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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/2307.08593">arXiv:2307.08593</a> <span> [<a href="https://arxiv.org/pdf/2307.08593">pdf</a>, <a href="https://arxiv.org/format/2307.08593">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="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="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Artificial Intelligence for the Electron Ion Collider (AI4EIC) </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Allaire%2C+C">C. Allaire</a>, <a href="/search/physics?searchtype=author&query=Ammendola%2C+R">R. Ammendola</a>, <a href="/search/physics?searchtype=author&query=Aschenauer%2C+E+-">E. -C. Aschenauer</a>, <a href="/search/physics?searchtype=author&query=Balandat%2C+M">M. Balandat</a>, <a href="/search/physics?searchtype=author&query=Battaglieri%2C+M">M. Battaglieri</a>, <a href="/search/physics?searchtype=author&query=Bernauer%2C+J">J. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Bond%C3%AC%2C+M">M. Bond矛</a>, <a href="/search/physics?searchtype=author&query=Branson%2C+N">N. Branson</a>, <a href="/search/physics?searchtype=author&query=Britton%2C+T">T. Britton</a>, <a href="/search/physics?searchtype=author&query=Butter%2C+A">A. Butter</a>, <a href="/search/physics?searchtype=author&query=Chahrour%2C+I">I. Chahrour</a>, <a href="/search/physics?searchtype=author&query=Chatagnon%2C+P">P. Chatagnon</a>, <a href="/search/physics?searchtype=author&query=Cisbani%2C+E">E. Cisbani</a>, <a href="/search/physics?searchtype=author&query=Cline%2C+E+W">E. W. Cline</a>, <a href="/search/physics?searchtype=author&query=Dash%2C+S">S. Dash</a>, <a href="/search/physics?searchtype=author&query=Dean%2C+C">C. Dean</a>, <a href="/search/physics?searchtype=author&query=Deconinck%2C+W">W. Deconinck</a>, <a href="/search/physics?searchtype=author&query=Deshpande%2C+A">A. Deshpande</a>, <a href="/search/physics?searchtype=author&query=Diefenthaler%2C+M">M. Diefenthaler</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Fanelli%2C+C">C. Fanelli</a>, <a href="/search/physics?searchtype=author&query=Finger%2C+M">M. Finger</a>, <a href="/search/physics?searchtype=author&query=Finger%2C%2C+M">M. Finger, Jr.</a>, <a href="/search/physics?searchtype=author&query=Fol%2C+E">E. Fol</a>, <a href="/search/physics?searchtype=author&query=Furletov%2C+S">S. Furletov</a> , et al. (70 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="2307.08593v1-abstract-short" style="display: inline;"> The Electron-Ion Collider (EIC), a state-of-the-art facility for studying the strong force, is expected to begin commissioning its first experiments in 2028. This is an opportune time for artificial intelligence (AI) to be included from the start at this facility and in all phases that lead up to the experiments. The second annual workshop organized by the AI4EIC working group, which recently took… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.08593v1-abstract-full').style.display = 'inline'; document.getElementById('2307.08593v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2307.08593v1-abstract-full" style="display: none;"> The Electron-Ion Collider (EIC), a state-of-the-art facility for studying the strong force, is expected to begin commissioning its first experiments in 2028. This is an opportune time for artificial intelligence (AI) to be included from the start at this facility and in all phases that lead up to the experiments. The second annual workshop organized by the AI4EIC working group, which recently took place, centered on exploring all current and prospective application areas of AI for the EIC. This workshop is not only beneficial for the EIC, but also provides valuable insights for the newly established ePIC collaboration at EIC. This paper summarizes the different activities and R&D projects covered across the sessions of the workshop and provides an overview of the goals, approaches and strategies regarding AI/ML in the EIC community, as well as cutting-edge techniques currently studied in other experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.08593v1-abstract-full').style.display = 'none'; document.getElementById('2307.08593v1-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 July, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">27 pages, 11 figures, AI4EIC workshop, tutorials and hackathon</span> </p> </li> <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/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/2105.13564">arXiv:2105.13564</a> <span> [<a href="https://arxiv.org/pdf/2105.13564">pdf</a>, <a href="https://arxiv.org/format/2105.13564">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> </div> </div> <p class="title is-5 mathjax"> Design concept for the second interaction region for Electron-Ion Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gamage%2C+B+R">B. R. Gamage</a>, <a href="/search/physics?searchtype=author&query=Aschenauer%2C+E+-">E. -C. Aschenauer</a>, <a href="/search/physics?searchtype=author&query=Berg%2C+J+S">J. S. Berg</a>, <a href="/search/physics?searchtype=author&query=Burkert%2C+V">V. Burkert</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Furletova%2C+Y">Y. Furletova</a>, <a href="/search/physics?searchtype=author&query=Higinbotham%2C+D">D. Higinbotham</a>, <a href="/search/physics?searchtype=author&query=Hutton%2C+A">A. Hutton</a>, <a href="/search/physics?searchtype=author&query=Hyde%2C+C">C. Hyde</a>, <a href="/search/physics?searchtype=author&query=Jentsch%2C+A">A. Jentsch</a>, <a href="/search/physics?searchtype=author&query=Kiselev%2C+A">A. Kiselev</a>, <a href="/search/physics?searchtype=author&query=Lin%2C+F">F. Lin</a>, <a href="/search/physics?searchtype=author&query=Michalski%2C+T">T. Michalski</a>, <a href="/search/physics?searchtype=author&query=Montag%2C+C">C. Montag</a>, <a href="/search/physics?searchtype=author&query=Morozov%2C+V+S">V. S. Morozov</a>, <a href="/search/physics?searchtype=author&query=Nadel-Turonski%2C+P">P. Nadel-Turonski</a>, <a href="/search/physics?searchtype=author&query=Palmer%2C+R">R. Palmer</a>, <a href="/search/physics?searchtype=author&query=Parker%2C+B">B. Parker</a>, <a href="/search/physics?searchtype=author&query=Ptitsyn%2C+V">V. Ptitsyn</a>, <a href="/search/physics?searchtype=author&query=Rajput-Ghoshal%2C+R">R. Rajput-Ghoshal</a>, <a href="/search/physics?searchtype=author&query=Romanov%2C+D">D. Romanov</a>, <a href="/search/physics?searchtype=author&query=Satogata%2C+T">T. Satogata</a>, <a href="/search/physics?searchtype=author&query=Seryi%2C+A">A. Seryi</a>, <a href="/search/physics?searchtype=author&query=Sy%2C+A">A. Sy</a>, <a href="/search/physics?searchtype=author&query=Weiss%2C+C">C. Weiss</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="2105.13564v2-abstract-short" style="display: inline;"> The possibility of two interaction regions (IRs) is a design requirement for the Electron Ion Collider (the EIC). There is also a significant interest from the nuclear physics community in a 2nd IR with measurements capabilities complementary to those of the first IR. While the 2nd IR will be in operation over the entire energy range of ~20GeV to ~140GeV center of mass (CM). The 2nd IR can also pr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.13564v2-abstract-full').style.display = 'inline'; document.getElementById('2105.13564v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2105.13564v2-abstract-full" style="display: none;"> The possibility of two interaction regions (IRs) is a design requirement for the Electron Ion Collider (the EIC). There is also a significant interest from the nuclear physics community in a 2nd IR with measurements capabilities complementary to those of the first IR. While the 2nd IR will be in operation over the entire energy range of ~20GeV to ~140GeV center of mass (CM). The 2nd IR can also provide an acceptance coverage complementary to that of the first. We present a brief overview and the current progress of the 2nd IR design in terms of the parameters, magnet layout, and beam dynamics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.13564v2-abstract-full').style.display = 'none'; document.getElementById('2105.13564v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 August, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">To be published in the proceedings of IPAC'21</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2103.05419">arXiv:2103.05419</a> <span> [<a href="https://arxiv.org/pdf/2103.05419">pdf</a>, <a href="https://arxiv.org/format/2103.05419">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="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/10.1016/j.nuclphysa.2022.122447">10.1016/j.nuclphysa.2022.122447 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Science Requirements and Detector Concepts for the Electron-Ion Collider: EIC Yellow Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Khalek%2C+R+A">R. Abdul Khalek</a>, <a href="/search/physics?searchtype=author&query=Accardi%2C+A">A. Accardi</a>, <a href="/search/physics?searchtype=author&query=Adam%2C+J">J. Adam</a>, <a href="/search/physics?searchtype=author&query=Adamiak%2C+D">D. Adamiak</a>, <a href="/search/physics?searchtype=author&query=Akers%2C+W">W. Akers</a>, <a href="/search/physics?searchtype=author&query=Albaladejo%2C+M">M. Albaladejo</a>, <a href="/search/physics?searchtype=author&query=Al-bataineh%2C+A">A. Al-bataineh</a>, <a href="/search/physics?searchtype=author&query=Alexeev%2C+M+G">M. G. Alexeev</a>, <a href="/search/physics?searchtype=author&query=Ameli%2C+F">F. Ameli</a>, <a href="/search/physics?searchtype=author&query=Antonioli%2C+P">P. Antonioli</a>, <a href="/search/physics?searchtype=author&query=Armesto%2C+N">N. Armesto</a>, <a href="/search/physics?searchtype=author&query=Armstrong%2C+W+R">W. R. Armstrong</a>, <a href="/search/physics?searchtype=author&query=Arratia%2C+M">M. Arratia</a>, <a href="/search/physics?searchtype=author&query=Arrington%2C+J">J. Arrington</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Asai%2C+M">M. Asai</a>, <a href="/search/physics?searchtype=author&query=Aschenauer%2C+E+C">E. C. Aschenauer</a>, <a href="/search/physics?searchtype=author&query=Aune%2C+S">S. Aune</a>, <a href="/search/physics?searchtype=author&query=Avagyan%2C+H">H. Avagyan</a>, <a href="/search/physics?searchtype=author&query=Gayoso%2C+C+A">C. Ayerbe Gayoso</a>, <a href="/search/physics?searchtype=author&query=Azmoun%2C+B">B. Azmoun</a>, <a href="/search/physics?searchtype=author&query=Bacchetta%2C+A">A. Bacchetta</a>, <a href="/search/physics?searchtype=author&query=Baker%2C+M+D">M. D. Baker</a>, <a href="/search/physics?searchtype=author&query=Barbosa%2C+F">F. Barbosa</a>, <a href="/search/physics?searchtype=author&query=Barion%2C+L">L. Barion</a> , et al. (390 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="2103.05419v3-abstract-short" style="display: inline;"> This report describes the physics case, the resulting detector requirements, and the evolving detector concepts for the experimental program at the Electron-Ion Collider (EIC). The EIC will be a powerful new high-luminosity facility in the United States with the capability to collide high-energy electron beams with high-energy proton and ion beams, providing access to those regions in the nucleon… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.05419v3-abstract-full').style.display = 'inline'; document.getElementById('2103.05419v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2103.05419v3-abstract-full" style="display: none;"> This report describes the physics case, the resulting detector requirements, and the evolving detector concepts for the experimental program at the Electron-Ion Collider (EIC). The EIC will be a powerful new high-luminosity facility in the United States with the capability to collide high-energy electron beams with high-energy proton and ion beams, providing access to those regions in the nucleon and nuclei where their structure is dominated by gluons. Moreover, polarized beams in the EIC will give unprecedented access to the spatial and spin structure of the proton, neutron, and light ions. The studies leading to this document were commissioned and organized by the EIC User Group with the objective of advancing the state and detail of the physics program and developing detector concepts that meet the emerging requirements in preparation for the realization of the EIC. The effort aims to provide the basis for further development of concepts for experimental equipment best suited for the science needs, including the importance of two complementary detectors and interaction regions. This report consists of three volumes. Volume I is an executive summary of our findings and developed concepts. In Volume II we describe studies of a wide range of physics measurements and the emerging requirements on detector acceptance and performance. Volume III discusses general-purpose detector concepts and the underlying technologies to meet the physics requirements. These considerations will form the basis for a world-class experimental program that aims to increase our understanding of the fundamental structure of all visible matter <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.05419v3-abstract-full').style.display = 'none'; document.getElementById('2103.05419v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 March, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">902 pages, 415 authors, 151 institutions</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> BNL-220990-2021-FORE, JLAB-PHY-21-3198, LA-UR-21-20953 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl. Phys. A 1026 (2022) 122447 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1912.07355">arXiv:1912.07355</a> <span> [<a href="https://arxiv.org/pdf/1912.07355">pdf</a>, <a href="https://arxiv.org/format/1912.07355">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 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.2020.163429">10.1016/j.nima.2020.163429 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Conceptual Design Study of a Compact Photon Source (CPS) for Jefferson Lab </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Day%2C+D">D. Day</a>, <a href="/search/physics?searchtype=author&query=Degtiarenko%2C+P">P. Degtiarenko</a>, <a href="/search/physics?searchtype=author&query=Dobbs%2C+S">S. Dobbs</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Hamilton%2C+D+J">D. J. Hamilton</a>, <a href="/search/physics?searchtype=author&query=Horn%2C+T">T. Horn</a>, <a href="/search/physics?searchtype=author&query=Keller%2C+D">D. Keller</a>, <a href="/search/physics?searchtype=author&query=Keppel%2C+C">C. Keppel</a>, <a href="/search/physics?searchtype=author&query=Niculescu%2C+G">G. Niculescu</a>, <a href="/search/physics?searchtype=author&query=Reid%2C+P">P. Reid</a>, <a href="/search/physics?searchtype=author&query=Strakovsky%2C+I">I. Strakovsky</a>, <a href="/search/physics?searchtype=author&query=Wojtsekhowski%2C+B">B. Wojtsekhowski</a>, <a href="/search/physics?searchtype=author&query=Zhang%2C+J">J. Zhang</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="1912.07355v1-abstract-short" style="display: inline;"> This document describes the technical design concept of a compact high intensity, multi-GeV photon source. Capable of producing 10^12 equivalent photons per second this novel device will provide unprecedented access to physics processes with very small scattering probabilities such as hard exclusive reactions on the nucleon. When combined with dynamic nuclear polarized targets, its deployment will… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1912.07355v1-abstract-full').style.display = 'inline'; document.getElementById('1912.07355v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1912.07355v1-abstract-full" style="display: none;"> This document describes the technical design concept of a compact high intensity, multi-GeV photon source. Capable of producing 10^12 equivalent photons per second this novel device will provide unprecedented access to physics processes with very small scattering probabilities such as hard exclusive reactions on the nucleon. When combined with dynamic nuclear polarized targets, its deployment will result in a large gain in polarized experiment figure-of-merit compared to all previous measurements. Compared to a traditional bremsstrahlung photon source the proposed concept presents several advantages, most significantly in providing a full intensity in a small spot at the target and in taking advantage of the narrow angular spread associated with high energy bremsstrahlung compare to the wide angular distribution of the secondary radiation to minimize the operational prompt and activation radiation dose rates. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1912.07355v1-abstract-full').style.display = 'none'; document.getElementById('1912.07355v1-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 December, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2019. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages, 20 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1911.11577">arXiv:1911.11577</a> <span> [<a href="https://arxiv.org/pdf/1911.11577">pdf</a>, <a href="https://arxiv.org/format/1911.11577">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.2019.163375">10.1016/j.nima.2019.163375 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Scintillating crystals for the Neutral Particle Spectrometer in Hall C at JLab </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Horn%2C+T">T. Horn</a>, <a href="/search/physics?searchtype=author&query=Berdnikov%2C+V+V">V. V. Berdnikov</a>, <a href="/search/physics?searchtype=author&query=Ali%2C+S">S. Ali</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Carmignotto%2C+M">M. Carmignotto</a>, <a href="/search/physics?searchtype=author&query=Crafts%2C+J">J. Crafts</a>, <a href="/search/physics?searchtype=author&query=Demarque%2C+A">A. Demarque</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Hull%2C+G">G. Hull</a>, <a href="/search/physics?searchtype=author&query=Ko%2C+H+-">H. -S. Ko</a>, <a href="/search/physics?searchtype=author&query=Mostafavi%2C+M">M. Mostafavi</a>, <a href="/search/physics?searchtype=author&query=Munoz-Camacho%2C+C">C. Munoz-Camacho</a>, <a href="/search/physics?searchtype=author&query=Mkrtchyan%2C+A">A. Mkrtchyan</a>, <a href="/search/physics?searchtype=author&query=Mkrtchyan%2C+H">H. Mkrtchyan</a>, <a href="/search/physics?searchtype=author&query=Trung%2C+T+N">T. Nguyen Trung</a>, <a href="/search/physics?searchtype=author&query=Pegg%2C+I+L">I. L. Pegg</a>, <a href="/search/physics?searchtype=author&query=Rindel%2C+E">E. Rindel</a>, <a href="/search/physics?searchtype=author&query=Somov%2C+A">A. Somov</a>, <a href="/search/physics?searchtype=author&query=Tadevosyan%2C+V">V. Tadevosyan</a>, <a href="/search/physics?searchtype=author&query=Trotta%2C+R">R. Trotta</a>, <a href="/search/physics?searchtype=author&query=Zhamkochyan%2C+S">S. Zhamkochyan</a>, <a href="/search/physics?searchtype=author&query=Wang%2C+R">R. Wang</a>, <a href="/search/physics?searchtype=author&query=Wood%2C+S+A">S. A. Wood</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="1911.11577v1-abstract-short" style="display: inline;"> This paper discusses the quality and performance of currently available PbWO$_4$ crystals of relevance to high-resolution electromagnetic calorimetry, e.g. detectors for the Neutral Particle Spectrometer at Jefferson Lab or those planned for the Electron-Ion Collider. Since the construction of the Compact Muon Solenoid (CMS) at the Large Hadron Collider (LHC) and early PANDA (The antiProton ANnihi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.11577v1-abstract-full').style.display = 'inline'; document.getElementById('1911.11577v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1911.11577v1-abstract-full" style="display: none;"> This paper discusses the quality and performance of currently available PbWO$_4$ crystals of relevance to high-resolution electromagnetic calorimetry, e.g. detectors for the Neutral Particle Spectrometer at Jefferson Lab or those planned for the Electron-Ion Collider. Since the construction of the Compact Muon Solenoid (CMS) at the Large Hadron Collider (LHC) and early PANDA (The antiProton ANnihilations at DArmstadt) electromagnetic calorimeter (ECAL) the worldwide availability of high quality PbWO$_4$ production has changed dramatically. We report on our studies of crystal samples from SICCAS/China and CRYTUR/Czech Republic that were produced between 2014 and 2019. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1911.11577v1-abstract-full').style.display = 'none'; document.getElementById('1911.11577v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 November, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 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">20 pages, 30 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1711.09089">arXiv:1711.09089</a> <span> [<a href="https://arxiv.org/pdf/1711.09089">pdf</a>, <a href="https://arxiv.org/format/1711.09089">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.2017.12.008">10.1016/j.nima.2017.12.008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Design and Performance of the Spin Asymmetries of the Nucleon Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Maxwell%2C+J+D">J. D. Maxwell</a>, <a href="/search/physics?searchtype=author&query=Armstrong%2C+W+R">W. R. Armstrong</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+S">S. Choi</a>, <a href="/search/physics?searchtype=author&query=Jones%2C+M+K">M. K. Jones</a>, <a href="/search/physics?searchtype=author&query=Kang%2C+H">H. Kang</a>, <a href="/search/physics?searchtype=author&query=Liyanage%2C+A">A. Liyanage</a>, <a href="/search/physics?searchtype=author&query=Meziani%2C+Z+-">Z. -E. Meziani</a>, <a href="/search/physics?searchtype=author&query=Mulholland%2C+J">J. Mulholland</a>, <a href="/search/physics?searchtype=author&query=Ndukum%2C+L">L. Ndukum</a>, <a href="/search/physics?searchtype=author&query=Rondon%2C+O+A">O. A. Rondon</a>, <a href="/search/physics?searchtype=author&query=Ahmidouch%2C+A">A. Ahmidouch</a>, <a href="/search/physics?searchtype=author&query=Albayrak%2C+I">I. Albayrak</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Ates%2C+O">O. Ates</a>, <a href="/search/physics?searchtype=author&query=Baghdasaryan%2C+H">H. Baghdasaryan</a>, <a href="/search/physics?searchtype=author&query=Boeglin%2C+W">W. Boeglin</a>, <a href="/search/physics?searchtype=author&query=Bosted%2C+P">P. Bosted</a>, <a href="/search/physics?searchtype=author&query=Brash%2C+E">E. Brash</a>, <a href="/search/physics?searchtype=author&query=Brock%2C+J">J. Brock</a>, <a href="/search/physics?searchtype=author&query=Butuceanu%2C+C">C. Butuceanu</a>, <a href="/search/physics?searchtype=author&query=Bychkov%2C+M">M. Bychkov</a>, <a href="/search/physics?searchtype=author&query=Carlin%2C+C">C. Carlin</a>, <a href="/search/physics?searchtype=author&query=Carter%2C+P">P. Carter</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+C">C. Chen</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+J+-">J. -P. Chen</a> , et al. (80 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="1711.09089v2-abstract-short" style="display: inline;"> The Spin Asymmetries of the Nucleon Experiment (SANE) performed inclusive, double-polarized electron scattering measurements of the proton at the Continuous Electron Beam Accelerator Facility at Jefferson Lab. A novel detector array observed scattered electrons of four-momentum transfer $2.5 < Q^2< 6.5$ GeV$^2$ and Bjorken scaling $0.3<x<0.8$ from initial beam energies of 4.7 and 5.9 GeV. Employin… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.09089v2-abstract-full').style.display = 'inline'; document.getElementById('1711.09089v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1711.09089v2-abstract-full" style="display: none;"> The Spin Asymmetries of the Nucleon Experiment (SANE) performed inclusive, double-polarized electron scattering measurements of the proton at the Continuous Electron Beam Accelerator Facility at Jefferson Lab. A novel detector array observed scattered electrons of four-momentum transfer $2.5 < Q^2< 6.5$ GeV$^2$ and Bjorken scaling $0.3<x<0.8$ from initial beam energies of 4.7 and 5.9 GeV. Employing a polarized proton target whose magnetic field direction could be rotated with respect to the incident electron beam, both parallel and near perpendicular spin asymmetries were measured, allowing model-independent access to transverse polarization observables $A_1$, $A_2$, $g_1$, $g_2$ and moment $d_2$ of the proton. This document summarizes the operation and performance of the polarized target, polarized electron beam, and novel detector systems used during the course of the experiment, and describes analysis techniques utilized to access the physics observables of interest. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1711.09089v2-abstract-full').style.display = 'none'; document.getElementById('1711.09089v2-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 December, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 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">Report number:</span> JLAB-PHY-17-2595 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1607.05264">arXiv:1607.05264</a> <span> [<a href="https://arxiv.org/pdf/1607.05264">pdf</a>, <a href="https://arxiv.org/ps/1607.05264">ps</a>, <a href="https://arxiv.org/format/1607.05264">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.2016.10.039">10.1016/j.nima.2016.10.039 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Aerogel Cherenkov Detector for the SHMS magnetic spectrometer in Hall C at Jefferson Lab </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Horn%2C+T">T. Horn</a>, <a href="/search/physics?searchtype=author&query=Mkrtchyan%2C+H">H. Mkrtchyan</a>, <a href="/search/physics?searchtype=author&query=Ali%2C+S">S. Ali</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Carmignotto%2C+M+A+P">M. A. P. Carmignotto</a>, <a href="/search/physics?searchtype=author&query=Dittmann%2C+A">A. Dittmann</a>, <a href="/search/physics?searchtype=author&query=Dutta%2C+D">D. Dutta</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Hlavin%2C+N">N. Hlavin</a>, <a href="/search/physics?searchtype=author&query=Illieva%2C+Y">Y. Illieva</a>, <a href="/search/physics?searchtype=author&query=Mkrtchyan%2C+A">A. Mkrtchyan</a>, <a href="/search/physics?searchtype=author&query=Nadel-Turonski%2C+P">P. Nadel-Turonski</a>, <a href="/search/physics?searchtype=author&query=Pegg%2C+I+L">I. L. Pegg</a>, <a href="/search/physics?searchtype=author&query=Ramos%2C+A">A. Ramos</a>, <a href="/search/physics?searchtype=author&query=Reinhold%2C+J">J. Reinhold</a>, <a href="/search/physics?searchtype=author&query=Sapkota%2C+I">I. Sapkota</a>, <a href="/search/physics?searchtype=author&query=Tadevosyan%2C+V">V. Tadevosyan</a>, <a href="/search/physics?searchtype=author&query=Zhamkochyan%2C+S">S. Zhamkochyan</a>, <a href="/search/physics?searchtype=author&query=Wood%2C+S+A">S. A. Wood</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="1607.05264v1-abstract-short" style="display: inline;"> Hadronic reactions producing strange quarks such as exclusive or semi-inclusive kaon production, play an important role in studies of hadron structure and the dynamics that bind the most basic elements of nuclear physics. The small-angle capability of the new Super High Momentum Spectrometer (SHMS) in Hall C, coupled with its high momentum reach - up to the anticipated 11-GeV beam energy in Hall C… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1607.05264v1-abstract-full').style.display = 'inline'; document.getElementById('1607.05264v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1607.05264v1-abstract-full" style="display: none;"> Hadronic reactions producing strange quarks such as exclusive or semi-inclusive kaon production, play an important role in studies of hadron structure and the dynamics that bind the most basic elements of nuclear physics. The small-angle capability of the new Super High Momentum Spectrometer (SHMS) in Hall C, coupled with its high momentum reach - up to the anticipated 11-GeV beam energy in Hall C - and coincidence capability with the well-understood High Momentum Spectrometer, will allow for probes of such hadron structure involving strangeness down to the smallest distance scales to date. To cleanly select the kaons, a threshold aerogel Cerenkov detector has been constructed for the SHMS. The detector consists of an aerogel tray followed by a diffusion box. Four trays for aerogel of nominal refractive indices of n=1.030, 1.020, 1.015 and 1.011 were constructed. The tray combination will allow for identification of kaons from 1 GeV/c up to 7.2 GeV/c, reaching 10^-2 proton and 10^-3 pion rejection, with kaon detection efficiency better than 95%. The diffusion box of the detector is equipped with 14 five-inch diameter photomultiplier tubes. Its interior walls are covered with Gore diffusive reflector, which is superior to the commonly used Millipore paper and improved the detector performance by 35%. The inner surface of the two aerogel trays with higher refractive index is covered with Millipore paper, however, those two trays with lower aerogel refractive index are again covered with Gore diffusive reflector for higher performance. The measured mean number of photoelectrons in saturation is ~12 for n=1.030, ~sim8 for n=1.020, ~10 for n=1.015, and ~5.5 for n=1.011. The design details, the results of component characterization, and initial performance tests and optimization of the detector are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1607.05264v1-abstract-full').style.display = 'none'; document.getElementById('1607.05264v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 July, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2016. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1504.07961">arXiv:1504.07961</a> <span> [<a href="https://arxiv.org/pdf/1504.07961">pdf</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> </div> </div> <p class="title is-5 mathjax"> MEIC Design Summary </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abeyratne%2C+S">S. Abeyratne</a>, <a href="/search/physics?searchtype=author&query=Barber%2C+D">D. Barber</a>, <a href="/search/physics?searchtype=author&query=Bogacz%2C+A">A. Bogacz</a>, <a href="/search/physics?searchtype=author&query=Brindza%2C+P">P. Brindza</a>, <a href="/search/physics?searchtype=author&query=Cai%2C+Y">Y. Cai</a>, <a href="/search/physics?searchtype=author&query=Camsonne%2C+A">A. Camsonne</a>, <a href="/search/physics?searchtype=author&query=Castilla%2C+A">A. Castilla</a>, <a href="/search/physics?searchtype=author&query=Chevtsov%2C+P">P. Chevtsov</a>, <a href="/search/physics?searchtype=author&query=Daly%2C+E">E. Daly</a>, <a href="/search/physics?searchtype=author&query=Derbenev%2C+Y+S">Y. S. Derbenev</a>, <a href="/search/physics?searchtype=author&query=Douglas%2C+D">D. Douglas</a>, <a href="/search/physics?searchtype=author&query=Dudnikov%2C+V">V. Dudnikov</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Erdelyi%2C+B">B. Erdelyi</a>, <a href="/search/physics?searchtype=author&query=Filatov%2C+Y">Y. Filatov</a>, <a href="/search/physics?searchtype=author&query=Gaskell%2C+D">D. Gaskell</a>, <a href="/search/physics?searchtype=author&query=Grames%2C+J">J. Grames</a>, <a href="/search/physics?searchtype=author&query=Guo%2C+J">J. Guo</a>, <a href="/search/physics?searchtype=author&query=Harwood%2C+L">L. Harwood</a>, <a href="/search/physics?searchtype=author&query=Hutton%2C+A">A. Hutton</a>, <a href="/search/physics?searchtype=author&query=Hyde%2C+C">C. Hyde</a>, <a href="/search/physics?searchtype=author&query=Jordan%2C+K">K. Jordan</a>, <a href="/search/physics?searchtype=author&query=Kimber%2C+A">A. Kimber</a>, <a href="/search/physics?searchtype=author&query=Krafft%2C+G+A">G. A. Krafft</a>, <a href="/search/physics?searchtype=author&query=Kondratenko%2C+A">A. Kondratenko</a> , et al. (30 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="1504.07961v1-abstract-short" style="display: inline;"> This document summarizes the design of Jefferson Lab's electron-ion collider, MEIC, as of January 20, 2015, and describes the facility whose cost was estimated for the United States Department of Energy Nuclear Sciences Advisory Committee EIC cost review of January 26-28, 2015. In particular, each of the main technical systems within the collider is presented to the level of the best current infor… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.07961v1-abstract-full').style.display = 'inline'; document.getElementById('1504.07961v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1504.07961v1-abstract-full" style="display: none;"> This document summarizes the design of Jefferson Lab's electron-ion collider, MEIC, as of January 20, 2015, and describes the facility whose cost was estimated for the United States Department of Energy Nuclear Sciences Advisory Committee EIC cost review of January 26-28, 2015. In particular, each of the main technical systems within the collider is presented to the level of the best current information. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1504.07961v1-abstract-full').style.display = 'none'; document.getElementById('1504.07961v1-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> 29 April, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2015. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1401.6114">arXiv:1401.6114</a> <span> [<a href="https://arxiv.org/pdf/1401.6114">pdf</a>, <a href="https://arxiv.org/format/1401.6114">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="High Energy Physics - Phenomenology">hep-ph</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"> Planning the Future of U.S. Particle Physics (Snowmass 2013): Chapter 6: Accelerator Capabilities </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Barletta%2C+W+A">W. A. Barletta</a>, <a href="/search/physics?searchtype=author&query=Bai%2C+M">M. Bai</a>, <a href="/search/physics?searchtype=author&query=Battaglia%2C+M">M. Battaglia</a>, <a href="/search/physics?searchtype=author&query=Bruning%2C+O">O. Bruning</a>, <a href="/search/physics?searchtype=author&query=Byrd%2C+J">J. Byrd</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Flanagan%2C+J">J. Flanagan</a>, <a href="/search/physics?searchtype=author&query=Gai%2C+W">W. Gai</a>, <a href="/search/physics?searchtype=author&query=Galambos%2C+J">J. Galambos</a>, <a href="/search/physics?searchtype=author&query=Hoffstaetter%2C+G">G. Hoffstaetter</a>, <a href="/search/physics?searchtype=author&query=Hogan%2C+M">M. Hogan</a>, <a href="/search/physics?searchtype=author&query=Klute%2C+M">M. Klute</a>, <a href="/search/physics?searchtype=author&query=Nagaitsev%2C+S">S. Nagaitsev</a>, <a href="/search/physics?searchtype=author&query=Palmer%2C+M">M. Palmer</a>, <a href="/search/physics?searchtype=author&query=Prestemon%2C+S">S. Prestemon</a>, <a href="/search/physics?searchtype=author&query=Roser%2C+T">T. Roser</a>, <a href="/search/physics?searchtype=author&query=Rossi%2C+L">L. Rossi</a>, <a href="/search/physics?searchtype=author&query=Shiltsev%2C+V">V. Shiltsev</a>, <a href="/search/physics?searchtype=author&query=Varner%2C+G">G. Varner</a>, <a href="/search/physics?searchtype=author&query=Yokoya%2C+K">K. Yokoya</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="1401.6114v1-abstract-short" style="display: inline;"> These reports present the results of the 2013 Community Summer Study of the APS Division of Particles and Fields ("Snowmass 2013") on the future program of particle physics in the U.S. Chapter 6, on Accelerator Capabilities, discusses the future progress of accelerator technology, including issues for high-energy hadron and lepton colliders, high-intensity beams, electron-ion colliders, and necess… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.6114v1-abstract-full').style.display = 'inline'; document.getElementById('1401.6114v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1401.6114v1-abstract-full" style="display: none;"> These reports present the results of the 2013 Community Summer Study of the APS Division of Particles and Fields ("Snowmass 2013") on the future program of particle physics in the U.S. Chapter 6, on Accelerator Capabilities, discusses the future progress of accelerator technology, including issues for high-energy hadron and lepton colliders, high-intensity beams, electron-ion colliders, and necessary R&D for future accelerator technologies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.6114v1-abstract-full').style.display = 'none'; document.getElementById('1401.6114v1-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 January, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">26 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1307.4432">arXiv:1307.4432</a> <span> [<a href="https://arxiv.org/pdf/1307.4432">pdf</a>, <a href="https://arxiv.org/format/1307.4432">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"> DarkLight: A Search for Dark Forces at the Jefferson Laboratory Free-Electron Laser Facility </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Balewski%2C+J">J. Balewski</a>, <a href="/search/physics?searchtype=author&query=Bernauer%2C+J">J. Bernauer</a>, <a href="/search/physics?searchtype=author&query=Bertozzi%2C+W">W. Bertozzi</a>, <a href="/search/physics?searchtype=author&query=Bessuille%2C+J">J. Bessuille</a>, <a href="/search/physics?searchtype=author&query=Buck%2C+B">B. Buck</a>, <a href="/search/physics?searchtype=author&query=Cowan%2C+R">R. Cowan</a>, <a href="/search/physics?searchtype=author&query=Dow%2C+K">K. Dow</a>, <a href="/search/physics?searchtype=author&query=Epstein%2C+C">C. Epstein</a>, <a href="/search/physics?searchtype=author&query=Fisher%2C+P">P. Fisher</a>, <a href="/search/physics?searchtype=author&query=Gilad%2C+S">S. Gilad</a>, <a href="/search/physics?searchtype=author&query=Ihloff%2C+E">E. Ihloff</a>, <a href="/search/physics?searchtype=author&query=Kahn%2C+Y">Y. Kahn</a>, <a href="/search/physics?searchtype=author&query=Kelleher%2C+A">A. Kelleher</a>, <a href="/search/physics?searchtype=author&query=Kelsey%2C+J">J. Kelsey</a>, <a href="/search/physics?searchtype=author&query=Milner%2C+R">R. Milner</a>, <a href="/search/physics?searchtype=author&query=Moran%2C+C">C. Moran</a>, <a href="/search/physics?searchtype=author&query=Ou%2C+L">L. Ou</a>, <a href="/search/physics?searchtype=author&query=Russell%2C+R">R. Russell</a>, <a href="/search/physics?searchtype=author&query=Schmookler%2C+B">B. Schmookler</a>, <a href="/search/physics?searchtype=author&query=Thaler%2C+J">J. Thaler</a>, <a href="/search/physics?searchtype=author&query=Tschal%C3%A4r%2C+C">C. Tschal盲r</a>, <a href="/search/physics?searchtype=author&query=Vidal%2C+C">C. Vidal</a>, <a href="/search/physics?searchtype=author&query=Winnebeck%2C+A">A. Winnebeck</a>, <a href="/search/physics?searchtype=author&query=Benson%2C+S">S. Benson</a>, <a href="/search/physics?searchtype=author&query=Gould%2C+C">C. Gould</a> , et al. (42 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="1307.4432v2-abstract-short" style="display: inline;"> We give a short overview of the DarkLight detector concept which is designed to search for a heavy photon A' with a mass in the range 10 MeV/c^2 < m(A') < 90 MeV/c^2 and which decays to lepton pairs. We describe the intended operating environment, the Jefferson Laboratory free electon laser, and a way to extend DarkLight's reach using A' --> invisible decays. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1307.4432v2-abstract-full" style="display: none;"> We give a short overview of the DarkLight detector concept which is designed to search for a heavy photon A' with a mass in the range 10 MeV/c^2 < m(A') < 90 MeV/c^2 and which decays to lepton pairs. We describe the intended operating environment, the Jefferson Laboratory free electon laser, and a way to extend DarkLight's reach using A' --> invisible decays. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1307.4432v2-abstract-full').style.display = 'none'; document.getElementById('1307.4432v2-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, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 July, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">8 pages, 4 figures, contributed to the Community Summer Study 2013 "Snowmass on the Mississippi" in the New, Light, Weakly Coupled Particles (NLWCP) subgroup of the Intensity Frontier</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.0757">arXiv:1209.0757</a> <span> [<a href="https://arxiv.org/pdf/1209.0757">pdf</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="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Science Requirements and Conceptual Design for a Polarized Medium Energy Electron-Ion Collider at Jefferson Lab </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abeyratne%2C+S">S. Abeyratne</a>, <a href="/search/physics?searchtype=author&query=Accardi%2C+A">A. Accardi</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+S">S. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Barber%2C+D">D. Barber</a>, <a href="/search/physics?searchtype=author&query=Bisognano%2C+J">J. Bisognano</a>, <a href="/search/physics?searchtype=author&query=Bogacz%2C+A">A. Bogacz</a>, <a href="/search/physics?searchtype=author&query=Castilla%2C+A">A. Castilla</a>, <a href="/search/physics?searchtype=author&query=Chevtsov%2C+P">P. Chevtsov</a>, <a href="/search/physics?searchtype=author&query=Corneliussen%2C+S">S. Corneliussen</a>, <a href="/search/physics?searchtype=author&query=Deconinck%2C+W">W. Deconinck</a>, <a href="/search/physics?searchtype=author&query=Degtiarenko%2C+P">P. Degtiarenko</a>, <a href="/search/physics?searchtype=author&query=Delayen%2C+J">J. Delayen</a>, <a href="/search/physics?searchtype=author&query=Derbenev%2C+Y">Ya. Derbenev</a>, <a href="/search/physics?searchtype=author&query=DeSilva%2C+S">S. DeSilva</a>, <a href="/search/physics?searchtype=author&query=Douglas%2C+D">D. Douglas</a>, <a href="/search/physics?searchtype=author&query=Dudnikov%2C+V">V. Dudnikov</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Erdelyi%2C+B">B. Erdelyi</a>, <a href="/search/physics?searchtype=author&query=Evtushenko%2C+P">P. Evtushenko</a>, <a href="/search/physics?searchtype=author&query=Filatov%2C+Y">Yu. Filatov</a>, <a href="/search/physics?searchtype=author&query=Gaskell%2C+D">D. Gaskell</a>, <a href="/search/physics?searchtype=author&query=Geng%2C+R">R. Geng</a>, <a href="/search/physics?searchtype=author&query=Guzey%2C+V">V. Guzey</a>, <a href="/search/physics?searchtype=author&query=Horn%2C+T">T. Horn</a>, <a href="/search/physics?searchtype=author&query=Hutton%2C+A">A. Hutton</a> , et al. (33 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="1209.0757v2-abstract-short" style="display: inline;"> This report presents a brief summary of the science opportunities and program of a polarized medium energy electron-ion collider at Jefferson Lab and a comprehensive description of the conceptual design of such a collider based on the CEBAF electron accelerator facility. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.0757v2-abstract-full" style="display: none;"> This report presents a brief summary of the science opportunities and program of a polarized medium energy electron-ion collider at Jefferson Lab and a comprehensive description of the conceptual design of such a collider based on the CEBAF electron accelerator facility. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.0757v2-abstract-full').style.display = 'none'; document.getElementById('1209.0757v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 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">160 pages, ~93 figures This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC05-06OR23177, DE-AC02-06CH11357, DE-AC05-060R23177, and DESC0005823. The U.S. Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce this manuscript for U.S. Government purposes</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> JLAB-ACC-12-1619 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1204.6413">arXiv:1204.6413</a> <span> [<a href="https://arxiv.org/pdf/1204.6413">pdf</a>, <a href="https://arxiv.org/ps/1204.6413">ps</a>, <a href="https://arxiv.org/format/1204.6413">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.2013.03.070">10.1016/j.nima.2013.03.070 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The lead-glass electromagnetic calorimeters for the magnetic spectrometers in Hall C at Jefferson Lab </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Mkrtchyan%2C+H">H. Mkrtchyan</a>, <a href="/search/physics?searchtype=author&query=Carlini%2C+R">R. Carlini</a>, <a href="/search/physics?searchtype=author&query=Tadevosyan%2C+V">V. Tadevosyan</a>, <a href="/search/physics?searchtype=author&query=Arrington%2C+J">J. Arrington</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Christy%2C+M+E">M. E. Christy</a>, <a href="/search/physics?searchtype=author&query=Dutta%2C+D">D. Dutta</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Fenker%2C+H+C">H. C. Fenker</a>, <a href="/search/physics?searchtype=author&query=Gaskell%2C+D">D. Gaskell</a>, <a href="/search/physics?searchtype=author&query=Horn%2C+T">T. Horn</a>, <a href="/search/physics?searchtype=author&query=Jones%2C+M+K">M. K. Jones</a>, <a href="/search/physics?searchtype=author&query=Keppel%2C+C+E">C. E. Keppel</a>, <a href="/search/physics?searchtype=author&query=Mack%2C+D+J">D. J. Mack</a>, <a href="/search/physics?searchtype=author&query=Malace%2C+S+P">S. P. Malace</a>, <a href="/search/physics?searchtype=author&query=Mkrtchyan%2C+A">A. Mkrtchyan</a>, <a href="/search/physics?searchtype=author&query=Niculescu%2C+M+I">M. I. Niculescu</a>, <a href="/search/physics?searchtype=author&query=Seely%2C+J">J. Seely</a>, <a href="/search/physics?searchtype=author&query=Tvaskis%2C+V">V. Tvaskis</a>, <a href="/search/physics?searchtype=author&query=Wood%2C+S+A">S. A. Wood</a>, <a href="/search/physics?searchtype=author&query=Zhamkochyan%2C+S">S. Zhamkochyan</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="1204.6413v1-abstract-short" style="display: inline;"> The electromagnetic calorimeters of the various magnetic spectrometers in Hall C at Jefferson Lab are presented. For the existing HMS and SOS spectrometers design considerations, relevant construction information, and comparisons of simulated and experimental results are included. The energy resolution of the HMS and SOS calorimeters is better than $蟽/E \sim 6%/\sqrt E $, and pion/electron ($蟺/e$)… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1204.6413v1-abstract-full').style.display = 'inline'; document.getElementById('1204.6413v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1204.6413v1-abstract-full" style="display: none;"> The electromagnetic calorimeters of the various magnetic spectrometers in Hall C at Jefferson Lab are presented. For the existing HMS and SOS spectrometers design considerations, relevant construction information, and comparisons of simulated and experimental results are included. The energy resolution of the HMS and SOS calorimeters is better than $蟽/E \sim 6%/\sqrt E $, and pion/electron ($蟺/e$) separation of about 100:1 has been achieved in energy range 1 -- 5 GeV. Good agreement has been observed between the experimental and simulated energy resolutions, but simulations systematically exceed experimentally determined $蟺^-$ suppression factors by close to a factor of two. For the SHMS spectrometer presently under construction details on the design and accompanying GEANT4 simulation efforts are given. The anticipated performance of the new calorimeter is predicted over the full momentum range of the SHMS. Good electron/hadron separation is anticipated by combining the energy deposited in an initial (preshower) calorimeter layer with the total energy deposited in the calorimeter. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1204.6413v1-abstract-full').style.display = 'none'; document.getElementById('1204.6413v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 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">22 pages, 33 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1202.1255">arXiv:1202.1255</a> <span> [<a href="https://arxiv.org/pdf/1202.1255">pdf</a>, <a href="https://arxiv.org/ps/1202.1255">ps</a>, <a href="https://arxiv.org/format/1202.1255">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> <p class="title is-5 mathjax"> The Qweak Experiment: A Search for New Physics at the TeV Scale via a Measurement of the Proton's Weak Charge </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Carlini%2C+R+D">R. D. Carlini</a>, <a href="/search/physics?searchtype=author&query=Finn%2C+J+M">J. M. Finn</a>, <a href="/search/physics?searchtype=author&query=Kowalski%2C+S">S. Kowalski</a>, <a href="/search/physics?searchtype=author&query=Page%2C+S+A">S. A. Page</a>, <a href="/search/physics?searchtype=author&query=Armstrong%2C+D+S">D. S. Armstrong</a>, <a href="/search/physics?searchtype=author&query=Asaturyan%2C+A">A. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Averett%2C+T">T. Averett</a>, <a href="/search/physics?searchtype=author&query=Benesch%2C+J">J. Benesch</a>, <a href="/search/physics?searchtype=author&query=Birchall%2C+J">J. Birchall</a>, <a href="/search/physics?searchtype=author&query=Bosted%2C+P">P. Bosted</a>, <a href="/search/physics?searchtype=author&query=Bruell%2C+A">A. Bruell</a>, <a href="/search/physics?searchtype=author&query=Capuano%2C+C+L">C. L. Capuano</a>, <a href="/search/physics?searchtype=author&query=Cates%2C+G">G. Cates</a>, <a href="/search/physics?searchtype=author&query=Carrigee%2C+C">C. Carrigee</a>, <a href="/search/physics?searchtype=author&query=Chattopadhyay%2C+S">S. Chattopadhyay</a>, <a href="/search/physics?searchtype=author&query=Covrig%2C+S">S. Covrig</a>, <a href="/search/physics?searchtype=author&query=Davis%2C+C+A">C. A. Davis</a>, <a href="/search/physics?searchtype=author&query=Dow%2C+K">K. Dow</a>, <a href="/search/physics?searchtype=author&query=Dunne%2C+J">J. Dunne</a>, <a href="/search/physics?searchtype=author&query=Dutta%2C+D">D. Dutta</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Erler%2C+J">J. Erler</a>, <a href="/search/physics?searchtype=author&query=Falk%2C+W">W. Falk</a>, <a href="/search/physics?searchtype=author&query=Fenker%2C+H">H. Fenker</a>, <a href="/search/physics?searchtype=author&query=Forest%2C+T+A">T. A. Forest</a> , et al. (61 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="1202.1255v2-abstract-short" style="display: inline;"> We propose a new precision measurement of parity-violating electron scattering on the proton at very low Q^2 and forward angles to challenge predictions of the Standard Model and search for new physics. A unique opportunity exists to carry out the first precision measurement of the proton's weak charge, $Q_W =1 - 4\sin^2胃_W$. A 2200 hour measurement of the parity violating asymmetry in elastic ep… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.1255v2-abstract-full').style.display = 'inline'; document.getElementById('1202.1255v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1202.1255v2-abstract-full" style="display: none;"> We propose a new precision measurement of parity-violating electron scattering on the proton at very low Q^2 and forward angles to challenge predictions of the Standard Model and search for new physics. A unique opportunity exists to carry out the first precision measurement of the proton's weak charge, $Q_W =1 - 4\sin^2胃_W$. A 2200 hour measurement of the parity violating asymmetry in elastic ep scattering at Q^2=0.03 (GeV/c)^2 employing 180 $渭$A of 85% polarized beam on a 35 cm liquid Hydrogen target will determine the proton's weak charge with approximately 4% combined statistical and systematic errors. The Standard Model makes a firm prediction of $Q_W$, based on the running of the weak mixing angle from the Z0 pole down to low energies, corresponding to a 10 sigma effect in this experiment. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.1255v2-abstract-full').style.display = 'none'; document.getElementById('1202.1255v2-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, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 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">Proposal to Jefferson Lab Program Advisory Committee, December 2007. 93 pages, 44 figures. Uploaded here so a permanent copy is available, and for other papers to use arXiv version as reference First four authors are the spokespersons</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0910.4753">arXiv:0910.4753</a> <span> [<a href="https://arxiv.org/pdf/0910.4753">pdf</a>, <a href="https://arxiv.org/ps/0910.4753">ps</a>, <a href="https://arxiv.org/format/0910.4753">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="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Future Facilities Summary </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=De+Roeck%2C+A">Albert De Roeck</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">Rolf Ent</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="0910.4753v1-abstract-short" style="display: inline;"> For the session on future facilities at DIS09 discussions were organized on DIS related measurements that can be expected in the near and medium - or perhaps far - future, including plans from JLab, CERN and FNAL fixed target experiments, possible measurements and detector upgrades at RHIC, as well as the plans for possible future electron proton/ion colliders such as the EIC and the LHeC projec… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0910.4753v1-abstract-full').style.display = 'inline'; document.getElementById('0910.4753v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0910.4753v1-abstract-full" style="display: none;"> For the session on future facilities at DIS09 discussions were organized on DIS related measurements that can be expected in the near and medium - or perhaps far - future, including plans from JLab, CERN and FNAL fixed target experiments, possible measurements and detector upgrades at RHIC, as well as the plans for possible future electron proton/ion colliders such as the EIC and the LHeC project. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0910.4753v1-abstract-full').style.display = 'none'; document.getElementById('0910.4753v1-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 October, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2009. </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">Summary of the parallel sessions on future facilities and the plenary discussion session on possible future electron proton/ion colliders such as the EIC and the LHeC project at the Deep Inelastic Scattering workshop in Madrid, April 2009</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/0411147">arXiv:physics/0411147</a> <span> [<a href="https://arxiv.org/pdf/physics/0411147">pdf</a>, <a href="https://arxiv.org/ps/physics/0411147">ps</a>, <a href="https://arxiv.org/format/physics/0411147">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.2005.04.058">10.1016/j.nima.2005.04.058 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The aerogel threshold Cherenkov detector for the High Momentum Spectrometer in Hall C at Jefferson Lab </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Asaturyan%2C+R">R. Asaturyan</a>, <a href="/search/physics?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/physics?searchtype=author&query=Fenker%2C+H">H. Fenker</a>, <a href="/search/physics?searchtype=author&query=Gaskell%2C+D">D. Gaskell</a>, <a href="/search/physics?searchtype=author&query=Huber%2C+G+M">G. M. Huber</a>, <a href="/search/physics?searchtype=author&query=Jones%2C+M">M. Jones</a>, <a href="/search/physics?searchtype=author&query=Mack%2C+D">D. Mack</a>, <a href="/search/physics?searchtype=author&query=Mkrtchyan%2C+H">H. Mkrtchyan</a>, <a href="/search/physics?searchtype=author&query=Metzger%2C+B">B. Metzger</a>, <a href="/search/physics?searchtype=author&query=Novikoff%2C+N">N. Novikoff</a>, <a href="/search/physics?searchtype=author&query=Tadevosyan%2C+V">V. Tadevosyan</a>, <a href="/search/physics?searchtype=author&query=Vulcan%2C+W">W. Vulcan</a>, <a href="/search/physics?searchtype=author&query=Wood%2C+S">S. Wood</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="physics/0411147v1-abstract-short" style="display: inline;"> We describe a new aerogel threshold Cherenkov detector installed in the HMS spectrometer in Hall C at Jefferson Lab. The Hall C experimental program in 2003 required an improved particle identification system for better identification of pi/K/P, which was achieved by installing an additional threshold Cherenkov counter. Two types of aerogel with n=1.03 and n=1.015 allow one to reach 10^{-3} prot… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0411147v1-abstract-full').style.display = 'inline'; document.getElementById('physics/0411147v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="physics/0411147v1-abstract-full" style="display: none;"> We describe a new aerogel threshold Cherenkov detector installed in the HMS spectrometer in Hall C at Jefferson Lab. The Hall C experimental program in 2003 required an improved particle identification system for better identification of pi/K/P, which was achieved by installing an additional threshold Cherenkov counter. Two types of aerogel with n=1.03 and n=1.015 allow one to reach 10^{-3} proton and 10^{-2} kaon rejection in the 1-5 GeV/c momentum range with pion detection efficiency better than 99% (97%). The detector response shows no significant position dependence due to a diffuse light collection technique. The diffusion box was equipped with 16 Photonis XP4572 PMT's. The mean number of photoelectrons in saturation was ~16 and ~8, respectively. Moderate particle identification is feasible near threshold. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0411147v1-abstract-full').style.display = 'none'; document.getElementById('physics/0411147v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 November, 2004; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2004. </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">18 pages, 12 postscript figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> JLAB-PHY-05-4 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Instrum.Meth. A548 (2005) 364-374 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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