address the full scope of the proposed Electron Ion Collider (EIC) physics program as presented by the National Academy of Science and provide a deeper understanding of the quark-gluon structure of matter. To accomplish this, the ECCE detector offers nearly acceptance and energy coverage along with excellent tracking and particle identification. The ECCE detector was designed to be built within the budget envelope set out by the EIC project while simultaneously managing cost and schedule risks. This detector concept has been selected to be the basis for the EIC project detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.02580v3-abstract-full').style.display = 'none'; document.getElementById('2209.02580v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">34 pages, 30 figures, 9 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> JLAB-PHY-24-4124 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2208.14575">arXiv:2208.14575</a> <span> [<a href="https://arxiv.org/pdf/2208.14575">pdf</a>, <a href="https://arxiv.org/format/2208.14575">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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/10.1016/j.nima.2023.168238">10.1016/j.nima.2023.168238 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Detector Requirements and Simulation Results for the EIC Exclusive, Diffractive and Tagging Physics Program using the ECCE Detector Concept </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bylinkin%2C+A">A. Bylinkin</a>, <a href="/search/physics?searchtype=author&query=Dean%2C+C+T">C. T. Dean</a>, <a href="/search/physics?searchtype=author&query=Fegan%2C+S">S. Fegan</a>, <a href="/search/physics?searchtype=author&query=Gangadharan%2C+D">D. Gangadharan</a>, <a href="/search/physics?searchtype=author&query=Gates%2C+K">K. Gates</a>, <a href="/search/physics?searchtype=author&query=Kay%2C+S+J+D">S. J. D. Kay</a>, <a href="/search/physics?searchtype=author&query=Korover%2C+I">I. Korover</a>, <a href="/search/physics?searchtype=author&query=Li%2C+W+B">W. B. Li</a>, <a href="/search/physics?searchtype=author&query=Li%2C+X">X. Li</a>, <a href="/search/physics?searchtype=author&query=Montgomery%2C+R">R. Montgomery</a>, <a href="/search/physics?searchtype=author&query=Nguyen%2C+D">D. Nguyen</a>, <a href="/search/physics?searchtype=author&query=Penman%2C+G">G. Penman</a>, <a href="/search/physics?searchtype=author&query=Pybus%2C+J+R">J. R. Pybus</a>, <a href="/search/physics?searchtype=author&query=Santiesteban%2C+N">N. Santiesteban</a>, <a href="/search/physics?searchtype=author&query=Trotta%2C+R">R. Trotta</a>, <a href="/search/physics?searchtype=author&query=Usman%2C+A">A. Usman</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Frantz%2C+J">J. Frantz</a>, <a href="/search/physics?searchtype=author&query=Glazier%2C+D+I">D. I. Glazier</a>, <a href="/search/physics?searchtype=author&query=Higinbotham%2C+D+W">D. W. Higinbotham</a>, <a href="/search/physics?searchtype=author&query=Horn%2C+T">T. Horn</a>, <a href="/search/physics?searchtype=author&query=Huang%2C+J">J. Huang</a>, <a href="/search/physics?searchtype=author&query=Huber%2C+G">G. Huber</a>, <a href="/search/physics?searchtype=author&query=Reed%2C+R">R. Reed</a>, <a href="/search/physics?searchtype=author&query=Roche%2C+J">J. Roche</a> , et al. (258 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="2208.14575v2-abstract-short" style="display: inline;"> This article presents a collection of simulation studies using the ECCE detector concept in the context of the EIC's exclusive, diffractive, and tagging physics program, which aims to further explore the rich quark-gluon structure of nucleons and nuclei. To successfully execute the program, ECCE proposed to utilize the detecter system close to the beamline to ensure exclusivity and tag ion beam/fr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.14575v2-abstract-full').style.display = 'inline'; document.getElementById('2208.14575v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2208.14575v2-abstract-full" style="display: none;"> This article presents a collection of simulation studies using the ECCE detector concept in the context of the EIC's exclusive, diffractive, and tagging physics program, which aims to further explore the rich quark-gluon structure of nucleons and nuclei. To successfully execute the program, ECCE proposed to utilize the detecter system close to the beamline to ensure exclusivity and tag ion beam/fragments for a particular reaction of interest. Preliminary studies confirmed the proposed technology and design satisfy the requirements. The projected physics impact results are based on the projected detector performance from the simulation at 10 or 100 fb^-1 of integrated luminosity. Additionally, a few insights on the potential 2nd Interaction Region can (IR) were also documented which could serve as a guidepost for the future development of a second EIC detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.14575v2-abstract-full').style.display = 'none'; document.getElementById('2208.14575v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 August, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2208.13541">arXiv:2208.13541</a> <span> [<a href="https://arxiv.org/pdf/2208.13541">pdf</a>, <a href="https://arxiv.org/ps/2208.13541">ps</a>, <a href="https://arxiv.org/format/2208.13541">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Snowmass 2021/22 Letter of Interest: A Forward Calorimeter at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bearden%2C+I+G">I. G. Bearden</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Borshchov%2C+V">V. Borshchov</a>, <a href="/search/physics?searchtype=author&query=Faivre%2C+J">J. Faivre</a>, <a href="/search/physics?searchtype=author&query=Furget%2C+C">C. Furget</a>, <a href="/search/physics?searchtype=author&query=Garcia-Solis%2C+E">E. Garcia-Solis</a>, <a href="/search/physics?searchtype=author&query=Ducati%2C+M+B+G">M. B. Gay Ducati</a>, <a href="/search/physics?searchtype=author&query=Conesa-Balbastre%2C+G">G. Conesa-Balbastre</a>, <a href="/search/physics?searchtype=author&query=Guernane%2C+R">R. Guernane</a>, <a href="/search/physics?searchtype=author&query=Loizides%2C+C">C. Loizides</a>, <a href="/search/physics?searchtype=author&query=Rojo%2C+J">J. Rojo</a>, <a href="/search/physics?searchtype=author&query=P%C5%82osko%C5%84%2C+M">M. P艂osko艅</a>, <a href="/search/physics?searchtype=author&query=Klein%2C+S+R">S. R. Klein</a>, <a href="/search/physics?searchtype=author&query=Kovchegov%2C+Y">Y. Kovchegov</a>, <a href="/search/physics?searchtype=author&query=Okorokov%2C+V+A">V. A. Okorokov</a>, <a href="/search/physics?searchtype=author&query=Peitzmann%2C+T">T. Peitzmann</a>, <a href="/search/physics?searchtype=author&query=Protsenko%2C+M">M. Protsenko</a>, <a href="/search/physics?searchtype=author&query=Putschke%2C+J">J. Putschke</a>, <a href="/search/physics?searchtype=author&query=R%C3%B6hrich%2C+D">D. R枚hrich</a>, <a href="/search/physics?searchtype=author&query=Takaki%2C+J+D+T">J. D. Tapia Takaki</a>, <a href="/search/physics?searchtype=author&query=Tymchuk%2C+I">I. Tymchuk</a>, <a href="/search/physics?searchtype=author&query=van+Leeuwen%2C+M">M. van Leeuwen</a>, <a href="/search/physics?searchtype=author&query=Venugopalan%2C+R">R. Venugopalan</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="2208.13541v1-abstract-short" style="display: inline;"> A forward electromagnetic and hadronic calorimeter (FoCal) was proposed as an upgrade to the ALICE experiment, to be installed during LS3 for data-taking in 2027--2029 at the LHC. The FoCal extends the scope of ALICE, which was designed for the comprehensive study of hot and dense partonic matter, by adding new capabilities to explore the small-$x$ parton structure of nucleons and nuclei. The prim… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.13541v1-abstract-full').style.display = 'inline'; document.getElementById('2208.13541v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2208.13541v1-abstract-full" style="display: none;"> A forward electromagnetic and hadronic calorimeter (FoCal) was proposed as an upgrade to the ALICE experiment, to be installed during LS3 for data-taking in 2027--2029 at the LHC. The FoCal extends the scope of ALICE, which was designed for the comprehensive study of hot and dense partonic matter, by adding new capabilities to explore the small-$x$ parton structure of nucleons and nuclei. The primary objective of the FoCal is high-precision inclusive measurement of direct photons and jets, as well as coincident gamma-jet and jet-jet measurements, in pp and p--Pb collisions. These measurements by FoCal constitute an essential part of a comprehensive small-$x$ program at the LHC down to $x\sim10^{-6}$ and over a large range of $Q^2$ with a broad array of complementary probes, comprising -- in addition to the photon measurements by FoCal and LHCb -- Drell-Yan and open charm measurements planned by LHCb, as well as photon-induced reactions performed by all LHC experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2208.13541v1-abstract-full').style.display = 'none'; document.getElementById('2208.13541v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 August, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Letter of Interest submitted to Snowmass 2021/22</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2207.10632">arXiv:2207.10632</a> <span> [<a href="https://arxiv.org/pdf/2207.10632">pdf</a>, <a href="https://arxiv.org/format/2207.10632">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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"> Open Heavy Flavor Studies for the ECCE Detector at the Electron Ion Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Li%2C+X">X. Li</a>, <a href="/search/physics?searchtype=author&query=Adkins%2C+J+K">J. K. Adkins</a>, <a href="/search/physics?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/physics?searchtype=author&query=Albataineh%2C+A">A. Albataineh</a>, <a href="/search/physics?searchtype=author&query=Amaryan%2C+M">M. Amaryan</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+J">J. Bae</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Bashkanov%2C+M">M. Bashkanov</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Benmokhtar%2C+F">F. Benmokhtar</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V">V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Bernauer%2C+J+C">J. C. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Bock%2C+F">F. Bock</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Borysova%2C+M">M. Borysova</a>, <a href="/search/physics?searchtype=author&query=Brash%2C+E">E. Brash</a>, <a href="/search/physics?searchtype=author&query=Brindza%2C+P">P. Brindza</a>, <a href="/search/physics?searchtype=author&query=Briscoe%2C+W+J">W. J. Briscoe</a>, <a href="/search/physics?searchtype=author&query=Brooks%2C+M">M. Brooks</a>, <a href="/search/physics?searchtype=author&query=Bueltmann%2C+S">S. Bueltmann</a>, <a href="/search/physics?searchtype=author&query=Bukhari%2C+M+H+S">M. H. S. Bukhari</a>, <a href="/search/physics?searchtype=author&query=Bylinkin%2C+A">A. Bylinkin</a> , et al. (262 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.10632v2-abstract-short" style="display: inline;"> The ECCE detector has been recommended as the selected reference detector for the future Electron-Ion Collider (EIC). A series of simulation studies have been carried out to validate the physics feasibility of the ECCE detector. In this paper, detailed studies of heavy flavor hadron and jet reconstruction and physics projections with the ECCE detector performance and different magnet options will… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.10632v2-abstract-full').style.display = 'inline'; document.getElementById('2207.10632v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.10632v2-abstract-full" style="display: none;"> The ECCE detector has been recommended as the selected reference detector for the future Electron-Ion Collider (EIC). A series of simulation studies have been carried out to validate the physics feasibility of the ECCE detector. In this paper, detailed studies of heavy flavor hadron and jet reconstruction and physics projections with the ECCE detector performance and different magnet options will be presented. The ECCE detector has enabled precise EIC heavy flavor hadron and jet measurements with a broad kinematic coverage. These proposed heavy flavor measurements will help systematically study the hadronization process in vacuum and nuclear medium especially in the underexplored kinematic region. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.10632v2-abstract-full').style.display = 'none'; document.getElementById('2207.10632v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Open heavy flavor studies with the EIC reference detector design by the ECCE consortium. 11 pages, 11 figures, to be submitted to the Nuclear Instruments and Methods A</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LANL report number: LA-UR-22-27181 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2207.10356">arXiv:2207.10356</a> <span> [<a href="https://arxiv.org/pdf/2207.10356">pdf</a>, <a href="https://arxiv.org/format/2207.10356">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="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/10.1016/j.nima.2022.167956">10.1016/j.nima.2022.167956 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Exclusive J/$蠄$ Detection and Physics with ECCE </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Li%2C+X">X. Li</a>, <a href="/search/physics?searchtype=author&query=Adkins%2C+J+K">J. K. Adkins</a>, <a href="/search/physics?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/physics?searchtype=author&query=Albataineh%2C+A">A. Albataineh</a>, <a href="/search/physics?searchtype=author&query=Amaryan%2C+M">M. Amaryan</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+J">J. Bae</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Bashkanov%2C+M">M. Bashkanov</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Benmokhtar%2C+F">F. Benmokhtar</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V">V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Bernauer%2C+J+C">J. C. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Bock%2C+F">F. Bock</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Borysova%2C+M">M. Borysova</a>, <a href="/search/physics?searchtype=author&query=Brash%2C+E">E. Brash</a>, <a href="/search/physics?searchtype=author&query=Brindza%2C+P">P. Brindza</a>, <a href="/search/physics?searchtype=author&query=Briscoe%2C+W+J">W. J. Briscoe</a>, <a href="/search/physics?searchtype=author&query=Brooks%2C+M">M. Brooks</a>, <a href="/search/physics?searchtype=author&query=Bueltmann%2C+S">S. Bueltmann</a>, <a href="/search/physics?searchtype=author&query=Bukhari%2C+M+H+S">M. H. S. Bukhari</a>, <a href="/search/physics?searchtype=author&query=Bylinkin%2C+A">A. Bylinkin</a> , et al. (262 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.10356v1-abstract-short" style="display: inline;"> Exclusive heavy quarkonium photoproduction is one of the most popular processes in EIC, which has a large cross section and a simple final state. Due to the gluonic nature of the exchange Pomeron, this process can be related to the gluon distributions in the nucleus. The momentum transfer dependence of this process is sensitive to the interaction sites, which provides a powerful tool to probe the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.10356v1-abstract-full').style.display = 'inline'; document.getElementById('2207.10356v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.10356v1-abstract-full" style="display: none;"> Exclusive heavy quarkonium photoproduction is one of the most popular processes in EIC, which has a large cross section and a simple final state. Due to the gluonic nature of the exchange Pomeron, this process can be related to the gluon distributions in the nucleus. The momentum transfer dependence of this process is sensitive to the interaction sites, which provides a powerful tool to probe the spatial distribution of gluons in the nucleus. Recently the problem of the origin of hadron mass has received lots of attention in determining the anomaly contribution $M_{a}$. The trace anomaly is sensitive to the gluon condensate, and exclusive production of quarkonia such as J/$蠄$ and $违$ can serve as a sensitive probe to constrain it. In this paper, we present the performance of the ECCE detector for exclusive J/$蠄$ detection and the capability of this process to investigate the above physics opportunities with ECCE. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.10356v1-abstract-full').style.display = 'none'; document.getElementById('2207.10356v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 21 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 14 figures, 1 table</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2207.09437">arXiv:2207.09437</a> <span> [<a href="https://arxiv.org/pdf/2207.09437">pdf</a>, <a href="https://arxiv.org/format/2207.09437">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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 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/10.1016/j.nima.2023.168464">10.1016/j.nima.2023.168464 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Design and Simulated Performance of Calorimetry Systems for the ECCE Detector at the Electron Ion Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bock%2C+F">F. Bock</a>, <a href="/search/physics?searchtype=author&query=Schmidt%2C+N">N. Schmidt</a>, <a href="/search/physics?searchtype=author&query=Wang%2C+P+K">P. K. Wang</a>, <a href="/search/physics?searchtype=author&query=Santiesteban%2C+N">N. Santiesteban</a>, <a href="/search/physics?searchtype=author&query=Horn%2C+T">T. Horn</a>, <a href="/search/physics?searchtype=author&query=Huang%2C+J">J. Huang</a>, <a href="/search/physics?searchtype=author&query=Lajoie%2C+J">J. Lajoie</a>, <a href="/search/physics?searchtype=author&query=Camacho%2C+C+M">C. Munoz Camacho</a>, <a href="/search/physics?searchtype=author&query=Adkins%2C+J+K">J. K. Adkins</a>, <a href="/search/physics?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/physics?searchtype=author&query=Albataineh%2C+A">A. Albataineh</a>, <a href="/search/physics?searchtype=author&query=Amaryan%2C+M">M. Amaryan</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+J">J. Bae</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Bashkanov%2C+M">M. Bashkanov</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Benmokhtar%2C+F">F. Benmokhtar</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V">V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Bernauer%2C+J+C">J. C. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Borysova%2C+M">M. Borysova</a>, <a href="/search/physics?searchtype=author&query=Brash%2C+E">E. Brash</a> , et al. (263 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2207.09437v1-abstract-short" style="display: inline;"> We describe the design and performance the calorimeter systems used in the ECCE detector design to achieve the overall performance specifications cost-effectively with careful consideration of appropriate technical and schedule risks. The calorimeter systems consist of three electromagnetic calorimeters, covering the combined pseudorapdity range from -3.7 to 3.8 and two hadronic calorimeters. Key… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.09437v1-abstract-full').style.display = 'inline'; document.getElementById('2207.09437v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2207.09437v1-abstract-full" style="display: none;"> We describe the design and performance the calorimeter systems used in the ECCE detector design to achieve the overall performance specifications cost-effectively with careful consideration of appropriate technical and schedule risks. The calorimeter systems consist of three electromagnetic calorimeters, covering the combined pseudorapdity range from -3.7 to 3.8 and two hadronic calorimeters. Key calorimeter performances which include energy and position resolutions, reconstruction efficiency, and particle identification will be presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2207.09437v1-abstract-full').style.display = 'none'; document.getElementById('2207.09437v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 July, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">19 pages, 22 figures, 5 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2205.09185">arXiv:2205.09185</a> <span> [<a href="https://arxiv.org/pdf/2205.09185">pdf</a>, <a href="https://arxiv.org/format/2205.09185">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Machine Learning">cs.LG</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="Computational Physics">physics.comp-ph</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/10.1016/j.nima.2022.167748">10.1016/j.nima.2022.167748 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> AI-assisted Optimization of the ECCE Tracking System at the Electron Ion Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Fanelli%2C+C">C. Fanelli</a>, <a href="/search/physics?searchtype=author&query=Papandreou%2C+Z">Z. Papandreou</a>, <a href="/search/physics?searchtype=author&query=Suresh%2C+K">K. Suresh</a>, <a href="/search/physics?searchtype=author&query=Adkins%2C+J+K">J. K. Adkins</a>, <a href="/search/physics?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/physics?searchtype=author&query=Albataineh%2C+A">A. Albataineh</a>, <a href="/search/physics?searchtype=author&query=Amaryan%2C+M">M. Amaryan</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+J">J. Bae</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Bashkanov%2C+M">M. Bashkanov</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Benmokhtar%2C+F">F. Benmokhtar</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V">V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Bernauer%2C+J+C">J. C. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Bock%2C+F">F. Bock</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Borysova%2C+M">M. Borysova</a>, <a href="/search/physics?searchtype=author&query=Brash%2C+E">E. Brash</a>, <a href="/search/physics?searchtype=author&query=Brindza%2C+P">P. Brindza</a>, <a href="/search/physics?searchtype=author&query=Briscoe%2C+W+J">W. J. Briscoe</a>, <a href="/search/physics?searchtype=author&query=Brooks%2C+M">M. Brooks</a>, <a href="/search/physics?searchtype=author&query=Bueltmann%2C+S">S. Bueltmann</a> , et al. (258 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="2205.09185v2-abstract-short" style="display: inline;"> The Electron-Ion Collider (EIC) is a cutting-edge accelerator facility that will study the nature of the "glue" that binds the building blocks of the visible matter in the universe. The proposed experiment will be realized at Brookhaven National Laboratory in approximately 10 years from now, with detector design and R&D currently ongoing. Notably, EIC is one of the first large-scale facilities to… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.09185v2-abstract-full').style.display = 'inline'; document.getElementById('2205.09185v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2205.09185v2-abstract-full" style="display: none;"> The Electron-Ion Collider (EIC) is a cutting-edge accelerator facility that will study the nature of the "glue" that binds the building blocks of the visible matter in the universe. The proposed experiment will be realized at Brookhaven National Laboratory in approximately 10 years from now, with detector design and R&D currently ongoing. Notably, EIC is one of the first large-scale facilities to leverage Artificial Intelligence (AI) already starting from the design and R&D phases. The EIC Comprehensive Chromodynamics Experiment (ECCE) is a consortium that proposed a detector design based on a 1.5T solenoid. The EIC detector proposal review concluded that the ECCE design will serve as the reference design for an EIC detector. Herein we describe a comprehensive optimization of the ECCE tracker using AI. The work required a complex parametrization of the simulated detector system. Our approach dealt with an optimization problem in a multidimensional design space driven by multiple objectives that encode the detector performance, while satisfying several mechanical constraints. We describe our strategy and show results obtained for the ECCE tracking system. The AI-assisted design is agnostic to the simulation framework and can be extended to other sub-detectors or to a system of sub-detectors to further optimize the performance of the EIC detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.09185v2-abstract-full').style.display = 'none'; document.getElementById('2205.09185v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages, 18 figures, 2 appendices, 3 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2205.08607">arXiv:2205.08607</a> <span> [<a href="https://arxiv.org/pdf/2205.08607">pdf</a>, <a href="https://arxiv.org/format/2205.08607">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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="Computational Physics">physics.comp-ph</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/10.1016/j.nima.2022.167859">10.1016/j.nima.2022.167859 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Scientific Computing Plan for the ECCE Detector at the Electron Ion Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bernauer%2C+J+C">J. C. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Dean%2C+C+T">C. T. Dean</a>, <a href="/search/physics?searchtype=author&query=Fanelli%2C+C">C. Fanelli</a>, <a href="/search/physics?searchtype=author&query=Huang%2C+J">J. Huang</a>, <a href="/search/physics?searchtype=author&query=Kauder%2C+K">K. Kauder</a>, <a href="/search/physics?searchtype=author&query=Lawrence%2C+D">D. Lawrence</a>, <a href="/search/physics?searchtype=author&query=Osborn%2C+J+D">J. D. Osborn</a>, <a href="/search/physics?searchtype=author&query=Paus%2C+C">C. Paus</a>, <a href="/search/physics?searchtype=author&query=Adkins%2C+J+K">J. K. Adkins</a>, <a href="/search/physics?searchtype=author&query=Akiba%2C+Y">Y. Akiba</a>, <a href="/search/physics?searchtype=author&query=Albataineh%2C+A">A. Albataineh</a>, <a href="/search/physics?searchtype=author&query=Amaryan%2C+M">M. Amaryan</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+J">J. Bae</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Bashkanov%2C+M">M. Bashkanov</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Benmokhtar%2C+F">F. Benmokhtar</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V">V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Bock%2C+F">F. Bock</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Borysova%2C+M">M. Borysova</a>, <a href="/search/physics?searchtype=author&query=Brash%2C+E">E. Brash</a> , et al. (256 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="2205.08607v1-abstract-short" style="display: inline;"> The Electron Ion Collider (EIC) is the next generation of precision QCD facility to be built at Brookhaven National Laboratory in conjunction with Thomas Jefferson National Laboratory. There are a significant number of software and computing challenges that need to be overcome at the EIC. During the EIC detector proposal development period, the ECCE consortium began identifying and addressing thes… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.08607v1-abstract-full').style.display = 'inline'; document.getElementById('2205.08607v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2205.08607v1-abstract-full" style="display: none;"> The Electron Ion Collider (EIC) is the next generation of precision QCD facility to be built at Brookhaven National Laboratory in conjunction with Thomas Jefferson National Laboratory. There are a significant number of software and computing challenges that need to be overcome at the EIC. During the EIC detector proposal development period, the ECCE consortium began identifying and addressing these challenges in the process of producing a complete detector proposal based upon detailed detector and physics simulations. In this document, the software and computing efforts to produce this proposal are discussed; furthermore, the computing and software model and resources required for the future of ECCE are described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2205.08607v1-abstract-full').style.display = 'none'; document.getElementById('2205.08607v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 May, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> NIMA 1047, 167859 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2012.09518">arXiv:2012.09518</a> <span> [<a href="https://arxiv.org/pdf/2012.09518">pdf</a>, <a href="https://arxiv.org/format/2012.09518">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link 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/10.1088/1748-0221/16/03/p03022">10.1088/1748-0221/16/03/p03022 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The upgrade of the ALICE TPC with GEMs and continuous readout </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adolfsson%2C+J">J. Adolfsson</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+M">M. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Aiola%2C+S">S. Aiola</a>, <a href="/search/physics?searchtype=author&query=Alme%2C+J">J. Alme</a>, <a href="/search/physics?searchtype=author&query=Alt%2C+T">T. Alt</a>, <a href="/search/physics?searchtype=author&query=Amend%2C+W">W. Amend</a>, <a href="/search/physics?searchtype=author&query=Anastasopoulos%2C+F">F. Anastasopoulos</a>, <a href="/search/physics?searchtype=author&query=Andrei%2C+C">C. Andrei</a>, <a href="/search/physics?searchtype=author&query=Angelsmark%2C+M">M. Angelsmark</a>, <a href="/search/physics?searchtype=author&query=Anguelov%2C+V">V. Anguelov</a>, <a href="/search/physics?searchtype=author&query=Anjam%2C+A">A. Anjam</a>, <a href="/search/physics?searchtype=author&query=Appelsh%C3%A4user%2C+H">H. Appelsh盲user</a>, <a href="/search/physics?searchtype=author&query=Aprodu%2C+V">V. Aprodu</a>, <a href="/search/physics?searchtype=author&query=Arnold%2C+O">O. Arnold</a>, <a href="/search/physics?searchtype=author&query=Arslandok%2C+M">M. Arslandok</a>, <a href="/search/physics?searchtype=author&query=Baitinger%2C+D">D. Baitinger</a>, <a href="/search/physics?searchtype=author&query=Ball%2C+M">M. Ball</a>, <a href="/search/physics?searchtype=author&query=Barnaf%C3%B6ldi%2C+G+G">G. G. Barnaf枚ldi</a>, <a href="/search/physics?searchtype=author&query=Bartsch%2C+E">E. Bartsch</a>, <a href="/search/physics?searchtype=author&query=Becht%2C+P">P. Becht</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Berdnikova%2C+A">A. Berdnikova</a>, <a href="/search/physics?searchtype=author&query=Berger%2C+M">M. Berger</a>, <a href="/search/physics?searchtype=author&query=Bialas%2C+N">N. Bialas</a>, <a href="/search/physics?searchtype=author&query=Bialas%2C+P">P. Bialas</a> , et al. (210 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="2012.09518v2-abstract-short" style="display: inline;"> The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers and front-end electronics, which are driven by the goals of the experiment. Gas Electron Multiplier (GEM) detectors arranged in stacks containing four GEMs each, and continuous re… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.09518v2-abstract-full').style.display = 'inline'; document.getElementById('2012.09518v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2012.09518v2-abstract-full" style="display: none;"> The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers and front-end electronics, which are driven by the goals of the experiment. Gas Electron Multiplier (GEM) detectors arranged in stacks containing four GEMs each, and continuous readout electronics based on the SAMPA chip, an ALICE development, are replacing the previous elements. The construction of these new elements, together with their associated quality control procedures, is explained in detail. Finally, the readout chamber and front-end electronics cards replacement, together with the commissioning of the detector prior to installation in the experimental cavern, are presented. After a nine-year period of R&D, construction, and assembly, the upgrade of the TPC was completed in 2020. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.09518v2-abstract-full').style.display = 'none'; document.getElementById('2012.09518v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 March, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 December, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">88 pages, 60 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 16 (2021) P03022 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.01211">arXiv:1902.01211</a> <span> [<a href="https://arxiv.org/pdf/1902.01211">pdf</a>, <a href="https://arxiv.org/format/1902.01211">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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> <p class="title is-5 mathjax"> A next-generation LHC heavy-ion experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adamov%C3%A1%2C+D">D. Adamov谩</a>, <a href="/search/physics?searchtype=author&query=Rinella%2C+G+A">G. Aglieri Rinella</a>, <a href="/search/physics?searchtype=author&query=Agnello%2C+M">M. Agnello</a>, <a href="/search/physics?searchtype=author&query=Ahammed%2C+Z">Z. Ahammed</a>, <a href="/search/physics?searchtype=author&query=Aleksandrov%2C+D">D. Aleksandrov</a>, <a href="/search/physics?searchtype=author&query=Alici%2C+A">A. Alici</a>, <a href="/search/physics?searchtype=author&query=Alkin%2C+A">A. Alkin</a>, <a href="/search/physics?searchtype=author&query=Alt%2C+T">T. Alt</a>, <a href="/search/physics?searchtype=author&query=Altsybeev%2C+I">I. Altsybeev</a>, <a href="/search/physics?searchtype=author&query=Andreou%2C+D">D. Andreou</a>, <a href="/search/physics?searchtype=author&query=Andronic%2C+A">A. Andronic</a>, <a href="/search/physics?searchtype=author&query=Antinori%2C+F">F. Antinori</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Appelsh%C3%A4user%2C+H">H. Appelsh盲user</a>, <a href="/search/physics?searchtype=author&query=Arnaldi%2C+R">R. Arnaldi</a>, <a href="/search/physics?searchtype=author&query=Arsene%2C+I+C">I. C. Arsene</a>, <a href="/search/physics?searchtype=author&query=Arslandok%2C+M">M. Arslandok</a>, <a href="/search/physics?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/physics?searchtype=author&query=Azmi%2C+M+D">M. D. Azmi</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+X">X. Bai</a>, <a href="/search/physics?searchtype=author&query=Bailhache%2C+R">R. Bailhache</a>, <a href="/search/physics?searchtype=author&query=Bala%2C+R">R. Bala</a>, <a href="/search/physics?searchtype=author&query=Barioglio%2C+L">L. Barioglio</a>, <a href="/search/physics?searchtype=author&query=Barnaf%C3%B6ldi%2C+G+G">G. G. Barnaf枚ldi</a>, <a href="/search/physics?searchtype=author&query=Barnby%2C+L+S">L. S. Barnby</a> , et al. (374 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="1902.01211v2-abstract-short" style="display: inline;"> The present document discusses plans for a compact, next-generation multi-purpose detector at the LHC as a follow-up to the present ALICE experiment. The aim is to build a nearly massless barrel detector consisting of truly cylindrical layers based on curved wafer-scale ultra-thin silicon sensors with MAPS technology, featuring an unprecedented low material budget of 0.05% X$_0$ per layer, with th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.01211v2-abstract-full').style.display = 'inline'; document.getElementById('1902.01211v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.01211v2-abstract-full" style="display: none;"> The present document discusses plans for a compact, next-generation multi-purpose detector at the LHC as a follow-up to the present ALICE experiment. The aim is to build a nearly massless barrel detector consisting of truly cylindrical layers based on curved wafer-scale ultra-thin silicon sensors with MAPS technology, featuring an unprecedented low material budget of 0.05% X$_0$ per layer, with the innermost layers possibly positioned inside the beam pipe. In addition to superior tracking and vertexing capabilities over a wide momentum range down to a few tens of MeV/$c$, the detector will provide particle identification via time-of-flight determination with about 20~ps resolution. In addition, electron and photon identification will be performed in a separate shower detector. The proposed detector is conceived for studies of pp, pA and AA collisions at luminosities a factor of 20 to 50 times higher than possible with the upgraded ALICE detector, enabling a rich physics program ranging from measurements with electromagnetic probes at ultra-low transverse momenta to precision physics in the charm and beauty sector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.01211v2-abstract-full').style.display = 'none'; document.getElementById('1902.01211v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 May, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 January, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Input to the 2020 Update of the European Particle Physics Strategy</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1805.03234">arXiv:1805.03234</a> <span> [<a href="https://arxiv.org/pdf/1805.03234">pdf</a>, <a href="https://arxiv.org/format/1805.03234">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link 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/10.1016/j.nima.2018.06.084">10.1016/j.nima.2018.06.084 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Particle identification studies with a full-size 4-GEM prototype for the ALICE TPC upgrade </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aggarwal%2C+M+M">M. M. Aggarwal</a>, <a href="/search/physics?searchtype=author&query=Ahammed%2C+Z">Z. Ahammed</a>, <a href="/search/physics?searchtype=author&query=Aiola%2C+S">S. Aiola</a>, <a href="/search/physics?searchtype=author&query=Alme%2C+J">J. Alme</a>, <a href="/search/physics?searchtype=author&query=Alt%2C+T">T. Alt</a>, <a href="/search/physics?searchtype=author&query=Amend%2C+W">W. Amend</a>, <a href="/search/physics?searchtype=author&query=Andronic%2C+A">A. Andronic</a>, <a href="/search/physics?searchtype=author&query=Anguelov%2C+V">V. Anguelov</a>, <a href="/search/physics?searchtype=author&query=Appelsh%C3%A4user%2C+H">H. Appelsh盲user</a>, <a href="/search/physics?searchtype=author&query=Arslandok%2C+M">M. Arslandok</a>, <a href="/search/physics?searchtype=author&query=Averbeck%2C+R">R. Averbeck</a>, <a href="/search/physics?searchtype=author&query=Ball%2C+M">M. Ball</a>, <a href="/search/physics?searchtype=author&query=Barnaf%C3%B6ldi%2C+G+G">G. G. Barnaf枚ldi</a>, <a href="/search/physics?searchtype=author&query=Bartsch%2C+E">E. Bartsch</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Bencedi%2C+G">G. Bencedi</a>, <a href="/search/physics?searchtype=author&query=Berger%2C+M">M. Berger</a>, <a href="/search/physics?searchtype=author&query=Bialas%2C+N">N. Bialas</a>, <a href="/search/physics?searchtype=author&query=Bialas%2C+P">P. Bialas</a>, <a href="/search/physics?searchtype=author&query=Bianchi%2C+L">L. Bianchi</a>, <a href="/search/physics?searchtype=author&query=Biswas%2C+S">S. Biswas</a>, <a href="/search/physics?searchtype=author&query=Boldizs%C3%A1r%2C+L">L. Boldizs谩r</a>, <a href="/search/physics?searchtype=author&query=Bratrud%2C+L">L. Bratrud</a>, <a href="/search/physics?searchtype=author&query=Braun-Munzinger%2C+P">P. Braun-Munzinger</a>, <a href="/search/physics?searchtype=author&query=Bregant%2C+M">M. Bregant</a> , et al. (155 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="1805.03234v2-abstract-short" style="display: inline;"> A large Time Projection Chamber is the main device for tracking and charged-particle identification in the ALICE experiment at the CERN LHC. After the second long shutdown in 2019/20, the LHC will deliver Pb beams colliding at an interaction rate of about 50 kHz, which is about a factor of 50 above the present readout rate of the TPC. This will result in a significant improvement on the sensitivit… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.03234v2-abstract-full').style.display = 'inline'; document.getElementById('1805.03234v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1805.03234v2-abstract-full" style="display: none;"> A large Time Projection Chamber is the main device for tracking and charged-particle identification in the ALICE experiment at the CERN LHC. After the second long shutdown in 2019/20, the LHC will deliver Pb beams colliding at an interaction rate of about 50 kHz, which is about a factor of 50 above the present readout rate of the TPC. This will result in a significant improvement on the sensitivity to rare probes that are considered key observables to characterize the QCD matter created in such collisions. In order to make full use of this luminosity, the currently used gated Multi-Wire Proportional Chambers will be replaced. The upgrade relies on continuously operated readout detectors employing Gas Electron Multiplier technology to retain the performance in terms of particle identification via the measurement of the specific energy loss by ionization d$E$/d$x$. A full-size readout chamber prototype was assembled in 2014 featuring a stack of four GEM foils as an amplification stage. The performance of the prototype was evaluated in a test beam campaign at the CERN PS. The d$E$/d$x$ resolution complies with both the performance of the currently operated MWPC-based readout chambers and the challenging requirements of the ALICE TPC upgrade program. Detailed simulations of the readout system are able to reproduce the data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1805.03234v2-abstract-full').style.display = 'none'; document.getElementById('1805.03234v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 June, 2018; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 May, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Submitted to NIM A</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Instrum. Meth. A903 (2018), 215-223 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1008.0413">arXiv:1008.0413</a> <span> [<a href="https://arxiv.org/pdf/1008.0413">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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"> ALICE EMCal Physics Performance Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">Rene Bellwied</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="1008.0413v1-abstract-short" style="display: inline;"> The ALICE detector at the LHC (A Large Ion Collider Experiment) will carry out comprehensive measurements of high energy nucleus-nucleus collisions, in order to study QCD matter under extreme conditions and the phase transtion between con茂ned matter and the Quark-Gluon Plasma (QGP). This report presents our current state of understanding of the Physics Performance of the large acceptance Electro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1008.0413v1-abstract-full').style.display = 'inline'; document.getElementById('1008.0413v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1008.0413v1-abstract-full" style="display: none;"> The ALICE detector at the LHC (A Large Ion Collider Experiment) will carry out comprehensive measurements of high energy nucleus-nucleus collisions, in order to study QCD matter under extreme conditions and the phase transtion between con茂ned matter and the Quark-Gluon Plasma (QGP). This report presents our current state of understanding of the Physics Performance of the large acceptance Electromagnetic Calorimeter (EMCal) in the ALICE central detector. The EMCal enhances ALICE's capabilities for jet measurements. The EMCal enables triggering and full reconstruction of high energy jets in ALICE, and augments existing ALICE capabilities to measure high momentum photons and electrons. Combined with ALICE's excellent capabilities to track and identify particles from very low pT to high pT, the EMCal enables a comprehensive study of jet interactions in the medium produced in heavy ion collisions at the LHC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1008.0413v1-abstract-full').style.display = 'none'; document.getElementById('1008.0413v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 August, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">150 pages, 116 figures, submitted to the U.S. Department of Energy</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/physics/9702008">arXiv:physics/9702008</a> <span> [<a href="https://arxiv.org/pdf/physics/9702008">pdf</a>, <a href="https://arxiv.org/ps/physics/9702008">ps</a>, <a href="https://arxiv.org/format/physics/9702008">other</a>] </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="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.78.2916">10.1103/PhysRevLett.78.2916 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Two-pion correlations in Au+Au collisions at 10.8 GeV/c per nucleon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=E877+Collaboration"> E877 Collaboration</a>, <a href="/search/physics?searchtype=author&query=Barrette%2C+J">J. Barrette</a>, <a href="/search/physics?searchtype=author&query=Bellwied%2C+R">R. Bellwied</a>, <a href="/search/physics?searchtype=author&query=Bennett%2C+S">S. Bennett</a>, <a href="/search/physics?searchtype=author&query=Bersch%2C+R">R. Bersch</a>, <a href="/search/physics?searchtype=author&query=Braun-Munzinger%2C+P">P. Braun-Munzinger</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+W+C">W. C. Chang</a>, <a href="/search/physics?searchtype=author&query=Cleland%2C+W+E">W. E. Cleland</a>, <a href="/search/physics?searchtype=author&query=Cole%2C+J+D">J. D. Cole</a>, <a href="/search/physics?searchtype=author&query=Cormier%2C+T+M">T. M. Cormier</a>, <a href="/search/physics?searchtype=author&query=David%2C+G">G. David</a>, <a href="/search/physics?searchtype=author&query=Dee%2C+J">J. Dee</a>, <a href="/search/physics?searchtype=author&query=Dietzsch%2C+O">O. Dietzsch</a>, <a href="/search/physics?searchtype=author&query=Drigert%2C+M+W">M. W. Drigert</a>, <a href="/search/physics?searchtype=author&query=Gilbert%2C+S">S. Gilbert</a>, <a href="/search/physics?searchtype=author&query=Hall%2C+J+R">J. R. Hall</a>, <a href="/search/physics?searchtype=author&query=Hemmick%2C+T+K">T. K. Hemmick</a>, <a href="/search/physics?searchtype=author&query=Herrmann%2C+N">N. Herrmann</a>, <a href="/search/physics?searchtype=author&query=Hong%2C+B">B. Hong</a>, <a href="/search/physics?searchtype=author&query=Jiang%2C+C+L">C. L. Jiang</a>, <a href="/search/physics?searchtype=author&query=Johnson%2C+S+C">S. C. Johnson</a>, <a href="/search/physics?searchtype=author&query=Kwon%2C+Y">Y. Kwon</a>, <a href="/search/physics?searchtype=author&query=Lacasse%2C+R">R. Lacasse</a>, <a href="/search/physics?searchtype=author&query=Lukaszew%2C+A">A. Lukaszew</a>, <a href="/search/physics?searchtype=author&query=Li%2C+Q">Q. Li</a> , et al. (26 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="physics/9702008v1-abstract-short" style="display: inline;"> Two-particle correlation functions for positive and negative pions have been measured in Au+Au collisions at 10.8~GeV/c per nucleon. The data were analyzed using one- and three-dimensional correlation functions. From the results of the three-dimensional fit the phase space density of pions was calculated. It is consistent with local thermal equilibrium. </span> <span class="abstract-full has-text-grey-dark mathjax" id="physics/9702008v1-abstract-full" style="display: none;"> Two-particle correlation functions for positive and negative pions have been measured in Au+Au collisions at 10.8~GeV/c per nucleon. The data were analyzed using one- and three-dimensional correlation functions. From the results of the three-dimensional fit the phase space density of pions was calculated. It is consistent with local thermal equilibrium. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/9702008v1-abstract-full').style.display = 'none'; document.getElementById('physics/9702008v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 February, 1997; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 1997. </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 RevTeX (including 3 Figures)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.78:2916-2919,1997 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a 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