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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&amp;query=Accettura%2C+C">Carlotta Accettura</a>, <a href="/search/physics?searchtype=author&amp;query=Adrian%2C+S">Simon Adrian</a>, <a href="/search/physics?searchtype=author&amp;query=Agarwal%2C+R">Rohit Agarwal</a>, <a href="/search/physics?searchtype=author&amp;query=Ahdida%2C+C">Claudia Ahdida</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A9%2C+C">Chiara Aim茅</a>, <a href="/search/physics?searchtype=author&amp;query=Aksoy%2C+A">Avni Aksoy</a>, <a href="/search/physics?searchtype=author&amp;query=Alberghi%2C+G+L">Gian Luigi Alberghi</a>, <a href="/search/physics?searchtype=author&amp;query=Alden%2C+S">Siobhan Alden</a>, <a href="/search/physics?searchtype=author&amp;query=Alfonso%2C+L">Luca Alfonso</a>, <a href="/search/physics?searchtype=author&amp;query=Amapane%2C+N">Nicola Amapane</a>, <a href="/search/physics?searchtype=author&amp;query=Amorim%2C+D">David Amorim</a>, <a href="/search/physics?searchtype=author&amp;query=Andreetto%2C+P">Paolo Andreetto</a>, <a href="/search/physics?searchtype=author&amp;query=Anulli%2C+F">Fabio Anulli</a>, <a href="/search/physics?searchtype=author&amp;query=Appleby%2C+R">Rob Appleby</a>, <a href="/search/physics?searchtype=author&amp;query=Apresyan%2C+A">Artur Apresyan</a>, <a href="/search/physics?searchtype=author&amp;query=Asadi%2C+P">Pouya Asadi</a>, <a href="/search/physics?searchtype=author&amp;query=Mahmoud%2C+M+A">Mohammed Attia Mahmoud</a>, <a href="/search/physics?searchtype=author&amp;query=Auchmann%2C+B">Bernhard Auchmann</a>, <a href="/search/physics?searchtype=author&amp;query=Back%2C+J">John Back</a>, <a href="/search/physics?searchtype=author&amp;query=Badea%2C+A">Anthony Badea</a>, <a href="/search/physics?searchtype=author&amp;query=Bae%2C+K+J">Kyu Jung Bae</a>, <a href="/search/physics?searchtype=author&amp;query=Bahng%2C+E+J">E. J. Bahng</a>, <a href="/search/physics?searchtype=author&amp;query=Balconi%2C+L">Lorenzo Balconi</a>, <a href="/search/physics?searchtype=author&amp;query=Balli%2C+F">Fabrice Balli</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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';">&#9651; 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>&nbsp;[<a href="https://arxiv.org/pdf/2407.12450">pdf</a>, <a href="https://arxiv.org/format/2407.12450">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </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&amp;query=Accettura%2C+C">C. Accettura</a>, <a href="/search/physics?searchtype=author&amp;query=Adrian%2C+S">S. Adrian</a>, <a href="/search/physics?searchtype=author&amp;query=Agarwal%2C+R">R. Agarwal</a>, <a href="/search/physics?searchtype=author&amp;query=Ahdida%2C+C">C. Ahdida</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A9%2C+C">C. Aim茅</a>, <a href="/search/physics?searchtype=author&amp;query=Aksoy%2C+A">A. Aksoy</a>, <a href="/search/physics?searchtype=author&amp;query=Alberghi%2C+G+L">G. L. Alberghi</a>, <a href="/search/physics?searchtype=author&amp;query=Alden%2C+S">S. Alden</a>, <a href="/search/physics?searchtype=author&amp;query=Amapane%2C+N">N. Amapane</a>, <a href="/search/physics?searchtype=author&amp;query=Amorim%2C+D">D. Amorim</a>, <a href="/search/physics?searchtype=author&amp;query=Andreetto%2C+P">P. Andreetto</a>, <a href="/search/physics?searchtype=author&amp;query=Anulli%2C+F">F. Anulli</a>, <a href="/search/physics?searchtype=author&amp;query=Appleby%2C+R">R. Appleby</a>, <a href="/search/physics?searchtype=author&amp;query=Apresyan%2C+A">A. Apresyan</a>, <a href="/search/physics?searchtype=author&amp;query=Asadi%2C+P">P. Asadi</a>, <a href="/search/physics?searchtype=author&amp;query=Mahmoud%2C+M+A">M. Attia Mahmoud</a>, <a href="/search/physics?searchtype=author&amp;query=Auchmann%2C+B">B. Auchmann</a>, <a href="/search/physics?searchtype=author&amp;query=Back%2C+J">J. Back</a>, <a href="/search/physics?searchtype=author&amp;query=Badea%2C+A">A. Badea</a>, <a href="/search/physics?searchtype=author&amp;query=Bae%2C+K+J">K. J. Bae</a>, <a href="/search/physics?searchtype=author&amp;query=Bahng%2C+E+J">E. J. Bahng</a>, <a href="/search/physics?searchtype=author&amp;query=Balconi%2C+L">L. Balconi</a>, <a href="/search/physics?searchtype=author&amp;query=Balli%2C+F">F. Balli</a>, <a href="/search/physics?searchtype=author&amp;query=Bandiera%2C+L">L. Bandiera</a>, <a href="/search/physics?searchtype=author&amp;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&amp;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&hellip; <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';">&#9661; 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&amp;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&amp;D, proposed to join the IMCC and envisages that the U.S. should prepare to host a muon collider, calling this their &#34;muon shot&#34;. 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';">&#9651; 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&amp;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/2407.10261">arXiv:2407.10261</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2407.10261">pdf</a>, <a href="https://arxiv.org/format/2407.10261">other</a>]&nbsp;</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"> Design and optimization of a hadronic calorimeter based on micropattern gaseous detectors for a future experiment at the Muon Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Pellecchia%2C+A">Antonello Pellecchia</a>, <a href="/search/physics?searchtype=author&amp;query=Buonsante%2C+M">Marco Buonsante</a>, <a href="/search/physics?searchtype=author&amp;query=Borysova%2C+M">Maryna Borysova</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">Anna Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Camerlingo%2C+M+T">Maria Teresa Camerlingo</a>, <a href="/search/physics?searchtype=author&amp;query=Longo%2C+L">Luigi Longo</a>, <a href="/search/physics?searchtype=author&amp;query=Iodice%2C+M">Mauro Iodice</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">Marcello Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Moleri%2C+L">Luca Moleri</a>, <a href="/search/physics?searchtype=author&amp;query=Radogna%2C+R">Raffaella Radogna</a>, <a href="/search/physics?searchtype=author&amp;query=Sekhniaidze%2C+G">Givi Sekhniaidze</a>, <a href="/search/physics?searchtype=author&amp;query=Simone%2C+F+M">Federica Maria Simone</a>, <a href="/search/physics?searchtype=author&amp;query=Stamerra%2C+A">Anna Stamerra</a>, <a href="/search/physics?searchtype=author&amp;query=Venditti%2C+R">Rosamaria Venditti</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">Piet Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Zavazieva%2C+D">Darina Zavazieva</a>, <a href="/search/physics?searchtype=author&amp;query=Zaza%2C+A">Angela Zaza</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="2407.10261v1-abstract-short" style="display: inline;"> Micro-pattern gaseous detectors (MPGDs) are a promising readout technology for hadronic calorimeters (HCAL) thanks to their good space resolution, longevity and rate capability. We describe the development of a HCAL based on MPGDs for an experiment at the proposed Muon Collider. The design of a semi-digital MPGD-HCAL is shown and its performance is calculated with Monte Carlo simulations with high&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.10261v1-abstract-full').style.display = 'inline'; document.getElementById('2407.10261v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2407.10261v1-abstract-full" style="display: none;"> Micro-pattern gaseous detectors (MPGDs) are a promising readout technology for hadronic calorimeters (HCAL) thanks to their good space resolution, longevity and rate capability. We describe the development of a HCAL based on MPGDs for an experiment at the proposed Muon Collider. The design of a semi-digital MPGD-HCAL is shown and its performance is calculated with Monte Carlo simulations with high-energy pions, showing an energy resolution down to 8\% for \SI{80}{\giga\eV} pions. We also present the performance of twelve MPGD prototypes with different technologies (MicroMegas, $渭$-RWELL and RPWELL) assembled and operated in test beam first with high-energy muons and later with pions in a hadronic calorimeter prototype of $\sim1\,位_\text{I}$ length; the detectors have a good response uniformity (lower than 17\%) and space resolution and their performance in the calorimeter shows very good agreement with the Monte Carlo shower calculation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2407.10261v1-abstract-full').style.display = 'none'; document.getElementById('2407.10261v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 July, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2024. </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>&nbsp;[<a href="https://arxiv.org/pdf/2303.08533">pdf</a>, <a href="https://arxiv.org/format/2303.08533">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="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&amp;query=Accettura%2C+C">Carlotta Accettura</a>, <a href="/search/physics?searchtype=author&amp;query=Adams%2C+D">Dean Adams</a>, <a href="/search/physics?searchtype=author&amp;query=Agarwal%2C+R">Rohit Agarwal</a>, <a href="/search/physics?searchtype=author&amp;query=Ahdida%2C+C">Claudia Ahdida</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A8%2C+C">Chiara Aim猫</a>, <a href="/search/physics?searchtype=author&amp;query=Amapane%2C+N">Nicola Amapane</a>, <a href="/search/physics?searchtype=author&amp;query=Amorim%2C+D">David Amorim</a>, <a href="/search/physics?searchtype=author&amp;query=Andreetto%2C+P">Paolo Andreetto</a>, <a href="/search/physics?searchtype=author&amp;query=Anulli%2C+F">Fabio Anulli</a>, <a href="/search/physics?searchtype=author&amp;query=Appleby%2C+R">Robert Appleby</a>, <a href="/search/physics?searchtype=author&amp;query=Apresyan%2C+A">Artur Apresyan</a>, <a href="/search/physics?searchtype=author&amp;query=Apyan%2C+A">Aram Apyan</a>, <a href="/search/physics?searchtype=author&amp;query=Arsenyev%2C+S">Sergey Arsenyev</a>, <a href="/search/physics?searchtype=author&amp;query=Asadi%2C+P">Pouya Asadi</a>, <a href="/search/physics?searchtype=author&amp;query=Mahmoud%2C+M+A">Mohammed Attia Mahmoud</a>, <a href="/search/physics?searchtype=author&amp;query=Azatov%2C+A">Aleksandr Azatov</a>, <a href="/search/physics?searchtype=author&amp;query=Back%2C+J">John Back</a>, <a href="/search/physics?searchtype=author&amp;query=Balconi%2C+L">Lorenzo Balconi</a>, <a href="/search/physics?searchtype=author&amp;query=Bandiera%2C+L">Laura Bandiera</a>, <a href="/search/physics?searchtype=author&amp;query=Barlow%2C+R">Roger Barlow</a>, <a href="/search/physics?searchtype=author&amp;query=Bartosik%2C+N">Nazar Bartosik</a>, <a href="/search/physics?searchtype=author&amp;query=Barzi%2C+E">Emanuela Barzi</a>, <a href="/search/physics?searchtype=author&amp;query=Batsch%2C+F">Fabian Batsch</a>, <a href="/search/physics?searchtype=author&amp;query=Bauce%2C+M">Matteo Bauce</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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';">&#9651; 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/2209.05202">arXiv:2209.05202</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2209.05202">pdf</a>, <a href="https://arxiv.org/format/2209.05202">other</a>]&nbsp;</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="Instrumentation and Methods for Astrophysics">astro-ph.IM</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"> Report of the Topical Group on Micro-Pattern Gaseous Detectors for Snowmass 2021 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Surrow%2C+B">B. Surrow</a>, <a href="/search/physics?searchtype=author&amp;query=Titov%2C+M">M. Titov</a>, <a href="/search/physics?searchtype=author&amp;query=Vahsen%2C+S">S. Vahsen</a>, <a href="/search/physics?searchtype=author&amp;query=Bellerive%2C+A">A. Bellerive</a>, <a href="/search/physics?searchtype=author&amp;query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Dehmelt%2C+K">K. Dehmelt</a>, <a href="/search/physics?searchtype=author&amp;query=Gnanvo%2C+K">K. Gnanvo</a>, <a href="/search/physics?searchtype=author&amp;query=Lewis%2C+P">P. Lewis</a>, <a href="/search/physics?searchtype=author&amp;query=Loomba%2C+D">D. Loomba</a>, <a href="/search/physics?searchtype=author&amp;query=O%27Hare%2C+C">C. O&#39;Hare</a>, <a href="/search/physics?searchtype=author&amp;query=Posik%2C+M">M. Posik</a>, <a href="/search/physics?searchtype=author&amp;query=White%2C+A">A. White</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="2209.05202v2-abstract-short" style="display: inline;"> This report summarizes white papers on micro-pattern gaseous detectors (MPGDs) that were submitted to the Instrumentation Frontier Topical Group IF05, as part of the Snowmass 2021 decadal survey of particle physics. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.05202v2-abstract-full" style="display: none;"> This report summarizes white papers on micro-pattern gaseous detectors (MPGDs) that were submitted to the Instrumentation Frontier Topical Group IF05, as part of the Snowmass 2021 decadal survey of particle physics. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.05202v2-abstract-full').style.display = 'none'; document.getElementById('2209.05202v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 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">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/2203.12037">arXiv:2203.12037</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2203.12037">pdf</a>, <a href="https://arxiv.org/format/2203.12037">other</a>]&nbsp;</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&amp;query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&amp;query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&amp;query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&amp;query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&amp;query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&amp;query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&amp;query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&amp;query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Beyrouthy%2C+T">T. Beyrouthy</a>, <a href="/search/physics?searchtype=author&amp;query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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';">&#9651; 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/2203.07224">arXiv:2203.07224</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/2203.07224">pdf</a>, <a href="https://arxiv.org/format/2203.07224">other</a>]&nbsp;</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&amp;D Directions for the Future Muon Collider Detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Jindariani%2C+S">Sergo Jindariani</a>, <a href="/search/physics?searchtype=author&amp;query=Meloni%2C+F">Federico Meloni</a>, <a href="/search/physics?searchtype=author&amp;query=Pastrone%2C+N">Nadia Pastrone</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A8%2C+C">Chiara Aim猫</a>, <a href="/search/physics?searchtype=author&amp;query=Bartosik%2C+N">Nazar Bartosik</a>, <a href="/search/physics?searchtype=author&amp;query=Barzi%2C+E">Emanuela Barzi</a>, <a href="/search/physics?searchtype=author&amp;query=Bertolin%2C+A">Alessandro Bertolin</a>, <a href="/search/physics?searchtype=author&amp;query=Braghieri%2C+A">Alessandro Braghieri</a>, <a href="/search/physics?searchtype=author&amp;query=Buonincontri%2C+L">Laura Buonincontri</a>, <a href="/search/physics?searchtype=author&amp;query=Calzaferri%2C+S">Simone Calzaferri</a>, <a href="/search/physics?searchtype=author&amp;query=Casarsa%2C+M">Massimo Casarsa</a>, <a href="/search/physics?searchtype=author&amp;query=Catanesi%2C+M+G">Maria Gabriella Catanesi</a>, <a href="/search/physics?searchtype=author&amp;query=Cerri%2C+A">Alessandro Cerri</a>, <a href="/search/physics?searchtype=author&amp;query=Chachamis%2C+G">Grigorios Chachamis</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">Anna Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Curatolo%2C+C">Camilla Curatolo</a>, <a href="/search/physics?searchtype=author&amp;query=Da+Molin%2C+G">Giacomo Da Molin</a>, <a href="/search/physics?searchtype=author&amp;query=Delahaye%2C+J">Jean-Pierre Delahaye</a>, <a href="/search/physics?searchtype=author&amp;query=Di+Micco%2C+B">Biagio Di Micco</a>, <a href="/search/physics?searchtype=author&amp;query=Dorigo%2C+T">Tommaso Dorigo</a>, <a href="/search/physics?searchtype=author&amp;query=Errico%2C+F">Filippo Errico</a>, <a href="/search/physics?searchtype=author&amp;query=Fiorina%2C+D">Davide Fiorina</a>, <a href="/search/physics?searchtype=author&amp;query=Gianelle%2C+A">Alessio Gianelle</a>, <a href="/search/physics?searchtype=author&amp;query=Giraldin%2C+C">Carlo Giraldin</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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&amp;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';">&#9651; 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>&nbsp;[<a href="https://arxiv.org/pdf/2203.06525">pdf</a>, <a href="https://arxiv.org/format/2203.06525">other</a>]&nbsp;</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&amp;query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&amp;query=Alviggi%2C+M">M. Alviggi</a>, <a href="/search/physics?searchtype=author&amp;query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Balossino%2C+I">I. Balossino</a>, <a href="/search/physics?searchtype=author&amp;query=Bencivenni%2C+G">G. Bencivenni</a>, <a href="/search/physics?searchtype=author&amp;query=Bertani%2C+M">M. Bertani</a>, <a href="/search/physics?searchtype=author&amp;query=Braghieri%2C+A">A. Braghieri</a>, <a href="/search/physics?searchtype=author&amp;query=Cafaro%2C+V">V. Cafaro</a>, <a href="/search/physics?searchtype=author&amp;query=Calzaferri%2C+S">S. Calzaferri</a>, <a href="/search/physics?searchtype=author&amp;query=Camerlingo%2C+M+T">M. T. Camerlingo</a>, <a href="/search/physics?searchtype=author&amp;query=Canale%2C+V">V. Canale</a>, <a href="/search/physics?searchtype=author&amp;query=Cibinetto%2C+G">G. Cibinetto</a>, <a href="/search/physics?searchtype=author&amp;query=Corbetta%2C+M">M. Corbetta</a>, <a href="/search/physics?searchtype=author&amp;query=D%27Amico%2C+V">V. D&#39;Amico</a>, <a href="/search/physics?searchtype=author&amp;query=De+Lucia%2C+E">E. De Lucia</a>, <a href="/search/physics?searchtype=author&amp;query=Della+Pietra%2C+M">M. Della Pietra</a>, <a href="/search/physics?searchtype=author&amp;query=Di+Donato%2C+C">C. Di Donato</a>, <a href="/search/physics?searchtype=author&amp;query=Di+Nardo%2C+R">R. Di Nardo</a>, <a href="/search/physics?searchtype=author&amp;query=Domenici%2C+D">D. Domenici</a>, <a href="/search/physics?searchtype=author&amp;query=Errico%2C+F">F. Errico</a>, <a href="/search/physics?searchtype=author&amp;query=Everaerts%2C+P">P. Everaerts</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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&amp;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';">&#9651; 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>&nbsp;[<a href="https://arxiv.org/pdf/2107.09364">pdf</a>, <a href="https://arxiv.org/format/2107.09364">other</a>]&nbsp;</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&amp;query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&amp;query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&amp;query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&amp;query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&amp;query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&amp;query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&amp;query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&amp;query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&amp;query=Borgonovi%2C+L">L. Borgonovi</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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';">&#9651; 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>&nbsp;[<a href="https://arxiv.org/pdf/2107.03621">pdf</a>, <a href="https://arxiv.org/format/2107.03621">other</a>]&nbsp;</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&amp;query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&amp;query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&amp;query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&amp;query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&amp;query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&amp;query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&amp;query=Azhgirey%2C+I">I. Azhgirey</a>, <a href="/search/physics?searchtype=author&amp;query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&amp;query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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 $纬$&#39;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';">&#9651; 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>&nbsp;[<a href="https://arxiv.org/pdf/2009.09505">pdf</a>, <a href="https://arxiv.org/format/2009.09505">other</a>]&nbsp;</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&amp;query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Abdalla%2C+H">H. Abdalla</a>, <a href="/search/physics?searchtype=author&amp;query=Abdelalim%2C+A">A. Abdelalim</a>, <a href="/search/physics?searchtype=author&amp;query=AbuZeid%2C+S">S. AbuZeid</a>, <a href="/search/physics?searchtype=author&amp;query=Agapitos%2C+A">A. Agapitos</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+A">A. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Aim%C3%A8%2C+C">C. Aim猫</a>, <a href="/search/physics?searchtype=author&amp;query=Aruta%2C+C">C. Aruta</a>, <a href="/search/physics?searchtype=author&amp;query=Asghar%2C+I">I. Asghar</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Avila%2C+C">C. Avila</a>, <a href="/search/physics?searchtype=author&amp;query=Babbar%2C+J">J. Babbar</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Band%2C+R">R. Band</a>, <a href="/search/physics?searchtype=author&amp;query=Bansal%2C+S">S. Bansal</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bhatnagar%2C+V">V. Bhatnagar</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+M">M. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Black%2C+K">K. Black</a>, <a href="/search/physics?searchtype=author&amp;query=Borgonovi%2C+L">L. Borgonovi</a>, <a href="/search/physics?searchtype=author&amp;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&hellip; <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';">&#9661; 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';">&#9651; 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/1907.13559">arXiv:1907.13559</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1907.13559">pdf</a>, <a href="https://arxiv.org/format/1907.13559">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/1498/1/012015">10.1088/1742-6596/1498/1/012015 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Diamond-Like Carbon for the Fast Timing MPGD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">Anna Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=De+Robertis%2C+G">Giuseppe De Robertis</a>, <a href="/search/physics?searchtype=author&amp;query=Licciulli%2C+F">Francesco Licciulli</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">Marcello Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Ranieri%2C+A">Antonio Ranieri</a>, <a href="/search/physics?searchtype=author&amp;query=Simone%2C+F">Federica Simone</a>, <a href="/search/physics?searchtype=author&amp;query=Valentini%2C+A">Antonio Valentini</a>, <a href="/search/physics?searchtype=author&amp;query=Venditti%2C+R">Rosamaria Venditti</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">Piet Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Cesaria%2C+M">Maura Cesaria</a>, <a href="/search/physics?searchtype=author&amp;query=Calcagnile%2C+L">Lucio Calcagnile</a>, <a href="/search/physics?searchtype=author&amp;query=Caricato%2C+A+P">Anna Paola Caricato</a>, <a href="/search/physics?searchtype=author&amp;query=Di+Giulio%2C+M">Massimo Di Giulio</a>, <a href="/search/physics?searchtype=author&amp;query=Lorusso%2C+A">Antonella Lorusso</a>, <a href="/search/physics?searchtype=author&amp;query=Manno%2C+D">Daniela Manno</a>, <a href="/search/physics?searchtype=author&amp;query=Martino%2C+M">Maurizio Martino</a>, <a href="/search/physics?searchtype=author&amp;query=Perrone%2C+A">Alessio Perrone</a>, <a href="/search/physics?searchtype=author&amp;query=Quarta%2C+G">Gianluca Quarta</a>, <a href="/search/physics?searchtype=author&amp;query=Serra%2C+A">Antonio Serra</a>, <a href="/search/physics?searchtype=author&amp;query=Ressegotti%2C+M">Martina Ressegotti</a>, <a href="/search/physics?searchtype=author&amp;query=Riccardi%2C+C">Cristina Riccardi</a>, <a href="/search/physics?searchtype=author&amp;query=Salvini%2C+P">Paola Salvini</a>, <a href="/search/physics?searchtype=author&amp;query=Vitulo%2C+P">Paolo Vitulo</a>, <a href="/search/physics?searchtype=author&amp;query=Vai%2C+I">Ilaria Vai</a>, <a href="/search/physics?searchtype=author&amp;query=Roskas%2C+C">Christos Roskas</a> , et al. (1 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="1907.13559v1-abstract-short" style="display: inline;"> The present generation of Micro-Pattern Gaseous Detectors (MPGDs) are radiation hard detectors, capable of detecting efficiently particle rates of several MHz/cm$^2$ , while exhibiting good spatial resolution ($\leq$ 50 $渭$m) and modest time resolution of 5-10 ns, which satisfies the current generation of experiments (High Luminosity LHC upgrades of CMS and ATLAS) but it is not sufficient for bunc&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.13559v1-abstract-full').style.display = 'inline'; document.getElementById('1907.13559v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1907.13559v1-abstract-full" style="display: none;"> The present generation of Micro-Pattern Gaseous Detectors (MPGDs) are radiation hard detectors, capable of detecting efficiently particle rates of several MHz/cm$^2$ , while exhibiting good spatial resolution ($\leq$ 50 $渭$m) and modest time resolution of 5-10 ns, which satisfies the current generation of experiments (High Luminosity LHC upgrades of CMS and ATLAS) but it is not sufficient for bunch crossing identification of fast timing systems at FCC- hh. Thanks to the application of thin resistive films such as Diamond-Like Carbon (DLC) a new detector concept was conceived: Fast Timing MPGD (FTM). In the FTM the drift volume of the detector has been divided in several layers each with their own amplification structure. The use of resistive electrodes makes the entire structure transparent for electrical signals. After some first initial encouraging results, progress has been slowed down due to problems with the wet-etching of DLC-coated polyimide foils. To solve these problems a more in-depth knowledge of the internal stress of the DLC together with the DLC-polyimide adhesion is required. We will report on the production of DLC films produced in Italy with Ion Beam Sputtering and Pulsed Laser Deposition, where we are searching to improve the adhesion of the thin DLC films, combined with a very high uniformity of the resistivity values. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.13559v1-abstract-full').style.display = 'none'; document.getElementById('1907.13559v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 31 July, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 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">MPGD2019 proceedings, presented by Piet Verwilligen</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1512.08529">arXiv:1512.08529</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1512.08529">pdf</a>, <a href="https://arxiv.org/ps/1512.08529">ps</a>, <a href="https://arxiv.org/format/1512.08529">other</a>]&nbsp;</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"> A novel application of Fiber Bragg Grating (FBG) sensors in MPGD </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Abbaneo%2C+D">D. Abbaneo</a>, <a href="/search/physics?searchtype=author&amp;query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Abdelalim%2C+A+A">A. A. Abdelalim</a>, <a href="/search/physics?searchtype=author&amp;query=Akl%2C+M+A">M. Abi Akl</a>, <a href="/search/physics?searchtype=author&amp;query=Aboamer%2C+O">O. Aboamer</a>, <a href="/search/physics?searchtype=author&amp;query=Acosta%2C+D">D. Acosta</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&amp;query=Aly%2C+R">R. Aly</a>, <a href="/search/physics?searchtype=author&amp;query=Altieri%2C+P">P. Altieri</a>, <a href="/search/physics?searchtype=author&amp;query=Asawatangtrakuldee%2C+C">C. Asawatangtrakuldee</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Assran%2C+Y">Y. Assran</a>, <a href="/search/physics?searchtype=author&amp;query=Awan%2C+I">I. Awan</a>, <a href="/search/physics?searchtype=author&amp;query=Bally%2C+S">S. Bally</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/physics?searchtype=author&amp;query=Barashko%2C+V">V. Barashko</a>, <a href="/search/physics?searchtype=author&amp;query=Barria%2C+P">P. Barria</a>, <a href="/search/physics?searchtype=author&amp;query=Bencze%2C+G">G. Bencze</a>, <a href="/search/physics?searchtype=author&amp;query=Beni%2C+N">N. Beni</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a> , et al. (133 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="1512.08529v1-abstract-short" style="display: inline;"> We present a novel application of Fiber Bragg Grating (FBG) sensors in the construction and characterisation of Micro Pattern Gaseous Detector (MPGD), with particular attention to the realisation of the largest triple (Gas electron Multiplier) GEM chambers so far operated, the GE1/1 chambers of the CMS experiment at LHC. The GE1/1 CMS project consists of 144 GEM chambers of about 0.5 m2 active are&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.08529v1-abstract-full').style.display = 'inline'; document.getElementById('1512.08529v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1512.08529v1-abstract-full" style="display: none;"> We present a novel application of Fiber Bragg Grating (FBG) sensors in the construction and characterisation of Micro Pattern Gaseous Detector (MPGD), with particular attention to the realisation of the largest triple (Gas electron Multiplier) GEM chambers so far operated, the GE1/1 chambers of the CMS experiment at LHC. The GE1/1 CMS project consists of 144 GEM chambers of about 0.5 m2 active area each, employing three GEM foils per chamber, to be installed in the forward region of the CMS endcap during the long shutdown of LHC in 2108-2019. The large active area of each GE1/1 chamber consists of GEM foils that are mechanically stretched in order to secure their flatness and the consequent uniform performance of the GE1/1 chamber across its whole active surface. So far FBGs have been used in high energy physics mainly as high precision positioning and re-positioning sensors and as low cost, easy to mount, low space consuming temperature sensors. FBGs are also commonly used for very precise strain measurements in material studies. In this work we present a novel use of FBGs as flatness and mechanical tensioning sensors applied to the wide GEM foils of the GE1/1 chambers. A network of FBG sensors have been used to determine the optimal mechanical tension applied and to characterise the mechanical tension that should be applied to the foils. We discuss the results of the test done on a full-sized GE1/1 final prototype, the studies done to fully characterise the GEM material, how this information was used to define a standard assembly procedure and possible future developments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.08529v1-abstract-full').style.display = 'none'; document.getElementById('1512.08529v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, 4 figures, presented by Luigi Benussi at MPGD 2015 (Trieste, Italy). arXiv admin note: text overlap with arXiv:1512.08481</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> INFN-15-10/LNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1512.08481">arXiv:1512.08481</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1512.08481">pdf</a>, <a href="https://arxiv.org/ps/1512.08481">ps</a>, <a href="https://arxiv.org/format/1512.08481">other</a>]&nbsp;</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.2016.01.059">10.1016/j.nima.2016.01.059 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Fiber Bragg Grating (FBG) sensors as flatness and mechanical stretching sensors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Abbaneo%2C+D">D. Abbaneo</a>, <a href="/search/physics?searchtype=author&amp;query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Abdelalim%2C+A+A">A. A. Abdelalim</a>, <a href="/search/physics?searchtype=author&amp;query=Akl%2C+M+A">M. Abi Akl</a>, <a href="/search/physics?searchtype=author&amp;query=Aboamer%2C+O">O. Aboamer</a>, <a href="/search/physics?searchtype=author&amp;query=Acosta%2C+D">D. Acosta</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmad%2C+A">A. Ahmad</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&amp;query=Aly%2C+R">R. Aly</a>, <a href="/search/physics?searchtype=author&amp;query=Altieri%2C+P">P. Altieri</a>, <a href="/search/physics?searchtype=author&amp;query=Asawatangtrakuldee%2C+C">C. Asawatangtrakuldee</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Assran%2C+Y">Y. Assran</a>, <a href="/search/physics?searchtype=author&amp;query=Awan%2C+I">I. Awan</a>, <a href="/search/physics?searchtype=author&amp;query=Bally%2C+S">S. Bally</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/physics?searchtype=author&amp;query=Barashko%2C+V">V. Barashko</a>, <a href="/search/physics?searchtype=author&amp;query=Barria%2C+P">P. Barria</a>, <a href="/search/physics?searchtype=author&amp;query=Bencze%2C+G">G. Bencze</a>, <a href="/search/physics?searchtype=author&amp;query=Beni%2C+N">N. Beni</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a> , et al. (133 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="1512.08481v1-abstract-short" style="display: inline;"> A novel approach which uses Fibre Bragg Grating (FBG) sensors has been utilised to assess and monitor the flatness of Gaseous Electron Multipliers (GEM) foils. The setup layout and preliminary results are presented. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1512.08481v1-abstract-full" style="display: none;"> A novel approach which uses Fibre Bragg Grating (FBG) sensors has been utilised to assess and monitor the flatness of Gaseous Electron Multipliers (GEM) foils. The setup layout and preliminary results are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1512.08481v1-abstract-full').style.display = 'none'; document.getElementById('1512.08481v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 December, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Two pages, one figure. Presented by Luigi Benussi (corresponding author) to Elba 2015 conference</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Frascati Preprint INFN-15-09/LNF </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1412.0228">arXiv:1412.0228</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1412.0228">pdf</a>, <a href="https://arxiv.org/format/1412.0228">other</a>]&nbsp;</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"> Performance of a Large-Area GEM Detector Prototype for the Upgrade of the CMS Muon Endcap System </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Abbaneo%2C+D">D. Abbaneo</a>, <a href="/search/physics?searchtype=author&amp;query=Abbas%2C+M">M. Abbas</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Abdelalim%2C+A+A">A. A. Abdelalim</a>, <a href="/search/physics?searchtype=author&amp;query=Akl%2C+M+A">M. Abi Akl</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Ahmed%2C+W">W. Ahmed</a>, <a href="/search/physics?searchtype=author&amp;query=Altieri%2C+P">P. Altieri</a>, <a href="/search/physics?searchtype=author&amp;query=Aly%2C+R">R. Aly</a>, <a href="/search/physics?searchtype=author&amp;query=Asawatangtrakuldee%2C+C">C. Asawatangtrakuldee</a>, <a href="/search/physics?searchtype=author&amp;query=Ashfaq%2C+A">A. Ashfaq</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Assran%2C+Y">Y. Assran</a>, <a href="/search/physics?searchtype=author&amp;query=Awan%2C+I">I. Awan</a>, <a href="/search/physics?searchtype=author&amp;query=Bally%2C+S">S. Bally</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/physics?searchtype=author&amp;query=Barria%2C+P">P. Barria</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bhopatkar%2C+V">V. Bhopatkar</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Bos%2C+J">J. Bos</a>, <a href="/search/physics?searchtype=author&amp;query=Bouhali%2C+O">O. Bouhali</a>, <a href="/search/physics?searchtype=author&amp;query=Braibant%2C+S">S. Braibant</a>, <a href="/search/physics?searchtype=author&amp;query=Buontempo%2C+S">S. Buontempo</a> , et al. (113 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="1412.0228v2-abstract-short" style="display: inline;"> Gas Electron Multiplier (GEM) technology is being considered for the forward muon upgrade of the CMS experiment in Phase 2 of the CERN LHC. Its first implementation is planned for the GE1/1 system in the $1.5 &lt; \mid畏\mid &lt; 2.2$ region of the muon endcap mainly to control muon level-1 trigger rates after the second long LHC shutdown. A GE1/1 triple-GEM detector is read out by 3,072 radial strips wi&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.0228v2-abstract-full').style.display = 'inline'; document.getElementById('1412.0228v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1412.0228v2-abstract-full" style="display: none;"> Gas Electron Multiplier (GEM) technology is being considered for the forward muon upgrade of the CMS experiment in Phase 2 of the CERN LHC. Its first implementation is planned for the GE1/1 system in the $1.5 &lt; \mid畏\mid &lt; 2.2$ region of the muon endcap mainly to control muon level-1 trigger rates after the second long LHC shutdown. A GE1/1 triple-GEM detector is read out by 3,072 radial strips with 455 $渭$rad pitch arranged in eight $畏$-sectors. We assembled a full-size GE1/1 prototype of 1m length at Florida Tech and tested it in 20-120 GeV hadron beams at Fermilab using Ar/CO$_{2}$ 70:30 and the RD51 scalable readout system. Four small GEM detectors with 2-D readout and an average measured azimuthal resolution of 36 $渭$rad provided precise reference tracks. Construction of this largest GEM detector built to-date is described. Strip cluster parameters, detection efficiency, and spatial resolution are studied with position and high voltage scans. The plateau detection efficiency is [97.1 $\pm$ 0.2 (stat)]\%. The azimuthal resolution is found to be [123.5 $\pm$ 1.6 (stat)] $渭$rad when operating in the center of the efficiency plateau and using full pulse height information. The resolution can be slightly improved by $\sim$ 10 $渭$rad when correcting for the bias due to discrete readout strips. The CMS upgrade design calls for readout electronics with binary hit output. When strip clusters are formed correspondingly without charge-weighting and with fixed hit thresholds, a position resolution of [136.8 $\pm$ 2.5 stat] $渭$rad is measured, consistent with the expected resolution of strip-pitch/$\sqrt{12}$ = 131.3 $渭$rad. Other $畏$-sectors of the detector show similar response and performance. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1412.0228v2-abstract-full').style.display = 'none'; document.getElementById('1412.0228v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 December, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 November, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 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">8 pages, 32 figures, submitted to Proc. 2014 IEEE Nucl. Sci. Symposium, Seattle, WA, reference added</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1302.5225">arXiv:1302.5225</a> <span>&nbsp;&nbsp;</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"> Study of gas contaminants and interaction with materials in RPC closed loop system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Aurilio%2C+R">R. Aurilio</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Passamonti%2C+L">L. Passamonti</a>, <a href="/search/physics?searchtype=author&amp;query=Piccolo%2C+D">D. Piccolo</a>, <a href="/search/physics?searchtype=author&amp;query=Pierluigi%2C+D">D. Pierluigi</a>, <a href="/search/physics?searchtype=author&amp;query=Russo%2C+A">A. Russo</a>, <a href="/search/physics?searchtype=author&amp;query=Ferrini%2C+M">M. Ferrini</a>, <a href="/search/physics?searchtype=author&amp;query=Greci%2C+T">T. Greci</a>, <a href="/search/physics?searchtype=author&amp;query=Saviano%2C+G">G. Saviano</a>, <a href="/search/physics?searchtype=author&amp;query=Vendittozzi%2C+C">C. Vendittozzi</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Calabria%2C+C">C. Calabria</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Iaselli%2C+G">G. Iaselli</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Nuzzo%2C+S">S. Nuzzo</a>, <a href="/search/physics?searchtype=author&amp;query=Pugliese%2C+G">G. Pugliese</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">P. Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Sharma%2C+A">A. Sharma</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="1302.5225v2-abstract-short" style="display: inline;"> Resistive Plate Counters (RPC) detectors at the Large Hadron Collider (LHC) experiments use gas recirculation systems to cope with large gas mixture volumes and costs. In this paper a long-term systematic study about gas purifiers, gas contaminants and detector performance is discussed. The study aims at measuring the lifetime of purifiers with new and used cartridge material along with contaminan&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1302.5225v2-abstract-full').style.display = 'inline'; document.getElementById('1302.5225v2-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1302.5225v2-abstract-full" style="display: none;"> Resistive Plate Counters (RPC) detectors at the Large Hadron Collider (LHC) experiments use gas recirculation systems to cope with large gas mixture volumes and costs. In this paper a long-term systematic study about gas purifiers, gas contaminants and detector performance is discussed. The study aims at measuring the lifetime of purifiers with new and used cartridge material along with contaminants release in the gas system. During the data-taking the response of several RPC double-gap detectors was monitored in order to characterize the correlation between dark currents, filter status and gas contaminants. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1302.5225v2-abstract-full').style.display = 'none'; document.getElementById('1302.5225v2-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 March, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 February, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">This paper has been withdrawn by the authors. revised version of already uploaded paper [1210.1819]</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1301.6978">arXiv:1301.6978</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1301.6978">pdf</a>, <a href="https://arxiv.org/format/1301.6978">other</a>]&nbsp;</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/10.1088/1748-0221/8/03/P03001">10.1088/1748-0221/8/03/P03001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Simulation of the CMS Resistive Plate Chambers </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Hadjiiska%2C+R">R. Hadjiiska</a>, <a href="/search/physics?searchtype=author&amp;query=Litov%2C+L">L. Litov</a>, <a href="/search/physics?searchtype=author&amp;query=Pavlov%2C+B">B. Pavlov</a>, <a href="/search/physics?searchtype=author&amp;query=Petkov%2C+P">P. Petkov</a>, <a href="/search/physics?searchtype=author&amp;query=Dimitrov%2C+A">A. Dimitrov</a>, <a href="/search/physics?searchtype=author&amp;query=Beernaert%2C+K">K. Beernaert</a>, <a href="/search/physics?searchtype=author&amp;query=Cimmino%2C+A">A. Cimmino</a>, <a href="/search/physics?searchtype=author&amp;query=Costantini%2C+S">S. Costantini</a>, <a href="/search/physics?searchtype=author&amp;query=Garcia%2C+G">G. Garcia</a>, <a href="/search/physics?searchtype=author&amp;query=Lellouch%2C+J">J. Lellouch</a>, <a href="/search/physics?searchtype=author&amp;query=Marinov%2C+A">A. Marinov</a>, <a href="/search/physics?searchtype=author&amp;query=Ocampo%2C+A">A. Ocampo</a>, <a href="/search/physics?searchtype=author&amp;query=Strobbe%2C+N">N. Strobbe</a>, <a href="/search/physics?searchtype=author&amp;query=Thyssen%2C+F">F. Thyssen</a>, <a href="/search/physics?searchtype=author&amp;query=Tytgat%2C+M">M. Tytgat</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">P. Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Yazgan%2C+E">E. Yazgan</a>, <a href="/search/physics?searchtype=author&amp;query=Zaganidis%2C+N">N. Zaganidis</a>, <a href="/search/physics?searchtype=author&amp;query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&amp;query=Genchev%2C+V">V. Genchev</a>, <a href="/search/physics?searchtype=author&amp;query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/physics?searchtype=author&amp;query=Rodozov%2C+M">M. Rodozov</a>, <a href="/search/physics?searchtype=author&amp;query=Shopova%2C+M">M. Shopova</a>, <a href="/search/physics?searchtype=author&amp;query=Sultanov%2C+G">G. Sultanov</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</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="1301.6978v1-abstract-short" style="display: inline;"> The Resistive Plate Chamber (RPC) muon subsystem contributes significantly to the formation of the trigger decision and reconstruction of the muon trajectory parameters. Simulation of the RPC response is a crucial part of the entire CMS Monte Carlo software and directly influences the final physical results. An algorithm based on the parametrization of RPC efficiency, noise, cluster size and timin&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1301.6978v1-abstract-full').style.display = 'inline'; document.getElementById('1301.6978v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1301.6978v1-abstract-full" style="display: none;"> The Resistive Plate Chamber (RPC) muon subsystem contributes significantly to the formation of the trigger decision and reconstruction of the muon trajectory parameters. Simulation of the RPC response is a crucial part of the entire CMS Monte Carlo software and directly influences the final physical results. An algorithm based on the parametrization of RPC efficiency, noise, cluster size and timing for every strip has been developed. Experimental data obtained from cosmic and proton-proton collisions at $\sqrt{s}=7$ TeV have been used for determination of the parameters. A dedicated validation procedure has been developed. A good agreement between the simulated and experimental data has been achieved. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1301.6978v1-abstract-full').style.display = 'none'; document.getElementById('1301.6978v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 January, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">to be published in JINST</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1211.3939">arXiv:1211.3939</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1211.3939">pdf</a>, <a href="https://arxiv.org/ps/1211.3939">ps</a>, <a href="https://arxiv.org/format/1211.3939">other</a>]&nbsp;</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"> Beam Test Results for New Full-scale GEM Prototypes for a Future Upgrade of the CMS High-eta Muon System </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Abbaneo%2C+D">D. Abbaneo</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Armagnaud%2C+C">C. Armagnaud</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Assran%2C+Y">Y. Assran</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Bally%2C+S">S. Bally</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Berzano%2C+U">U. Berzano</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Bos%2C+J">J. Bos</a>, <a href="/search/physics?searchtype=author&amp;query=Bunkowski%2C+K">K. Bunkowski</a>, <a href="/search/physics?searchtype=author&amp;query=Cai%2C+J">J. Cai</a>, <a href="/search/physics?searchtype=author&amp;query=Chatelain%2C+J+P">J. P. Chatelain</a>, <a href="/search/physics?searchtype=author&amp;query=Christiansen%2C+J">J. Christiansen</a>, <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Garcia%2C+A+C">A. Conde Garcia</a>, <a href="/search/physics?searchtype=author&amp;query=David%2C+E">E. David</a>, <a href="/search/physics?searchtype=author&amp;query=de+Robertis%2C+G">G. de Robertis</a>, <a href="/search/physics?searchtype=author&amp;query=De+Oliveira%2C+R">R. De Oliveira</a>, <a href="/search/physics?searchtype=author&amp;query=Pinto%2C+S+D">S. Duarte Pinto</a>, <a href="/search/physics?searchtype=author&amp;query=Ferry%2C+S">S. Ferry</a>, <a href="/search/physics?searchtype=author&amp;query=Formenti%2C+F">F. Formenti</a>, <a href="/search/physics?searchtype=author&amp;query=Franconi%2C+L">L. Franconi</a> , et al. (34 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1211.3939v1-abstract-short" style="display: inline;"> The CMS GEM collaboration is considering Gas Electron Multipliers (GEMs) for upgrading the CMS forward muon system in the 1.5&lt;|eta|&lt;2.4 endcap region. GEM detectors can provide precision tracking and fast trigger information. They would improve the CMS muon trigger and muon momentum resolution and provide missing redundancy in the high-eta region. Employing a new faster construction and assembly t&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.3939v1-abstract-full').style.display = 'inline'; document.getElementById('1211.3939v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.3939v1-abstract-full" style="display: none;"> The CMS GEM collaboration is considering Gas Electron Multipliers (GEMs) for upgrading the CMS forward muon system in the 1.5&lt;|eta|&lt;2.4 endcap region. GEM detectors can provide precision tracking and fast trigger information. They would improve the CMS muon trigger and muon momentum resolution and provide missing redundancy in the high-eta region. Employing a new faster construction and assembly technique, we built four full-scale Triple-GEM muon detectors for the inner ring of the first muon endcap station. We plan to install these or further improved versions in CMS during the first long LHC shutdown in 2013/14 for continued testing. These detectors are designed for the stringent rate and resolution requirements in the increasingly hostile environments expected at CMS after the second long LHC shutdown in 2018/19. The new prototypes were studied in muon/pion beams at the CERN SPS. We discuss our experience with constructing the new full-scale production prototypes and present preliminary performance results from the beam test. We also tested smaller Triple-GEM prototypes with zigzag readout strips with 2 mm pitch in these beams and measured a spatial resolution of 73 microns. This readout offers a potential reduction of channel count and consequently electronics cost for this system while maintaining high spatial resolution. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.3939v1-abstract-full').style.display = 'none'; document.getElementById('1211.3939v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 November, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2012. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 9 figures, submitted to Proc. 2012 IEEE Nucl. Sci. Symposium, Anaheim, CA</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1210.1819">arXiv:1210.1819</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1210.1819">pdf</a>, <a href="https://arxiv.org/ps/1210.1819">ps</a>, <a href="https://arxiv.org/format/1210.1819">other</a>]&nbsp;</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/10.1088/1748-0221/8/03/T03008">10.1088/1748-0221/8/03/T03008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A study of gas contaminants and interaction with materials in RPC closed loop systems </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Aurilio%2C+R">R. Aurilio</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Passamonti%2C+L">L. Passamonti</a>, <a href="/search/physics?searchtype=author&amp;query=Piccolo%2C+D">D. Piccolo</a>, <a href="/search/physics?searchtype=author&amp;query=Pierluigi%2C+D">D. Pierluigi</a>, <a href="/search/physics?searchtype=author&amp;query=Russo%2C+A">A. Russo</a>, <a href="/search/physics?searchtype=author&amp;query=Ferrini%2C+M">M. Ferrini</a>, <a href="/search/physics?searchtype=author&amp;query=Greci%2C+T">T. Greci</a>, <a href="/search/physics?searchtype=author&amp;query=Saviano%2C+G">G. Saviano</a>, <a href="/search/physics?searchtype=author&amp;query=Vendittozzi%2C+C">C. Vendittozzi</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Calabria%2C+C">C. Calabria</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Iaselli%2C+G">G. Iaselli</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Nuzzo%2C+S">S. Nuzzo</a>, <a href="/search/physics?searchtype=author&amp;query=Pugliese%2C+G">G. Pugliese</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">P. Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Sharma%2C+A">A. Sharma</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="1210.1819v1-abstract-short" style="display: inline;"> Resistive Plate Counters (RPC) detectors at the Large Hadron Collider (LHC) experiments use gas recirculation systems to cope with large gas mixture volumes and costs. In this paper a long-term systematic study about gas purifiers, gas contaminants and detector performance is discussed. The study aims at measuring the lifetime of purifiers with unused and used cartridge material along with contami&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1210.1819v1-abstract-full').style.display = 'inline'; document.getElementById('1210.1819v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1210.1819v1-abstract-full" style="display: none;"> Resistive Plate Counters (RPC) detectors at the Large Hadron Collider (LHC) experiments use gas recirculation systems to cope with large gas mixture volumes and costs. In this paper a long-term systematic study about gas purifiers, gas contaminants and detector performance is discussed. The study aims at measuring the lifetime of purifiers with unused and used cartridge material along with contaminants release in the gas system. During the data-taking the response of several RPC double-gap detectors was monitored in order to characterize the correlation between dark currents, filter status and gas contaminants. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1210.1819v1-abstract-full').style.display = 'none'; document.getElementById('1210.1819v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 October, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2012. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.3893">arXiv:1209.3893</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1209.3893">pdf</a>, <a href="https://arxiv.org/ps/1209.3893">ps</a>, <a href="https://arxiv.org/format/1209.3893">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/7/12/P12004">10.1088/1748-0221/7/12/P12004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance of the Gas Gain Monitoring system of the CMS RPC muon detector and effective working point fine tuning </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Passamonti%2C+L">L. Passamonti</a>, <a href="/search/physics?searchtype=author&amp;query=Piccolo%2C+D">D. Piccolo</a>, <a href="/search/physics?searchtype=author&amp;query=Pierluigi%2C+D">D. Pierluigi</a>, <a href="/search/physics?searchtype=author&amp;query=Russo%2C+A">A. Russo</a>, <a href="/search/physics?searchtype=author&amp;query=Saviano%2C+G">G. Saviano</a>, <a href="/search/physics?searchtype=author&amp;query=Vendittozzi%2C+C">C. Vendittozzi</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&amp;query=Berzano%2C+U">U. Berzano</a>, <a href="/search/physics?searchtype=author&amp;query=Calabria%2C+C">C. Calabria</a>, <a href="/search/physics?searchtype=author&amp;query=Carrillo%2C+C">C. Carrillo</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Genchev%2C+V">V. Genchev</a>, <a href="/search/physics?searchtype=author&amp;query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/physics?searchtype=author&amp;query=Kang%2C+M">M. Kang</a>, <a href="/search/physics?searchtype=author&amp;query=Lee%2C+K+S">K. S. Lee</a>, <a href="/search/physics?searchtype=author&amp;query=Loddo%2C+F">F. Loddo</a>, <a href="/search/physics?searchtype=author&amp;query=Park%2C+S+K">S. K. Park</a>, <a href="/search/physics?searchtype=author&amp;query=Pugliese%2C+G">G. Pugliese</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Shin%2C+S">S. Shin</a>, <a href="/search/physics?searchtype=author&amp;query=Rodozov%2C+M">M. Rodozov</a> , et al. (3 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="1209.3893v1-abstract-short" style="display: inline;"> The Gas Gain Monitoring (GGM) system of the Resistive Plate Chamber (RPC) muon detector in the Compact Muon Solenoid (CMS) experiment provides fast and accurate determination of the stability in the working point conditions due to gas mixture changes in the closed loop recirculation system. In 2011 the GGM began to operate using a feedback algorithm to control the applied voltage, in order to keep&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.3893v1-abstract-full').style.display = 'inline'; document.getElementById('1209.3893v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.3893v1-abstract-full" style="display: none;"> The Gas Gain Monitoring (GGM) system of the Resistive Plate Chamber (RPC) muon detector in the Compact Muon Solenoid (CMS) experiment provides fast and accurate determination of the stability in the working point conditions due to gas mixture changes in the closed loop recirculation system. In 2011 the GGM began to operate using a feedback algorithm to control the applied voltage, in order to keep the GGM response insensitive to environmental temperature and atmospheric pressure variations. Recent results are presented on the feedback method used and on alternative algorithms. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.3893v1-abstract-full').style.display = 'none'; document.getElementById('1209.3893v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 September, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2012. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.1989">arXiv:1209.1989</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1209.1989">pdf</a>, <a href="https://arxiv.org/ps/1209.1989">ps</a>, <a href="https://arxiv.org/format/1209.1989">other</a>]&nbsp;</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/10.1088/1748-0221/8/03/P03017">10.1088/1748-0221/8/03/P03017 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Uniformity and Stability of the CMS RPC Detector at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Costantini%2C+S">S. Costantini</a>, <a href="/search/physics?searchtype=author&amp;query=Beernaert%2C+K">K. Beernaert</a>, <a href="/search/physics?searchtype=author&amp;query=Cimmino%2C+A">A. Cimmino</a>, <a href="/search/physics?searchtype=author&amp;query=Garcia%2C+G">G. Garcia</a>, <a href="/search/physics?searchtype=author&amp;query=Lellouch%2C+J">J. Lellouch</a>, <a href="/search/physics?searchtype=author&amp;query=Marinov%2C+A">A. Marinov</a>, <a href="/search/physics?searchtype=author&amp;query=Ocampo%2C+A">A. Ocampo</a>, <a href="/search/physics?searchtype=author&amp;query=Strobbe%2C+N">N. Strobbe</a>, <a href="/search/physics?searchtype=author&amp;query=Thyssen%2C+F">F. Thyssen</a>, <a href="/search/physics?searchtype=author&amp;query=Tytgat%2C+M">M. Tytgat</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">P. Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Yazgan%2C+E">E. Yazgan</a>, <a href="/search/physics?searchtype=author&amp;query=Zaganidis%2C+N">N. Zaganidis</a>, <a href="/search/physics?searchtype=author&amp;query=Dimitrov%2C+A">A. Dimitrov</a>, <a href="/search/physics?searchtype=author&amp;query=Hadjiiska%2C+R">R. Hadjiiska</a>, <a href="/search/physics?searchtype=author&amp;query=Litov%2C+L">L. Litov</a>, <a href="/search/physics?searchtype=author&amp;query=Pavlov%2C+B">B. Pavlov</a>, <a href="/search/physics?searchtype=author&amp;query=Petkov%2C+P">P. Petkov</a>, <a href="/search/physics?searchtype=author&amp;query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&amp;query=Genchev%2C+V">V. Genchev</a>, <a href="/search/physics?searchtype=author&amp;query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/physics?searchtype=author&amp;query=Rodozov%2C+M">M. Rodozov</a>, <a href="/search/physics?searchtype=author&amp;query=Shopova%2C+M">M. Shopova</a>, <a href="/search/physics?searchtype=author&amp;query=Sultanov%2C+G">G. Sultanov</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a> , et al. (38 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="1209.1989v1-abstract-short" style="display: inline;"> The Resistive Plate Chambers (RPCs) are employed in the CMS experiment at the LHC as dedicated trigger system both in the barrel and in the endcap. This note presents results of the RPC detector uniformity and stability during the 2011 data taking period, and preliminary results obtained with 2012 data. The detector uniformity has been ensured with a dedicated High Voltage scan with LHC collisions&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1989v1-abstract-full').style.display = 'inline'; document.getElementById('1209.1989v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.1989v1-abstract-full" style="display: none;"> The Resistive Plate Chambers (RPCs) are employed in the CMS experiment at the LHC as dedicated trigger system both in the barrel and in the endcap. This note presents results of the RPC detector uniformity and stability during the 2011 data taking period, and preliminary results obtained with 2012 data. The detector uniformity has been ensured with a dedicated High Voltage scan with LHC collisions, in order to determine the optimal operating working voltage of each individual RPC chamber installed in CMS. Emphasis is given on the procedures and results of the High Voltage calibration. Moreover, an increased detector stability has been obtained by automatically taking into account temperature and atmospheric pressure variations in the CMS cavern. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1989v1-abstract-full').style.display = 'none'; document.getElementById('1209.1989v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 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">Plenary talk presented at RPC2012. Part of JINST RPC2012 special issue</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.1979">arXiv:1209.1979</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1209.1979">pdf</a>, <a href="https://arxiv.org/ps/1209.1979">ps</a>, <a href="https://arxiv.org/format/1209.1979">other</a>]&nbsp;</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/10.1088/1748-0221/8/02/T02002">10.1088/1748-0221/8/02/T02002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Upgrade of the CMS RPC System during the First LHC Long Shutdown </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Tytgat%2C+M">M. Tytgat</a>, <a href="/search/physics?searchtype=author&amp;query=Marinov%2C+A">A. Marinov</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">P. Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Zaganidis%2C+N">N. Zaganidis</a>, <a href="/search/physics?searchtype=author&amp;query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&amp;query=Genchev%2C+V">V. Genchev</a>, <a href="/search/physics?searchtype=author&amp;query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/physics?searchtype=author&amp;query=Rodozov%2C+M">M. Rodozov</a>, <a href="/search/physics?searchtype=author&amp;query=Shopova%2C+M">M. Shopova</a>, <a href="/search/physics?searchtype=author&amp;query=Sultanov%2C+G">G. Sultanov</a>, <a href="/search/physics?searchtype=author&amp;query=Assran%2C+Y">Y. Assran</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Calabria%2C+C">C. Calabria</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Iaselli%2C+G">G. Iaselli</a>, <a href="/search/physics?searchtype=author&amp;query=Loddo%2C+F">F. Loddo</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Pugliese%2C+G">G. Pugliese</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Caponero%2C+M">M. Caponero</a>, <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Felli%2C+F">F. Felli</a>, <a href="/search/physics?searchtype=author&amp;query=Piccolo%2C+D">D. Piccolo</a>, <a href="/search/physics?searchtype=author&amp;query=Saviano%2C+G">G. Saviano</a> , et al. (9 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="1209.1979v1-abstract-short" style="display: inline;"> The CMS muon system includes in both the barrel and endcap region Resistive Plate Chambers (RPC). They mainly serve as trigger detectors and also improve the reconstruction of muon parameters. Over the years, the instantaneous luminosity of the Large Hadron Collider gradually increases. During the LHC Phase 1 (~first 10 years of operation) an ultimate luminosity is expected above its design value&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1979v1-abstract-full').style.display = 'inline'; document.getElementById('1209.1979v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.1979v1-abstract-full" style="display: none;"> The CMS muon system includes in both the barrel and endcap region Resistive Plate Chambers (RPC). They mainly serve as trigger detectors and also improve the reconstruction of muon parameters. Over the years, the instantaneous luminosity of the Large Hadron Collider gradually increases. During the LHC Phase 1 (~first 10 years of operation) an ultimate luminosity is expected above its design value of 10^34/cm^2/s at 14 TeV. To prepare the machine and also the experiments for this, two long shutdown periods are scheduled for 2013-2014 and 2018-2019. The CMS Collaboration is planning several detector upgrades during these long shutdowns. In particular, the muon detection system should be able to maintain a low-pT threshold for an efficient Level-1 Muon Trigger at high particle rates. One of the measures to ensure this, is to extend the present RPC system with the addition of a 4th layer in both endcap regions. During the first long shutdown, these two new stations will be equipped in the region |eta|&lt;1.6 with 144 High Pressure Laminate (HPL) double-gap RPCs operating in avalanche mode, with a similar design as the existing CMS endcap chambers. Here, we present the upgrade plans for the CMS RPC system for the fist long shutdown, including trigger simulation studies for the extended system, and details on the new HPL production, the chamber assembly and the quality control procedures. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1979v1-abstract-full').style.display = 'none'; document.getElementById('1209.1979v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 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">9 pages, 6 figures, presented by M.Tytgat at the XI workshop on Resistive Plate Chambers and Related Detectors (RPC2012), INFN - Laboratori Nazionali di Frascati, February 5-10, 2012</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1209.1941">arXiv:1209.1941</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1209.1941">pdf</a>]&nbsp;</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/10.1088/1748-0221/8/04/P04005">10.1088/1748-0221/8/04/P04005 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> CMS Resistive Plate Chamber overview, from the present system to the upgrade phase I </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Paolucci%2C+P">P. Paolucci</a>, <a href="/search/physics?searchtype=author&amp;query=Hadjiiska%2C+R">R. Hadjiiska</a>, <a href="/search/physics?searchtype=author&amp;query=Litov%2C+L">L. Litov</a>, <a href="/search/physics?searchtype=author&amp;query=Pavlov%2C+B">B. Pavlov</a>, <a href="/search/physics?searchtype=author&amp;query=Petkov%2C+P">P. Petkov</a>, <a href="/search/physics?searchtype=author&amp;query=Dimitrov%2C+A">A. Dimitrov</a>, <a href="/search/physics?searchtype=author&amp;query=Beernaert%2C+K">K. Beernaert</a>, <a href="/search/physics?searchtype=author&amp;query=Cimmino%2C+A">A. Cimmino</a>, <a href="/search/physics?searchtype=author&amp;query=Costantini%2C+S">S. Costantini</a>, <a href="/search/physics?searchtype=author&amp;query=Guillaume%2C+G">G. Guillaume</a>, <a href="/search/physics?searchtype=author&amp;query=Lellouch%2C+J">J. Lellouch</a>, <a href="/search/physics?searchtype=author&amp;query=Marinov%2C+A">A. Marinov</a>, <a href="/search/physics?searchtype=author&amp;query=Ocampo%2C+A">A. Ocampo</a>, <a href="/search/physics?searchtype=author&amp;query=Strobbe%2C+N">N. Strobbe</a>, <a href="/search/physics?searchtype=author&amp;query=Thyssen%2C+F">F. Thyssen</a>, <a href="/search/physics?searchtype=author&amp;query=Tytgat%2C+M">M. Tytgat</a>, <a href="/search/physics?searchtype=author&amp;query=Verwilligen%2C+P">P. Verwilligen</a>, <a href="/search/physics?searchtype=author&amp;query=Yazgan%2C+E">E. Yazgan</a>, <a href="/search/physics?searchtype=author&amp;query=Zaganidis%2C+N">N. Zaganidis</a>, <a href="/search/physics?searchtype=author&amp;query=Aleksandrov%2C+A">A. Aleksandrov</a>, <a href="/search/physics?searchtype=author&amp;query=Genchev%2C+V">V. Genchev</a>, <a href="/search/physics?searchtype=author&amp;query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/physics?searchtype=author&amp;query=Rodozov%2C+M">M. Rodozov</a>, <a href="/search/physics?searchtype=author&amp;query=Shopova%2C+M">M. Shopova</a>, <a href="/search/physics?searchtype=author&amp;query=Sultanov%2C+G">G. Sultanov</a> , et al. (38 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="1209.1941v1-abstract-short" style="display: inline;"> University of Sofia, Faculty of Physics, Atomic Physics Department, 5, James Bourchier Boulevard, BG-1164 Sofia, Bulgaria Ghent University, Department of Physics and Astronomy, Proeftuinstraat 86, BE-9000 Ghent, Belgium Bulgarian Academy of Sciences, Inst. for Nucl. Res. and Nucl. Energy, Tzarigradsko shaussee Boulevard 72, BG-1784 Sofia, Bulgaria Peking University, Department of Technical Physics&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1941v1-abstract-full').style.display = 'inline'; document.getElementById('1209.1941v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1209.1941v1-abstract-full" style="display: none;"> University of Sofia, Faculty of Physics, Atomic Physics Department, 5, James Bourchier Boulevard, BG-1164 Sofia, Bulgaria Ghent University, Department of Physics and Astronomy, Proeftuinstraat 86, BE-9000 Ghent, Belgium Bulgarian Academy of Sciences, Inst. for Nucl. Res. and Nucl. Energy, Tzarigradsko shaussee Boulevard 72, BG-1784 Sofia, Bulgaria Peking University, Department of Technical Physics, CN-100 871 Beijing, China Universidad de Los Andes, Apartado A茅reo 4976, Carrera 1E, no. 18A 10, CO-Bogot谩, Colombia Academy of Scientific Research and Technology of the Arab Republic of Egypt, 101 Sharia Kasr El-Ain, Cairo, Egypt Panjab University, Department of Physics, Chandigarh Mandir 160 014, India Universita e INFN, Sezione di Bari, Via Orabona 4, IT-70126 Bari, Italy INFN, Laboratori Nazionali di Frascati, PO Box 13, Via Enrico Fermi 40, IT-00044 Frascati, Italy Universita e INFN, Sezione di Napoli, Complesso Univ. Monte S. Angelo, Via Cintia, IT-80126 Napoli, Italy Universita e INFN, Sezione di Pavia, Via Bassi 6, IT-Pavia, Italy Department of Physics and Korea Detector Laboratory, Korea University, Aman-dong 5-ga, Sungbuk-gu, Seou,l Republic of Korea Sungkyunkwan University, Department of Physics 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-Do, Republic of Korea <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1209.1941v1-abstract-full').style.display = 'none'; document.getElementById('1209.1941v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 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">Conference Report for the &#34;RPC2012 Conference&#34; held in Frascati (ITALY) 12 pages, 10 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/1111.7249">arXiv:1111.7249</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1111.7249">pdf</a>, <a href="https://arxiv.org/ps/1111.7249">ps</a>, <a href="https://arxiv.org/format/1111.7249">other</a>]&nbsp;</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/10.1109/NSSMIC.2011.6154312">10.1109/NSSMIC.2011.6154312 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Construction and Performance of Large-Area Triple-GEM Prototypes for Future Upgrades of the CMS Forward Muon System </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Tytgat%2C+M">M. Tytgat</a>, <a href="/search/physics?searchtype=author&amp;query=Marinov%2C+A">A. Marinov</a>, <a href="/search/physics?searchtype=author&amp;query=Zaganidis%2C+N">N. Zaganidis</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Cai%2C+J">J. Cai</a>, <a href="/search/physics?searchtype=author&amp;query=Teng%2C+H">H. Teng</a>, <a href="/search/physics?searchtype=author&amp;query=Mohapatra%2C+A">A. Mohapatra</a>, <a href="/search/physics?searchtype=author&amp;query=Moulik%2C+T">T. Moulik</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=de+Robertis%2C+G">G. de Robertis</a>, <a href="/search/physics?searchtype=author&amp;query=Loddo%2C+F">F. Loddo</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Nuzzo%2C+S">S. Nuzzo</a>, <a href="/search/physics?searchtype=author&amp;query=Tupputi%2C+S+A">S. A. Tupputi</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Piccolo%2C+D">D. Piccolo</a>, <a href="/search/physics?searchtype=author&amp;query=Raffone%2C+G">G. Raffone</a>, <a href="/search/physics?searchtype=author&amp;query=Saviano%2C+G">G. Saviano</a>, <a href="/search/physics?searchtype=author&amp;query=Bagliesi%2C+M+G">M. G. Bagliesi</a>, <a href="/search/physics?searchtype=author&amp;query=Cecchi%2C+R">R. Cecchi</a>, <a href="/search/physics?searchtype=author&amp;query=Magazzu%2C+G">G. Magazzu</a>, <a href="/search/physics?searchtype=author&amp;query=Oliveri%2C+E">E. Oliveri</a> , et al. (34 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="1111.7249v1-abstract-short" style="display: inline;"> At present, part of the forward RPC muon system of the CMS detector at the CERN LHC remains uninstrumented in the high-畏region. An international collaboration is investigating the possibility of covering the 1.6 &lt; |畏| &lt; 2.4 region of the muon endcaps with large-area triple-GEM detectors. Given their good spatial resolution, high rate capability, and radiation hardness, these micro-pattern gas dete&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.7249v1-abstract-full').style.display = 'inline'; document.getElementById('1111.7249v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1111.7249v1-abstract-full" style="display: none;"> At present, part of the forward RPC muon system of the CMS detector at the CERN LHC remains uninstrumented in the high-畏region. An international collaboration is investigating the possibility of covering the 1.6 &lt; |畏| &lt; 2.4 region of the muon endcaps with large-area triple-GEM detectors. Given their good spatial resolution, high rate capability, and radiation hardness, these micro-pattern gas detectors are an appealing option for simultaneously enhancing muon tracking and triggering capabilities in a future upgrade of the CMS detector. A general overview of this feasibility study will be presented. The design and construction of small (10\times10 cm2) and full-size trapezoidal (1\times0.5 m2) triple-GEM prototypes will be described. During detector assembly, different techniques for stretching the GEM foils were tested. Results from measurements with x-rays and from test beam campaigns at the CERN SPS will be shown for the small and large prototypes. Preliminary simulation studies on the expected muon reconstruction and trigger performances of this proposed upgraded muon system will be reported. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.7249v1-abstract-full').style.display = 'none'; document.getElementById('1111.7249v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">7 pages, 25 figures, submitted for publication in conference record of the 2011 IEEE Nuclear Science Symposium, Valencia, Spain</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> RD51-Note-2011-012 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1111.4883">arXiv:1111.4883</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/1111.4883">pdf</a>, <a href="https://arxiv.org/ps/1111.4883">ps</a>, <a href="https://arxiv.org/format/1111.4883">other</a>]&nbsp;</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"> Test beam results of the GE1/1 prototype for a future upgrade of the CMS high-$畏$ muon system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Abbaneo%2C+D">D. Abbaneo</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Armagnaud%2C+C">C. Armagnaud</a>, <a href="/search/physics?searchtype=author&amp;query=Aspell%2C+P">P. Aspell</a>, <a href="/search/physics?searchtype=author&amp;query=Bagliesi%2C+M+G">M. G. Bagliesi</a>, <a href="/search/physics?searchtype=author&amp;query=Ban%2C+Y">Y. Ban</a>, <a href="/search/physics?searchtype=author&amp;query=Bally%2C+S">S. Bally</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Berzano%2C+U">U. Berzano</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Bos%2C+J">J. Bos</a>, <a href="/search/physics?searchtype=author&amp;query=Bunkowski%2C+K">K. Bunkowski</a>, <a href="/search/physics?searchtype=author&amp;query=Cai%2C+J">J. Cai</a>, <a href="/search/physics?searchtype=author&amp;query=Cecchi%2C+R">R. Cecchi</a>, <a href="/search/physics?searchtype=author&amp;query=Chatelain%2C+J+P">J. P. Chatelain</a>, <a href="/search/physics?searchtype=author&amp;query=Christiansen%2C+J">J. Christiansen</a>, <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Garcia%2C+A+C">A. Conde Garcia</a>, <a href="/search/physics?searchtype=author&amp;query=David%2C+E">E. David</a>, <a href="/search/physics?searchtype=author&amp;query=de+Robertis%2C+G">G. de Robertis</a>, <a href="/search/physics?searchtype=author&amp;query=De+Oliveira%2C+R">R. De Oliveira</a>, <a href="/search/physics?searchtype=author&amp;query=Pinto%2C+S+D">S. Duarte Pinto</a>, <a href="/search/physics?searchtype=author&amp;query=Ferry%2C+S">S. Ferry</a>, <a href="/search/physics?searchtype=author&amp;query=Formenti%2C+F">F. Formenti</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="1111.4883v4-abstract-short" style="display: inline;"> Gas Electron Multipliers (GEM) are an interesting technology under consideration for the future upgrade of the forward region of the CMS muon system, specifically in the $1.6&lt;| 畏|&lt;2.4$ endcap region. With a sufficiently fine segmentation GEMs can provide precision tracking as well as fast trigger information. The main objective is to contribute to the improvement of the CMS muon trigger. The const&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.4883v4-abstract-full').style.display = 'inline'; document.getElementById('1111.4883v4-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1111.4883v4-abstract-full" style="display: none;"> Gas Electron Multipliers (GEM) are an interesting technology under consideration for the future upgrade of the forward region of the CMS muon system, specifically in the $1.6&lt;| 畏|&lt;2.4$ endcap region. With a sufficiently fine segmentation GEMs can provide precision tracking as well as fast trigger information. The main objective is to contribute to the improvement of the CMS muon trigger. The construction of large-area GEM detectors is challenging both from the technological and production aspects. In view of the CMS upgrade we have designed and built the largest full-size Triple-GEM muon detector, which is able to meet the stringent requirements given the hostile environment at the high-luminosity LHC. Measurements were performed during several test beam campaigns at the CERN SPS in 2010 and 2011. The main issues under study are efficiency, spatial resolution and timing performance with different inter-electrode gap configurations and gas mixtures. In this paper results of the performance of the prototypes at the beam tests will be discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.4883v4-abstract-full').style.display = 'none'; document.getElementById('1111.4883v4-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2011. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0812.1710">arXiv:0812.1710</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/0812.1710">pdf</a>, <a href="https://arxiv.org/ps/0812.1710">ps</a>, <a href="https://arxiv.org/format/0812.1710">other</a>]&nbsp;</span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/4/08/P08006">10.1088/1748-0221/4/08/P08006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Sensitivity and environmental response of the CMS RPC gas gain monitoring system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Fabbri%2C+F+L">F. L. Fabbri</a>, <a href="/search/physics?searchtype=author&amp;query=Giardoni%2C+M">M. Giardoni</a>, <a href="/search/physics?searchtype=author&amp;query=Ortenzi%2C+B">B. Ortenzi</a>, <a href="/search/physics?searchtype=author&amp;query=Paolozzi%2C+A">A. Paolozzi</a>, <a href="/search/physics?searchtype=author&amp;query=Passamonti%2C+L">L. Passamonti</a>, <a href="/search/physics?searchtype=author&amp;query=Pierluigi%2C+D">D. Pierluigi</a>, <a href="/search/physics?searchtype=author&amp;query=Ponzio%2C+B">B. Ponzio</a>, <a href="/search/physics?searchtype=author&amp;query=Russo%2C+A">A. Russo</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Loddo%2C+F">F. Loddo</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Ranieri%2C+A">A. Ranieri</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Iaselli%2C+G">G. Iaselli</a>, <a href="/search/physics?searchtype=author&amp;query=Marangelli%2C+B">B. Marangelli</a>, <a href="/search/physics?searchtype=author&amp;query=Natali%2C+S">S. Natali</a>, <a href="/search/physics?searchtype=author&amp;query=Nuzzo%2C+S">S. Nuzzo</a>, <a href="/search/physics?searchtype=author&amp;query=Pugliese%2C+G">G. Pugliese</a>, <a href="/search/physics?searchtype=author&amp;query=Romano%2C+F">F. Romano</a>, <a href="/search/physics?searchtype=author&amp;query=Roselli%2C+G">G. Roselli</a>, <a href="/search/physics?searchtype=author&amp;query=Trentadue%2C+R">R. Trentadue</a>, <a href="/search/physics?searchtype=author&amp;query=Tupputi%2C+S">S. Tupputi</a> , et al. (13 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="0812.1710v1-abstract-short" style="display: inline;"> Results from the gas gain monitoring (GGM) system for the muon detector using RPC in the CMS experiment at the LHC is presented. The system is designed to provide fast and accurate determination of any shift in the working point of the chambers due to gas mixture changes. </span> <span class="abstract-full has-text-grey-dark mathjax" id="0812.1710v1-abstract-full" style="display: none;"> Results from the gas gain monitoring (GGM) system for the muon detector using RPC in the CMS experiment at the LHC is presented. The system is designed to provide fast and accurate determination of any shift in the working point of the chambers due to gas mixture changes. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0812.1710v1-abstract-full').style.display = 'none'; document.getElementById('0812.1710v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 9 December, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 7 figures, uses lnfprepCMS.sty, presented by S. Colafranceschi at IEEE 08 Dresden (Germany) November 2008</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Frascati Preprint LNF - 08 / 27(P) </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 4:P08006,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0812.1108">arXiv:0812.1108</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/0812.1108">pdf</a>, <a href="https://arxiv.org/ps/0812.1108">ps</a>, <a href="https://arxiv.org/format/0812.1108">other</a>]&nbsp;</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.2008.12.175">10.1016/j.nima.2008.12.175 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The CMS RPC gas gain monitoring system: an overview and preliminary results </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Colafranceschi%2C+S">S. Colafranceschi</a>, <a href="/search/physics?searchtype=author&amp;query=Colonna%2C+D">D. Colonna</a>, <a href="/search/physics?searchtype=author&amp;query=Daniello%2C+L">L. Daniello</a>, <a href="/search/physics?searchtype=author&amp;query=Fabbri%2C+F+L">F. L. Fabbri</a>, <a href="/search/physics?searchtype=author&amp;query=Giardoni%2C+M">M. Giardoni</a>, <a href="/search/physics?searchtype=author&amp;query=Ortenzi%2C+B">B. Ortenzi</a>, <a href="/search/physics?searchtype=author&amp;query=Paolozzi%2C+A">A. Paolozzi</a>, <a href="/search/physics?searchtype=author&amp;query=Passamonti%2C+L">L. Passamonti</a>, <a href="/search/physics?searchtype=author&amp;query=Pierluigi%2C+D">D. Pierluigi</a>, <a href="/search/physics?searchtype=author&amp;query=Ponzio%2C+B">B. Ponzio</a>, <a href="/search/physics?searchtype=author&amp;query=Pucci%2C+C">C. Pucci</a>, <a href="/search/physics?searchtype=author&amp;query=Russo%2C+A">A. Russo</a>, <a href="/search/physics?searchtype=author&amp;query=Roselli%2C+G">G. Roselli</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Loddo%2C+F">F. Loddo</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Ranieri%2C+A">A. Ranieri</a>, <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Iaselli%2C+G">G. Iaselli</a>, <a href="/search/physics?searchtype=author&amp;query=Marangelli%2C+B">B. Marangelli</a>, <a href="/search/physics?searchtype=author&amp;query=Natali%2C+S">S. Natali</a>, <a href="/search/physics?searchtype=author&amp;query=Nuzzo%2C+S">S. Nuzzo</a>, <a href="/search/physics?searchtype=author&amp;query=Pugliese%2C+G">G. Pugliese</a> , et al. (18 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="0812.1108v1-abstract-short" style="display: inline;"> The status of the CMS RPC Gas Gain Monitoring (GGM) system developed at the Frascati Laboratory of INFN (Istituto Nazionale di Fisica Nucleare) is reported on. The GGM system is a cosmic ray telescope based on small RPC detectors operated with the same gas mixture used by the CMS RPC system. The GGM gain and efficiency are continuously monitored on-line, thus providing a fast and accurate determ&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0812.1108v1-abstract-full').style.display = 'inline'; document.getElementById('0812.1108v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0812.1108v1-abstract-full" style="display: none;"> The status of the CMS RPC Gas Gain Monitoring (GGM) system developed at the Frascati Laboratory of INFN (Istituto Nazionale di Fisica Nucleare) is reported on. The GGM system is a cosmic ray telescope based on small RPC detectors operated with the same gas mixture used by the CMS RPC system. The GGM gain and efficiency are continuously monitored on-line, thus providing a fast and accurate determination of any shift in working point conditions. The construction details and the first result of GGM commissioning are described. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0812.1108v1-abstract-full').style.display = 'none'; document.getElementById('0812.1108v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 December, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">8 pages, 9 figures, uses lnfprepCMS.sty, presented by L. Benussi at RPC07, Mumbai, INDIA 2008</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Frascati PrePrint LNF-08/29(P) </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Instrum.Meth.A602:805-808,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/physics/0701014">arXiv:physics/0701014</a> <span>&nbsp;[<a href="https://arxiv.org/pdf/physics/0701014">pdf</a>, <a href="https://arxiv.org/ps/physics/0701014">ps</a>, <a href="https://arxiv.org/format/physics/0701014">other</a>]&nbsp;</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"> Gas Analysis and Monitoring Systems for the RPC Detector of CMS at LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&amp;query=Abbrescia%2C+M">M. Abbrescia</a>, <a href="/search/physics?searchtype=author&amp;query=Colaleo%2C+A">A. Colaleo</a>, <a href="/search/physics?searchtype=author&amp;query=Guida%2C+R">R. Guida</a>, <a href="/search/physics?searchtype=author&amp;query=Iaselli%2C+G">G. Iaselli</a>, <a href="/search/physics?searchtype=author&amp;query=Liuzzi%2C+R">R. Liuzzi</a>, <a href="/search/physics?searchtype=author&amp;query=Loddo%2C+F">F. Loddo</a>, <a href="/search/physics?searchtype=author&amp;query=Maggi%2C+M">M. Maggi</a>, <a href="/search/physics?searchtype=author&amp;query=Marangelli%2C+B">B. Marangelli</a>, <a href="/search/physics?searchtype=author&amp;query=Natali%2C+S">S. Natali</a>, <a href="/search/physics?searchtype=author&amp;query=Nuzzo%2C+S">S. Nuzzo</a>, <a href="/search/physics?searchtype=author&amp;query=Pugliese%2C+G">G. Pugliese</a>, <a href="/search/physics?searchtype=author&amp;query=Ranieri%2C+A">A. Ranieri</a>, <a href="/search/physics?searchtype=author&amp;query=Romano%2C+F">F. Romano</a>, <a href="/search/physics?searchtype=author&amp;query=Trentadue%2C+R">R. Trentadue</a>, <a href="/search/physics?searchtype=author&amp;query=Benussi%2C+L">L. Benussi</a>, <a href="/search/physics?searchtype=author&amp;query=Bertani%2C+M">M. Bertani</a>, <a href="/search/physics?searchtype=author&amp;query=Bianco%2C+S">S. Bianco</a>, <a href="/search/physics?searchtype=author&amp;query=Caponero%2C+M+A">M. A. Caponero</a>, <a href="/search/physics?searchtype=author&amp;query=Colonna%2C+D">D. Colonna</a>, <a href="/search/physics?searchtype=author&amp;query=Donisi%2C+D">D. Donisi</a>, <a href="/search/physics?searchtype=author&amp;query=Fabbri%2C+F+L">F. L. Fabbri</a>, <a href="/search/physics?searchtype=author&amp;query=Felli%2C+F">F. Felli</a>, <a href="/search/physics?searchtype=author&amp;query=Ortenzi%2C+M+G+B">M. Giardoni B. Ortenzi</a>, <a href="/search/physics?searchtype=author&amp;query=Pallotta%2C+M">M. Pallotta</a>, <a href="/search/physics?searchtype=author&amp;query=Paolozzi%2C+A">A. Paolozzi</a> , et al. (16 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="physics/0701014v1-abstract-short" style="display: inline;"> The Resistive Plate Chambers (RPC) detector of the CMS experiment at the LHC proton collider (CERN, Switzerland) will employ an online gas analysis and monitoring system of the freon-based gas mixture used. We give an overview of the CMS RPC gas system, describe the project parameters and first results on gas-chromatograph analysis. Finally, we report on preliminary results for a set of monitor&hellip; <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0701014v1-abstract-full').style.display = 'inline'; document.getElementById('physics/0701014v1-abstract-short').style.display = 'none';">&#9661; More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="physics/0701014v1-abstract-full" style="display: none;"> The Resistive Plate Chambers (RPC) detector of the CMS experiment at the LHC proton collider (CERN, Switzerland) will employ an online gas analysis and monitoring system of the freon-based gas mixture used. We give an overview of the CMS RPC gas system, describe the project parameters and first results on gas-chromatograph analysis. Finally, we report on preliminary results for a set of monitor RPC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/0701014v1-abstract-full').style.display = 'none'; document.getElementById('physics/0701014v1-abstract-short').style.display = 'inline';">&#9651; Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 December, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">9 pages, 8 figures. Presented by Stefano Bianco (Laboratori Nazionali di Frascati dell&#39;INFN) at the IEEE NSS, San Diego (USA), October 2006</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Frascati preprint LNF-06/34 (P) </p> </li> </ol> <div class="is-hidden-tablet"> <!-- feedback for mobile only --> <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>&nbsp;&nbsp;</span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary"> <!-- MetaColumn 1 --> <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 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