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</div> <div class="control"> <button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2411.02966">arXiv:2411.02966</a> <span> [<a href="https://arxiv.org/pdf/2411.02966">pdf</a>, <a href="https://arxiv.org/format/2411.02966">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 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/10.5281/zenodo.13970100">10.5281/zenodo.13970100 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> MuCol Milestone Report No. 5: Preliminary Parameters </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Accettura%2C+C">Carlotta Accettura</a>, <a href="/search/physics?searchtype=author&query=Adrian%2C+S">Simon Adrian</a>, <a href="/search/physics?searchtype=author&query=Agarwal%2C+R">Rohit Agarwal</a>, <a href="/search/physics?searchtype=author&query=Ahdida%2C+C">Claudia Ahdida</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A9%2C+C">Chiara Aim茅</a>, <a href="/search/physics?searchtype=author&query=Aksoy%2C+A">Avni Aksoy</a>, <a href="/search/physics?searchtype=author&query=Alberghi%2C+G+L">Gian Luigi Alberghi</a>, <a href="/search/physics?searchtype=author&query=Alden%2C+S">Siobhan Alden</a>, <a href="/search/physics?searchtype=author&query=Alfonso%2C+L">Luca Alfonso</a>, <a href="/search/physics?searchtype=author&query=Amapane%2C+N">Nicola Amapane</a>, <a href="/search/physics?searchtype=author&query=Amorim%2C+D">David Amorim</a>, <a href="/search/physics?searchtype=author&query=Andreetto%2C+P">Paolo Andreetto</a>, <a href="/search/physics?searchtype=author&query=Anulli%2C+F">Fabio Anulli</a>, <a href="/search/physics?searchtype=author&query=Appleby%2C+R">Rob Appleby</a>, <a href="/search/physics?searchtype=author&query=Apresyan%2C+A">Artur Apresyan</a>, <a href="/search/physics?searchtype=author&query=Asadi%2C+P">Pouya Asadi</a>, <a href="/search/physics?searchtype=author&query=Mahmoud%2C+M+A">Mohammed Attia Mahmoud</a>, <a href="/search/physics?searchtype=author&query=Auchmann%2C+B">Bernhard Auchmann</a>, <a href="/search/physics?searchtype=author&query=Back%2C+J">John Back</a>, <a href="/search/physics?searchtype=author&query=Badea%2C+A">Anthony Badea</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+K+J">Kyu Jung Bae</a>, <a href="/search/physics?searchtype=author&query=Bahng%2C+E+J">E. J. Bahng</a>, <a href="/search/physics?searchtype=author&query=Balconi%2C+L">Lorenzo Balconi</a>, <a href="/search/physics?searchtype=author&query=Balli%2C+F">Fabrice Balli</a>, <a href="/search/physics?searchtype=author&query=Bandiera%2C+L">Laura Bandiera</a> , et al. (369 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="2411.02966v1-abstract-short" style="display: inline;"> This document is comprised of a collection of updated preliminary parameters for the key parts of the muon collider. The updated preliminary parameters follow on from the October 2023 Tentative Parameters Report. Particular attention has been given to regions of the facility that are believed to hold greater technical uncertainty in their design and that have a strong impact on the cost and power… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.02966v1-abstract-full').style.display = 'inline'; document.getElementById('2411.02966v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2411.02966v1-abstract-full" style="display: none;"> This document is comprised of a collection of updated preliminary parameters for the key parts of the muon collider. The updated preliminary parameters follow on from the October 2023 Tentative Parameters Report. Particular attention has been given to regions of the facility that are believed to hold greater technical uncertainty in their design and that have a strong impact on the cost and power consumption of the facility. The data is collected from a collaborative spreadsheet and transferred to overleaf. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.02966v1-abstract-full').style.display = 'none'; document.getElementById('2411.02966v1-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 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2407.12450">arXiv:2407.12450</a> <span> [<a href="https://arxiv.org/pdf/2407.12450">pdf</a>, <a href="https://arxiv.org/format/2407.12450">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="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Interim report for the International Muon Collider Collaboration (IMCC) </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Accettura%2C+C">C. Accettura</a>, <a href="/search/physics?searchtype=author&query=Adrian%2C+S">S. Adrian</a>, <a href="/search/physics?searchtype=author&query=Agarwal%2C+R">R. Agarwal</a>, <a href="/search/physics?searchtype=author&query=Ahdida%2C+C">C. Ahdida</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A9%2C+C">C. Aim茅</a>, <a href="/search/physics?searchtype=author&query=Aksoy%2C+A">A. Aksoy</a>, <a href="/search/physics?searchtype=author&query=Alberghi%2C+G+L">G. L. Alberghi</a>, <a href="/search/physics?searchtype=author&query=Alden%2C+S">S. Alden</a>, <a href="/search/physics?searchtype=author&query=Amapane%2C+N">N. Amapane</a>, <a href="/search/physics?searchtype=author&query=Amorim%2C+D">D. Amorim</a>, <a href="/search/physics?searchtype=author&query=Andreetto%2C+P">P. Andreetto</a>, <a href="/search/physics?searchtype=author&query=Anulli%2C+F">F. Anulli</a>, <a href="/search/physics?searchtype=author&query=Appleby%2C+R">R. Appleby</a>, <a href="/search/physics?searchtype=author&query=Apresyan%2C+A">A. Apresyan</a>, <a href="/search/physics?searchtype=author&query=Asadi%2C+P">P. Asadi</a>, <a href="/search/physics?searchtype=author&query=Mahmoud%2C+M+A">M. Attia Mahmoud</a>, <a href="/search/physics?searchtype=author&query=Auchmann%2C+B">B. Auchmann</a>, <a href="/search/physics?searchtype=author&query=Back%2C+J">J. Back</a>, <a href="/search/physics?searchtype=author&query=Badea%2C+A">A. Badea</a>, <a href="/search/physics?searchtype=author&query=Bae%2C+K+J">K. J. Bae</a>, <a href="/search/physics?searchtype=author&query=Bahng%2C+E+J">E. J. Bahng</a>, <a href="/search/physics?searchtype=author&query=Balconi%2C+L">L. Balconi</a>, <a href="/search/physics?searchtype=author&query=Balli%2C+F">F. Balli</a>, <a href="/search/physics?searchtype=author&query=Bandiera%2C+L">L. Bandiera</a>, <a href="/search/physics?searchtype=author&query=Barbagallo%2C+C">C. Barbagallo</a> , et al. (362 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2407.12450v1-abstract-short" style="display: inline;"> The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implementation of the European Strategy for Particle Physics-Accelerator R&D Roadmap by the Laboratory Directors Group [2], hereinafter referred to as the the European LDG roadmap. The Muon Collider Study (MuC) covers the accele… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.12450v1-abstract-full').style.display = 'inline'; document.getElementById('2407.12450v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.12450v1-abstract-full" style="display: none;"> The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implementation of the European Strategy for Particle Physics-Accelerator R&D Roadmap by the Laboratory Directors Group [2], hereinafter referred to as the the European LDG roadmap. The Muon Collider Study (MuC) covers the accelerator complex, detectors and physics for a future muon collider. In 2023, European Commission support was obtained for a design study of a muon collider (MuCol) [3]. This project started on 1st March 2023, with work-packages aligned with the overall muon collider studies. In preparation of and during the 2021-22 U.S. Snowmass process, the muon collider project parameters, technical studies and physics performance studies were performed and presented in great detail. Recently, the P5 panel [4] in the U.S. recommended a muon collider R&D, proposed to join the IMCC and envisages that the U.S. should prepare to host a muon collider, calling this their "muon shot". In the past, the U.S. Muon Accelerator Programme (MAP) [5] has been instrumental in studies of concepts and technologies for a muon collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.12450v1-abstract-full').style.display = 'none'; document.getElementById('2407.12450v1-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, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">This document summarises the International Muon Collider Collaboration (IMCC) progress and status of the Muon Collider R&D programme</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.08533">arXiv:2303.08533</a> <span> [<a href="https://arxiv.org/pdf/2303.08533">pdf</a>, <a href="https://arxiv.org/format/2303.08533">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="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Towards a Muon Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Accettura%2C+C">Carlotta Accettura</a>, <a href="/search/physics?searchtype=author&query=Adams%2C+D">Dean Adams</a>, <a href="/search/physics?searchtype=author&query=Agarwal%2C+R">Rohit Agarwal</a>, <a href="/search/physics?searchtype=author&query=Ahdida%2C+C">Claudia Ahdida</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">Chiara Aim猫</a>, <a href="/search/physics?searchtype=author&query=Amapane%2C+N">Nicola Amapane</a>, <a href="/search/physics?searchtype=author&query=Amorim%2C+D">David Amorim</a>, <a href="/search/physics?searchtype=author&query=Andreetto%2C+P">Paolo Andreetto</a>, <a href="/search/physics?searchtype=author&query=Anulli%2C+F">Fabio Anulli</a>, <a href="/search/physics?searchtype=author&query=Appleby%2C+R">Robert Appleby</a>, <a href="/search/physics?searchtype=author&query=Apresyan%2C+A">Artur Apresyan</a>, <a href="/search/physics?searchtype=author&query=Apyan%2C+A">Aram Apyan</a>, <a href="/search/physics?searchtype=author&query=Arsenyev%2C+S">Sergey Arsenyev</a>, <a href="/search/physics?searchtype=author&query=Asadi%2C+P">Pouya Asadi</a>, <a href="/search/physics?searchtype=author&query=Mahmoud%2C+M+A">Mohammed Attia Mahmoud</a>, <a href="/search/physics?searchtype=author&query=Azatov%2C+A">Aleksandr Azatov</a>, <a href="/search/physics?searchtype=author&query=Back%2C+J">John Back</a>, <a href="/search/physics?searchtype=author&query=Balconi%2C+L">Lorenzo Balconi</a>, <a href="/search/physics?searchtype=author&query=Bandiera%2C+L">Laura Bandiera</a>, <a href="/search/physics?searchtype=author&query=Barlow%2C+R">Roger Barlow</a>, <a href="/search/physics?searchtype=author&query=Bartosik%2C+N">Nazar Bartosik</a>, <a href="/search/physics?searchtype=author&query=Barzi%2C+E">Emanuela Barzi</a>, <a href="/search/physics?searchtype=author&query=Batsch%2C+F">Fabian Batsch</a>, <a href="/search/physics?searchtype=author&query=Bauce%2C+M">Matteo Bauce</a>, <a href="/search/physics?searchtype=author&query=Berg%2C+J+S">J. Scott Berg</a> , et al. (272 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="2303.08533v2-abstract-short" style="display: inline;"> A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV centre of mass energy are being investigated by the recently-formed International Muon Collider Collaboration. This Review summarises the status and the recent advances on muon colliders desi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.08533v2-abstract-full').style.display = 'inline'; document.getElementById('2303.08533v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.08533v2-abstract-full" style="display: none;"> A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV centre of mass energy are being investigated by the recently-formed International Muon Collider Collaboration. This Review summarises the status and the recent advances on muon colliders design, physics and detector studies. The aim is to provide a global perspective of the field and to outline directions for future work. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.08533v2-abstract-full').style.display = 'none'; document.getElementById('2303.08533v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 November, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">118 pages, 103 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/2203.12037">arXiv:2203.12037</a> <span> [<a href="https://arxiv.org/pdf/2203.12037">pdf</a>, <a href="https://arxiv.org/format/2203.12037">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.2022.166716">10.1016/j.nima.2022.166716 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quality Control of Mass-Produced GEM Detectors for the CMS GE1/1 Muon Upgrade </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&query=Beyrouthy%2C+T">T. Beyrouthy</a>, <a href="/search/physics?searchtype=author&query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&query=Borgonovi%2C+L">L. Borgonovi</a> , et al. (157 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.12037v1-abstract-short" style="display: inline;"> The series of upgrades to the Large Hadron Collider, culminating in the High Luminosity Large Hadron Collider, will enable a significant expansion of the physics program of the CMS experiment. However, the accelerator upgrades will also make the experimental conditions more challenging, with implications for detector operations, triggering, and data analysis. The luminosity of the proton-proton co… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.12037v1-abstract-full').style.display = 'inline'; document.getElementById('2203.12037v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.12037v1-abstract-full" style="display: none;"> The series of upgrades to the Large Hadron Collider, culminating in the High Luminosity Large Hadron Collider, will enable a significant expansion of the physics program of the CMS experiment. However, the accelerator upgrades will also make the experimental conditions more challenging, with implications for detector operations, triggering, and data analysis. The luminosity of the proton-proton collisions is expected to exceed $2-3\times10^{34}$~cm$^{-2}$s$^{-1}$ for Run 3 (starting in 2022), and it will be at least $5\times10^{34}$~cm$^{-2}$s$^{-1}$ when the High Luminosity Large Hadron Collider is completed for Run 4. These conditions will affect muon triggering, identification, and measurement, which are critical capabilities of the experiment. To address these challenges, additional muon detectors are being installed in the CMS endcaps, based on Gas Electron Multiplier technology. For this purpose, 161 large triple-Gas Electron Multiplier detectors have been constructed and tested. Installation of these devices began in 2019 with the GE1/1 station and will be followed by two additional stations, GE2/1 and ME0, to be installed in 2023 and 2026, respectively. The assembly and quality control of the GE1/1 detectors were distributed across several production sites around the world. We motivate and discuss the quality control procedures that were developed to standardize the performance of the detectors, and we present the final results of the production. Out of 161 detectors produced, 156 detectors passed all tests, and 144 detectors are now installed in the CMS experiment. The various visual inspections, gas tightness tests, intrinsic noise rate characterizations, and effective gas gain and response uniformity tests allowed the project to achieve this high success rate. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.12037v1-abstract-full').style.display = 'none'; document.getElementById('2203.12037v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">45 pages, 39 figures, submitted to Nuclear Instruments and Methods in Physics Research Section A</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.08033">arXiv:2203.08033</a> <span> [<a href="https://arxiv.org/pdf/2203.08033">pdf</a>, <a href="https://arxiv.org/format/2203.08033">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"> A Muon Collider Facility for Physics Discovery </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Stratakis%2C+D">D. Stratakis</a>, <a href="/search/physics?searchtype=author&query=Mokhov%2C+N">N. Mokhov</a>, <a href="/search/physics?searchtype=author&query=Palmer%2C+M">M. Palmer</a>, <a href="/search/physics?searchtype=author&query=Pastrone%2C+N">N. Pastrone</a>, <a href="/search/physics?searchtype=author&query=Raubenheimer%2C+T">T. Raubenheimer</a>, <a href="/search/physics?searchtype=author&query=Rogers%2C+C">C. Rogers</a>, <a href="/search/physics?searchtype=author&query=Schulte%2C+D">D. Schulte</a>, <a href="/search/physics?searchtype=author&query=Shiltsev%2C+V">V. Shiltsev</a>, <a href="/search/physics?searchtype=author&query=Tang%2C+J">J. Tang</a>, <a href="/search/physics?searchtype=author&query=Yamamoto%2C+A">A. Yamamoto</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&query=Mahmoud%2C+M+A">M. A. Mahmoud</a>, <a href="/search/physics?searchtype=author&query=Bartosik%2C+N">N. Bartosik</a>, <a href="/search/physics?searchtype=author&query=Barzi%2C+E">E. Barzi</a>, <a href="/search/physics?searchtype=author&query=Bersani%2C+A">A. Bersani</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">A. Bertolin</a>, <a href="/search/physics?searchtype=author&query=Bonesini%2C+M">M. Bonesini</a>, <a href="/search/physics?searchtype=author&query=Caiffi%2C+B">B. Caiffi</a>, <a href="/search/physics?searchtype=author&query=Casarsa%2C+M">M. Casarsa</a>, <a href="/search/physics?searchtype=author&query=Catanesi%2C+M+G">M. G. Catanesi</a>, <a href="/search/physics?searchtype=author&query=Cerri%2C+A">A. Cerri</a>, <a href="/search/physics?searchtype=author&query=Curatolo%2C+C">C. Curatolo</a>, <a href="/search/physics?searchtype=author&query=Dam%2C+M">M. Dam</a>, <a href="/search/physics?searchtype=author&query=Damerau%2C+H">H. Damerau</a>, <a href="/search/physics?searchtype=author&query=De+Matteis%2C+E">E. De Matteis</a> , et al. (44 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.08033v1-abstract-short" style="display: inline;"> Muon colliders provide a unique route to deliver high energy collisions that enable discovery searches and precision measurements to extend our understanding of the fundamental laws of physics. The muon collider design aims to deliver physics reach at the highest energies with costs, power consumption and on a time scale that may prove favorable relative to other proposed facilities. In this conte… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.08033v1-abstract-full').style.display = 'inline'; document.getElementById('2203.08033v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.08033v1-abstract-full" style="display: none;"> Muon colliders provide a unique route to deliver high energy collisions that enable discovery searches and precision measurements to extend our understanding of the fundamental laws of physics. The muon collider design aims to deliver physics reach at the highest energies with costs, power consumption and on a time scale that may prove favorable relative to other proposed facilities. In this context, a new international collaboration has formed to further extend the design concepts and performance studies of such a machine. This effort is focused on delivering the elements of a $\sim$10 TeV center of mass (CM) energy design to explore the physics energy frontier. The path to such a machine may pass through lower energy options. Currently a 3 TeV CM stage is considered. Other energy stages could also be explored, e.g. an s-channel Higgs Factory operating at 125 GeV CM. We describe the status of the R&D and design effort towards such a machine and lay out a plan to bring these concepts to maturity as a tool for the high energy physics community. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.08033v1-abstract-full').style.display = 'none'; document.getElementById('2203.08033v1-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 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">23 pages, 3 figures. arXiv admin note: text overlap with arXiv:2201.07895</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.07224">arXiv:2203.07224</a> <span> [<a href="https://arxiv.org/pdf/2203.07224">pdf</a>, <a href="https://arxiv.org/format/2203.07224">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"> Promising Technologies and R&D Directions for the Future Muon Collider Detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Jindariani%2C+S">Sergo Jindariani</a>, <a href="/search/physics?searchtype=author&query=Meloni%2C+F">Federico Meloni</a>, <a href="/search/physics?searchtype=author&query=Pastrone%2C+N">Nadia Pastrone</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">Chiara Aim猫</a>, <a href="/search/physics?searchtype=author&query=Bartosik%2C+N">Nazar Bartosik</a>, <a href="/search/physics?searchtype=author&query=Barzi%2C+E">Emanuela Barzi</a>, <a href="/search/physics?searchtype=author&query=Bertolin%2C+A">Alessandro Bertolin</a>, <a href="/search/physics?searchtype=author&query=Braghieri%2C+A">Alessandro Braghieri</a>, <a href="/search/physics?searchtype=author&query=Buonincontri%2C+L">Laura Buonincontri</a>, <a href="/search/physics?searchtype=author&query=Calzaferri%2C+S">Simone Calzaferri</a>, <a href="/search/physics?searchtype=author&query=Casarsa%2C+M">Massimo Casarsa</a>, <a href="/search/physics?searchtype=author&query=Catanesi%2C+M+G">Maria Gabriella Catanesi</a>, <a href="/search/physics?searchtype=author&query=Cerri%2C+A">Alessandro Cerri</a>, <a href="/search/physics?searchtype=author&query=Chachamis%2C+G">Grigorios Chachamis</a>, <a href="/search/physics?searchtype=author&query=Colaleo%2C+A">Anna Colaleo</a>, <a href="/search/physics?searchtype=author&query=Curatolo%2C+C">Camilla Curatolo</a>, <a href="/search/physics?searchtype=author&query=Da+Molin%2C+G">Giacomo Da Molin</a>, <a href="/search/physics?searchtype=author&query=Delahaye%2C+J">Jean-Pierre Delahaye</a>, <a href="/search/physics?searchtype=author&query=Di+Micco%2C+B">Biagio Di Micco</a>, <a href="/search/physics?searchtype=author&query=Dorigo%2C+T">Tommaso Dorigo</a>, <a href="/search/physics?searchtype=author&query=Errico%2C+F">Filippo Errico</a>, <a href="/search/physics?searchtype=author&query=Fiorina%2C+D">Davide Fiorina</a>, <a href="/search/physics?searchtype=author&query=Gianelle%2C+A">Alessio Gianelle</a>, <a href="/search/physics?searchtype=author&query=Giraldin%2C+C">Carlo Giraldin</a>, <a href="/search/physics?searchtype=author&query=Hauptman%2C+J">John Hauptman</a> , et al. (36 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.07224v1-abstract-short" style="display: inline;"> Among the post-LHC generation of particle accelerators, the muon collider represents a unique machine with capability to provide very high energy leptonic collisions and to open the path to a vast and mostly unexplored physics programme. However, on the experimental side, such great physics potential is accompanied by unprecedented technological challenges, due to the fact that muons are unstable… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.07224v1-abstract-full').style.display = 'inline'; document.getElementById('2203.07224v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.07224v1-abstract-full" style="display: none;"> Among the post-LHC generation of particle accelerators, the muon collider represents a unique machine with capability to provide very high energy leptonic collisions and to open the path to a vast and mostly unexplored physics programme. However, on the experimental side, such great physics potential is accompanied by unprecedented technological challenges, due to the fact that muons are unstable particles. Their decay products interact with the machine elements and produce an intense flux of background particles that eventually reach the detector and may degrade its performance. In this paper, we present technologies that have a potential to match the challenging specifications of a muon collider detector and outline a path forward for the future R&D efforts. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.07224v1-abstract-full').style.display = 'none'; document.getElementById('2203.07224v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Contribution to Snowmass 2021, 27 pages, 15 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/2203.06525">arXiv:2203.06525</a> <span> [<a href="https://arxiv.org/pdf/2203.06525">pdf</a>, <a href="https://arxiv.org/format/2203.06525">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> <p class="title is-5 mathjax"> MPGDs for tracking and Muon detection at future high energy physics colliders </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&query=Alviggi%2C+M">M. Alviggi</a>, <a href="/search/physics?searchtype=author&query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&query=Balossino%2C+I">I. Balossino</a>, <a href="/search/physics?searchtype=author&query=Bencivenni%2C+G">G. Bencivenni</a>, <a href="/search/physics?searchtype=author&query=Bertani%2C+M">M. Bertani</a>, <a href="/search/physics?searchtype=author&query=Braghieri%2C+A">A. Braghieri</a>, <a href="/search/physics?searchtype=author&query=Cafaro%2C+V">V. Cafaro</a>, <a href="/search/physics?searchtype=author&query=Calzaferri%2C+S">S. Calzaferri</a>, <a href="/search/physics?searchtype=author&query=Camerlingo%2C+M+T">M. T. Camerlingo</a>, <a href="/search/physics?searchtype=author&query=Canale%2C+V">V. Canale</a>, <a href="/search/physics?searchtype=author&query=Cibinetto%2C+G">G. Cibinetto</a>, <a href="/search/physics?searchtype=author&query=Corbetta%2C+M">M. Corbetta</a>, <a href="/search/physics?searchtype=author&query=D%27Amico%2C+V">V. D'Amico</a>, <a href="/search/physics?searchtype=author&query=De+Lucia%2C+E">E. De Lucia</a>, <a href="/search/physics?searchtype=author&query=Della+Pietra%2C+M">M. Della Pietra</a>, <a href="/search/physics?searchtype=author&query=Di+Donato%2C+C">C. Di Donato</a>, <a href="/search/physics?searchtype=author&query=Di+Nardo%2C+R">R. Di Nardo</a>, <a href="/search/physics?searchtype=author&query=Domenici%2C+D">D. Domenici</a>, <a href="/search/physics?searchtype=author&query=Errico%2C+F">F. Errico</a>, <a href="/search/physics?searchtype=author&query=Everaerts%2C+P">P. Everaerts</a>, <a href="/search/physics?searchtype=author&query=Fallavollita%2C+F">F. Fallavollita</a> , et al. (39 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2203.06525v1-abstract-short" style="display: inline;"> In the next years, the energy and intensity frontiers of the experimental Particle Physics will be pushed forward with the upgrade of existing accelerators (LHC at CERN) and the envisaged construction of new machines at energy scales up to hundreds TeV or with unprecedented intensity (FCC-hh, FCC-ee, ILC, Muon Collider). Large size, cost-effective, high-efficiency detection systems in high backgro… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.06525v1-abstract-full').style.display = 'inline'; document.getElementById('2203.06525v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.06525v1-abstract-full" style="display: none;"> In the next years, the energy and intensity frontiers of the experimental Particle Physics will be pushed forward with the upgrade of existing accelerators (LHC at CERN) and the envisaged construction of new machines at energy scales up to hundreds TeV or with unprecedented intensity (FCC-hh, FCC-ee, ILC, Muon Collider). Large size, cost-effective, high-efficiency detection systems in high background environments are required in order to accomplish the physics program. MPGDs offer a diversity of technologies that allow them to meet the required performance challenges at future facilities thanks to the specific advantages that each technology provides. MPGDs allow stable operation, with environmentally friendly gas mixtures, at very high background particle flux with high detection efficiency and excellent spatial resolution. These features make MPGD one of the primary choices as precise muon tracking and trigger system in general-purpose detectors at future HEP colliders. In addition, the low material budget and the flexibility of the base material make MPGDs suitable for the development of very light, full cylindrical fine tracking inner trackers at lepton colliders. On-going R&Ds aim at pushing the detector performance at the limits of each technology. We are working in continuing to consolidate the construction and stable operation of large-size detectors, able to cope with large particle fluxes. In this white paper, we describe some of the most prominent MPGD technologies, their performance measurements, the challenges faced in the most recent applications, and the areas of improvement towards efficient tracking and Muon detection at future high energy physics colliders. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.06525v1-abstract-full').style.display = 'none'; document.getElementById('2203.06525v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Contribution to Snowmass 2021</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2107.09364">arXiv:2107.09364</a> <span> [<a href="https://arxiv.org/pdf/2107.09364">pdf</a>, <a href="https://arxiv.org/format/2107.09364">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/10.1088/1748-0221/16/11/P11014">10.1088/1748-0221/16/11/P11014 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance of a Triple-GEM Demonstrator in $pp$ Collisions at the CMS Detector </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&query=Borgonovi%2C+L">L. Borgonovi</a>, <a href="/search/physics?searchtype=author&query=Bouhali%2C+O">O. Bouhali</a> , et al. (156 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2107.09364v2-abstract-short" style="display: inline;"> After the Phase-2 high-luminosity upgrade to the Large Hadron Collider (LHC), the collision rate and therefore the background rate will significantly increase, particularly in the high $畏$ region. To improve both the tracking and triggering of muons, the Compact Muon Solenoid (CMS) Collaboration plans to install triple-layer Gas Electron Multiplier (GEM) detectors in the CMS muon endcaps. Demonstr… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.09364v2-abstract-full').style.display = 'inline'; document.getElementById('2107.09364v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2107.09364v2-abstract-full" style="display: none;"> After the Phase-2 high-luminosity upgrade to the Large Hadron Collider (LHC), the collision rate and therefore the background rate will significantly increase, particularly in the high $畏$ region. To improve both the tracking and triggering of muons, the Compact Muon Solenoid (CMS) Collaboration plans to install triple-layer Gas Electron Multiplier (GEM) detectors in the CMS muon endcaps. Demonstrator GEM detectors were installed in CMS during 2017 to gain operational experience and perform a preliminary investigation of detector performance. We present the results of triple-GEM detector performance studies performed in situ during normal CMS and LHC operations in 2018. The distribution of cluster size and the efficiency to reconstruct high $p_T$ muons in proton--proton collisions are presented as well as the measurement of the environmental background rate to produce hits in the GEM detector. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.09364v2-abstract-full').style.display = 'none'; document.getElementById('2107.09364v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 July, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 5 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/2107.03621">arXiv:2107.03621</a> <span> [<a href="https://arxiv.org/pdf/2107.03621">pdf</a>, <a href="https://arxiv.org/format/2107.03621">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/10.1088/1748-0221/16/12/P12026">10.1088/1748-0221/16/12/P12026 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Modeling the triple-GEM detector response to background particles for the CMS Experiment </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&query=Azhgirey%2C+I">I. Azhgirey</a>, <a href="/search/physics?searchtype=author&query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&query=Borgonovi%2C+L">L. Borgonovi</a> , et al. (164 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2107.03621v1-abstract-short" style="display: inline;"> An estimate of environmental background hit rate on triple-GEM chambers is performed using Monte Carlo (MC) simulation and compared to data taken by test chambers installed in the CMS experiment (GE1/1) during Run-2 at the Large Hadron Collider (LHC). The hit rate is measured using data collected with proton-proton collisions at 13 TeV and a luminosity of 1.5$\times10^{34}$ cm$^{-2}$ s$^{-1}$. The… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.03621v1-abstract-full').style.display = 'inline'; document.getElementById('2107.03621v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2107.03621v1-abstract-full" style="display: none;"> An estimate of environmental background hit rate on triple-GEM chambers is performed using Monte Carlo (MC) simulation and compared to data taken by test chambers installed in the CMS experiment (GE1/1) during Run-2 at the Large Hadron Collider (LHC). The hit rate is measured using data collected with proton-proton collisions at 13 TeV and a luminosity of 1.5$\times10^{34}$ cm$^{-2}$ s$^{-1}$. The simulation framework uses a combination of the FLUKA and Geant4 packages to obtain the hit rate. FLUKA provides the radiation environment around the GE1/1 chambers, which is comprised of the particle flux with momentum direction and energy spectra ranging from $10^{-11}$ to $10^{4}$ MeV for neutrons, $10^{-3}$ to $10^{4}$ MeV for $纬$'s, $10^{-2}$ to $10^{4}$ MeV for $e^{\pm}$, and $10^{-1}$ to $10^{4}$ MeV for charged hadrons. Geant4 provides an estimate of detector response (sensitivity) based on an accurate description of detector geometry, material composition and interaction of particles with the various detector layers. The MC simulated hit rate is estimated as a function of the perpendicular distance from the beam line and agrees with data within the assigned uncertainties of 10-14.5%. This simulation framework can be used to obtain a reliable estimate of background rates expected at the High Luminosity LHC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2107.03621v1-abstract-full').style.display = 'none'; document.getElementById('2107.03621v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 July, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">16 pages, 9 figures, 6 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/2009.09505">arXiv:2009.09505</a> <span> [<a href="https://arxiv.org/pdf/2009.09505">pdf</a>, <a href="https://arxiv.org/format/2009.09505">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/10.1088/1748-0221/15/12/P12019">10.1088/1748-0221/15/12/P12019 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Interstrip Capacitances of the Readout Board used in Large Triple-GEM Detectors for the CMS Muon Upgrade </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&query=Borgonovi%2C+L">L. Borgonovi</a>, <a href="/search/physics?searchtype=author&query=Bouhali%2C+O">O. Bouhali</a> , et al. (156 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2009.09505v1-abstract-short" style="display: inline;"> We present analytical calculations, Finite Element Analysis modeling, and physical measurements of the interstrip capacitances for different potential strip geometries and dimensions of the readout boards for the GE2/1 triple-Gas Electron Multiplier detector in the CMS muon system upgrade. The main goal of the study is to find configurations that minimize the interstrip capacitances and consequent… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2009.09505v1-abstract-full').style.display = 'inline'; document.getElementById('2009.09505v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2009.09505v1-abstract-full" style="display: none;"> We present analytical calculations, Finite Element Analysis modeling, and physical measurements of the interstrip capacitances for different potential strip geometries and dimensions of the readout boards for the GE2/1 triple-Gas Electron Multiplier detector in the CMS muon system upgrade. The main goal of the study is to find configurations that minimize the interstrip capacitances and consequently maximize the signal-to-noise ratio for the detector. We find agreement at the 1.5--4.8% level between the two methods of calculations and on the average at the 17% level between calculations and measurements. A configuration with halved strip lengths and doubled strip widths results in a measured 27--29% reduction over the original configuration while leaving the total number of strips unchanged. We have now adopted this design modification for all eight module types of the GE2/1 detector and will produce the final detector with this new strip design. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2009.09505v1-abstract-full').style.display = 'none'; document.getElementById('2009.09505v1-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 September, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">22 pages, 14 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2020 JINST 15 P12019 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2001.10437">arXiv:2001.10437</a> <span> [<a href="https://arxiv.org/pdf/2001.10437">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Neurons and Cognition">q-bio.NC</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Biological Physics">physics.bio-ph</span> </div> </div> <p class="title is-5 mathjax"> Differentiation of neural-type cells on multi-scale ordered collagen-silica bionanocomposites </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Debons%2C+N">Nicolas Debons</a>, <a href="/search/physics?searchtype=author&query=Dems%2C+D">Dounia Dems</a>, <a href="/search/physics?searchtype=author&query=H%C3%A9lary%2C+C">Christophe H茅lary</a>, <a href="/search/physics?searchtype=author&query=Grill%2C+S+L">Sylvain Le Grill</a>, <a href="/search/physics?searchtype=author&query=Picaut%2C+L">Lise Picaut</a>, <a href="/search/physics?searchtype=author&query=Renaud%2C+F">Flore Renaud</a>, <a href="/search/physics?searchtype=author&query=Delsuc%2C+N">Nicolas Delsuc</a>, <a href="/search/physics?searchtype=author&query=Schanne-Klein%2C+M">Marie-Claire Schanne-Klein</a>, <a href="/search/physics?searchtype=author&query=Coradin%2C+T">Thibaud Coradin</a>, <a href="/search/physics?searchtype=author&query=Aim%C3%A9%2C+C">Carole Aim茅</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="2001.10437v1-abstract-short" style="display: inline;"> Cells respond to biophysical and biochemical signals. We developed a composite filament from collagen and silica particles modified to interact with collagen and/or present a laminin epitope (IKVAV) crucial for cell-matrix adhesion and signal transduction. This combines scaffolding and signaling and shows that local tuning of collagen organization enhances cell differentiation. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.10437v1-abstract-full" style="display: none;"> Cells respond to biophysical and biochemical signals. We developed a composite filament from collagen and silica particles modified to interact with collagen and/or present a laminin epitope (IKVAV) crucial for cell-matrix adhesion and signal transduction. This combines scaffolding and signaling and shows that local tuning of collagen organization enhances cell differentiation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.10437v1-abstract-full').style.display = 'none'; document.getElementById('2001.10437v1-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 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Biomaterials Science, Royal Society of Chemistry (RSC), 2020 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div 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