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<button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.04967">arXiv:2410.04967</a> <span> [<a href="https://arxiv.org/pdf/2410.04967">pdf</a>, <a href="https://arxiv.org/format/2410.04967">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Physics and Society">physics.soc-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Physics Education">physics.ed-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Popular Physics">physics.pop-ph</span> </div> </div> <p class="title is-5 mathjax"> Crowd-sourced particle physics stories from DESY-CMS </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Blekman%2C+F">Freya Blekman</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">Andrea Cardini</a>, <a href="/search/physics?searchtype=author&query=Saravia%2C+L+X+C">Lucia Ximena Coll Saravia</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="2410.04967v1-abstract-short" style="display: inline;"> The CMS at DESY outreach Instagram account (@cmsatdesy) serves as a platform for science communication and outreach for a large experimental particle physics group. The initiative aims to promote scientific research, engage young scientists in outreach activities, and showcase their contributions. Instagram was chosen for its strong alignment with the target demographic and its broad user base in… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.04967v1-abstract-full').style.display = 'inline'; document.getElementById('2410.04967v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.04967v1-abstract-full" style="display: none;"> The CMS at DESY outreach Instagram account (@cmsatdesy) serves as a platform for science communication and outreach for a large experimental particle physics group. The initiative aims to promote scientific research, engage young scientists in outreach activities, and showcase their contributions. Instagram was chosen for its strong alignment with the target demographic and its broad user base in Germany and internationally. The account highlights the work of young scientists, providing insights into their scientific journeys and disseminating particle physics outreach content. Multiple contributors collaborate on content creation, offering early career researchers opportunities for training in science communication while maintaining a manageable time commitment. This paper presents the evolution of the project, its initial objectives, target audience, and the experiences gained in content development and public engagement on social media platforms. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.04967v1-abstract-full').style.display = 'none'; document.getElementById('2410.04967v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">6 pages, 4 figures, 42nd International Conference on High Energy physics - ICHEP2024</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2402.17320">arXiv:2402.17320</a> <span> [<a href="https://arxiv.org/pdf/2402.17320">pdf</a>, <a href="https://arxiv.org/format/2402.17320">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</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="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/10.1103/PhysRevD.109.102002">10.1103/PhysRevD.109.102002 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Correlated 0.01Hz-40Hz seismic and Newtonian noise and its impact on future gravitational-wave detectors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Janssens%2C+K">Kamiel Janssens</a>, <a href="/search/physics?searchtype=author&query=Boileau%2C+G">Guillaume Boileau</a>, <a href="/search/physics?searchtype=author&query=Christensen%2C+N">Nelson Christensen</a>, <a href="/search/physics?searchtype=author&query=van+Remortel%2C+N">Nick van Remortel</a>, <a href="/search/physics?searchtype=author&query=Badaracco%2C+F">Francesca Badaracco</a>, <a href="/search/physics?searchtype=author&query=Canuel%2C+B">Benjamin Canuel</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">Alessandro Cardini</a>, <a href="/search/physics?searchtype=author&query=Contu%2C+A">Andrea Contu</a>, <a href="/search/physics?searchtype=author&query=Coughlin%2C+M+W">Michael W. Coughlin</a>, <a href="/search/physics?searchtype=author&query=Decitre%2C+J">Jean-Baptiste Decitre</a>, <a href="/search/physics?searchtype=author&query=De+Rosa%2C+R">Rosario De Rosa</a>, <a href="/search/physics?searchtype=author&query=Di+Giovanni%2C+M">Matteo Di Giovanni</a>, <a href="/search/physics?searchtype=author&query=D%27Urso%2C+D">Domenico D'Urso</a>, <a href="/search/physics?searchtype=author&query=Gaffet%2C+S">St茅phane Gaffet</a>, <a href="/search/physics?searchtype=author&query=Giunchi%2C+C">Carlo Giunchi</a>, <a href="/search/physics?searchtype=author&query=Harms%2C+J">Jan Harms</a>, <a href="/search/physics?searchtype=author&query=Koley%2C+S">Soumen Koley</a>, <a href="/search/physics?searchtype=author&query=Mangano%2C+V">Valentina Mangano</a>, <a href="/search/physics?searchtype=author&query=Naticchioni%2C+L">Luca Naticchioni</a>, <a href="/search/physics?searchtype=author&query=Olivieri%2C+M">Marco Olivieri</a>, <a href="/search/physics?searchtype=author&query=Paoletti%2C+F">Federico Paoletti</a>, <a href="/search/physics?searchtype=author&query=Rozza%2C+D">Davide Rozza</a>, <a href="/search/physics?searchtype=author&query=Sabulsky%2C+D+O">Dylan O. Sabulsky</a>, <a href="/search/physics?searchtype=author&query=Shani-Kadmiel%2C+S">Shahar Shani-Kadmiel</a>, <a href="/search/physics?searchtype=author&query=Trozzo%2C+L">Lucia Trozzo</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="2402.17320v1-abstract-short" style="display: inline;"> We report correlations in underground seismic measurements with horizontal separations of several hundreds of meters to a few kilometers in the frequency range 0.01Hz to 40Hz. These seismic correlations could threaten science goals of planned interferometric gravitational-wave detectors such as the Einstein Telescope as well as atom interferometers such as MIGA and ELGAR. We use seismic measuremen… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.17320v1-abstract-full').style.display = 'inline'; document.getElementById('2402.17320v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2402.17320v1-abstract-full" style="display: none;"> We report correlations in underground seismic measurements with horizontal separations of several hundreds of meters to a few kilometers in the frequency range 0.01Hz to 40Hz. These seismic correlations could threaten science goals of planned interferometric gravitational-wave detectors such as the Einstein Telescope as well as atom interferometers such as MIGA and ELGAR. We use seismic measurements from four different sites, i.e. the former Homestake mine (USA) as well as two candidate sites for the Einstein Telescope, Sos Enattos (IT) and Euregio Maas-Rhein (NL-BE-DE) and the site housing the MIGA detector, LSBB (FR). At all sites, we observe significant coherence for at least 50% of the time in the majority of the frequency region of interest. Based on the observed correlations in the seismic fields, we predict levels of correlated Newtonian noise from body waves. We project the effect of correlated Newtonian noise from body waves on the capabilities of the triangular design of the Einstein Telescope's to observe an isotropic gravitational-wave background (GWB) and find that, even in case of the most quiet site, its sensitivity will be affected up to $\sim$20Hz. The resolvable amplitude of a GWB signal with a negatively sloped power-law behaviour would be reduced by several orders of magnitude. However, the resolvability of a power-law signal with a slope of e.g. $伪=0$ ($伪=2/3$) would be more moderately affected by a factor $\sim$ 6-9 ($\sim$3-4) in case of a low noise environment. Furthermore, we bolster confidence in our results by showing that transient noise features have a limited impact on the presented results. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2402.17320v1-abstract-full').style.display = 'none'; document.getElementById('2402.17320v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 February, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2024. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2305.10515">arXiv:2305.10515</a> <span> [<a href="https://arxiv.org/pdf/2305.10515">pdf</a>, <a href="https://arxiv.org/format/2305.10515">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div 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/10.1088/1748-0221/19/05/P05065">10.1088/1748-0221/19/05/P05065 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The LHCb upgrade I </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=LHCb+collaboration"> LHCb collaboration</a>, <a href="/search/physics?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/physics?searchtype=author&query=Abdelmotteleb%2C+A+S+W">A. S. W. Abdelmotteleb</a>, <a href="/search/physics?searchtype=author&query=Beteta%2C+C+A">C. Abellan Beteta</a>, <a href="/search/physics?searchtype=author&query=Abudin%C3%A9n%2C+F">F. Abudin茅n</a>, <a href="/search/physics?searchtype=author&query=Achard%2C+C">C. Achard</a>, <a href="/search/physics?searchtype=author&query=Ackernley%2C+T">T. Ackernley</a>, <a href="/search/physics?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/physics?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/physics?searchtype=author&query=Adlarson%2C+P">P. Adlarson</a>, <a href="/search/physics?searchtype=author&query=Afsharnia%2C+H">H. Afsharnia</a>, <a href="/search/physics?searchtype=author&query=Agapopoulou%2C+C">C. Agapopoulou</a>, <a href="/search/physics?searchtype=author&query=Aidala%2C+C+A">C. A. Aidala</a>, <a href="/search/physics?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/physics?searchtype=author&query=Akar%2C+S">S. Akar</a>, <a href="/search/physics?searchtype=author&query=Akiba%2C+K">K. Akiba</a>, <a href="/search/physics?searchtype=author&query=Albicocco%2C+P">P. Albicocco</a>, <a href="/search/physics?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/physics?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/physics?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/physics?searchtype=author&query=Albero%2C+A+A">A. Alfonso Albero</a>, <a href="/search/physics?searchtype=author&query=Aliouche%2C+Z">Z. Aliouche</a>, <a href="/search/physics?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/physics?searchtype=author&query=Amalric%2C+R">R. Amalric</a>, <a href="/search/physics?searchtype=author&query=Amato%2C+S">S. Amato</a> , et al. (1298 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="2305.10515v2-abstract-short" style="display: inline;"> The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. Readout of all detectors into an all-software trigger is central to the new design, facilitating the reconstruction of events at the maximum LHC interaction rate, and their select… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.10515v2-abstract-full').style.display = 'inline'; document.getElementById('2305.10515v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.10515v2-abstract-full" style="display: none;"> The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger than that of the previous running periods. Readout of all detectors into an all-software trigger is central to the new design, facilitating the reconstruction of events at the maximum LHC interaction rate, and their selection in real time. The experiment's tracking system has been completely upgraded with a new pixel vertex detector, a silicon tracker upstream of the dipole magnet and three scintillating fibre tracking stations downstream of the magnet. The whole photon detection system of the RICH detectors has been renewed and the readout electronics of the calorimeter and muon systems have been fully overhauled. The first stage of the all-software trigger is implemented on a GPU farm. The output of the trigger provides a combination of totally reconstructed physics objects, such as tracks and vertices, ready for final analysis, and of entire events which need further offline reprocessing. This scheme required a complete revision of the computing model and rewriting of the experiment's software. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.10515v2-abstract-full').style.display = 'none'; document.getElementById('2305.10515v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 September, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 17 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 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">All figures and tables, along with any supplementary material and additional information, are available at http://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-DP-2022-002.html (LHCb public pages)</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-DP-2022-002 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 19 (2024) P05065 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2211.16586">arXiv:2211.16586</a> <span> [<a href="https://arxiv.org/pdf/2211.16586">pdf</a>, <a href="https://arxiv.org/format/2211.16586">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> HIKE, High Intensity Kaon Experiments at the CERN SPS </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Gil%2C+E+C">E. Cortina Gil</a>, <a href="/search/physics?searchtype=author&query=Jerhot%2C+J">J. Jerhot</a>, <a href="/search/physics?searchtype=author&query=Lurkin%2C+N">N. Lurkin</a>, <a href="/search/physics?searchtype=author&query=Numao%2C+T">T. Numao</a>, <a href="/search/physics?searchtype=author&query=Velghe%2C+B">B. Velghe</a>, <a href="/search/physics?searchtype=author&query=Wong%2C+V+W+S">V. W. S. Wong</a>, <a href="/search/physics?searchtype=author&query=Bryman%2C+D">D. Bryman</a>, <a href="/search/physics?searchtype=author&query=Bician%2C+L">L. Bician</a>, <a href="/search/physics?searchtype=author&query=Hives%2C+Z">Z. Hives</a>, <a href="/search/physics?searchtype=author&query=Husek%2C+T">T. Husek</a>, <a href="/search/physics?searchtype=author&query=Kampf%2C+K">K. Kampf</a>, <a href="/search/physics?searchtype=author&query=Koval%2C+M">M. Koval</a>, <a href="/search/physics?searchtype=author&query=Akmete%2C+A+T">A. T. Akmete</a>, <a href="/search/physics?searchtype=author&query=Aliberti%2C+R">R. Aliberti</a>, <a href="/search/physics?searchtype=author&query=B%C3%BCscher%2C+V">V. B眉scher</a>, <a href="/search/physics?searchtype=author&query=Di+Lella%2C+L">L. Di Lella</a>, <a href="/search/physics?searchtype=author&query=Doble%2C+N">N. Doble</a>, <a href="/search/physics?searchtype=author&query=Peruzzo%2C+L">L. Peruzzo</a>, <a href="/search/physics?searchtype=author&query=Schott%2C+M">M. Schott</a>, <a href="/search/physics?searchtype=author&query=Wahl%2C+H">H. Wahl</a>, <a href="/search/physics?searchtype=author&query=Wanke%2C+R">R. Wanke</a>, <a href="/search/physics?searchtype=author&query=D%C3%B6brich%2C+B">B. D枚brich</a>, <a href="/search/physics?searchtype=author&query=Montalto%2C+L">L. Montalto</a>, <a href="/search/physics?searchtype=author&query=Rinaldi%2C+D">D. Rinaldi</a>, <a href="/search/physics?searchtype=author&query=Dettori%2C+F">F. Dettori</a> , et al. (154 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="2211.16586v1-abstract-short" style="display: inline;"> A timely and long-term programme of kaon decay measurements at a new level of precision is presented, leveraging the capabilities of the CERN Super Proton Synchrotron (SPS). The proposed programme is firmly anchored on the experience built up studying kaon decays at the SPS over the past four decades, and includes rare processes, CP violation, dark sectors, symmetry tests and other tests of the St… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.16586v1-abstract-full').style.display = 'inline'; document.getElementById('2211.16586v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2211.16586v1-abstract-full" style="display: none;"> A timely and long-term programme of kaon decay measurements at a new level of precision is presented, leveraging the capabilities of the CERN Super Proton Synchrotron (SPS). The proposed programme is firmly anchored on the experience built up studying kaon decays at the SPS over the past four decades, and includes rare processes, CP violation, dark sectors, symmetry tests and other tests of the Standard Model. The experimental programme is based on a staged approach involving experiments with charged and neutral kaon beams, as well as operation in beam-dump mode. The various phases will rely on a common infrastructure and set of detectors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2211.16586v1-abstract-full').style.display = 'none'; document.getElementById('2211.16586v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 November, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Letter of Intent submitted to CERN SPSC. Address all correspondence to hike-eb@cern.ch</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-SPSC-2022-031/SPSC-I-257 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.14632">arXiv:2209.14632</a> <span> [<a href="https://arxiv.org/pdf/2209.14632">pdf</a>, <a href="https://arxiv.org/format/2209.14632">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/18/01/C01051">10.1088/1748-0221/18/01/C01051 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> 10 ps timing with highly irradiated 3D trench silicon pixel sensors </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Lampis%2C+A">A. Lampis</a>, <a href="/search/physics?searchtype=author&query=Borgato%2C+F">F. Borgato</a>, <a href="/search/physics?searchtype=author&query=Brundu%2C+D">D. Brundu</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Cossu%2C+G+M">G. M. Cossu</a>, <a href="/search/physics?searchtype=author&query=Betta%2C+G+-+D">G. -F. Dalla Betta</a>, <a href="/search/physics?searchtype=author&query=Garau%2C+M">M. Garau</a>, <a href="/search/physics?searchtype=author&query=La+Delfa%2C+L">L. La Delfa</a>, <a href="/search/physics?searchtype=author&query=Lai%2C+A">A. Lai</a>, <a href="/search/physics?searchtype=author&query=Loi%2C+A">A. Loi</a>, <a href="/search/physics?searchtype=author&query=Obertino%2C+M">M. Obertino</a>, <a href="/search/physics?searchtype=author&query=Simi%2C+G">G. Simi</a>, <a href="/search/physics?searchtype=author&query=Vecchi%2C+S">S. Vecchi</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="2209.14632v2-abstract-short" style="display: inline;"> In this paper the results of a beam test characterization campaign of 3D trench silicon pixel sensors are presented. A time resolution in the order of 10 ps was measured both for non-irradiated and irradiated sensors up to a fluence of $2.5 \cdot 10^{16}\,1\,MeV\, n_{eq}\,cm^{-2}$. This feature and a detection efficiency close to $99\%$ make this sensors one of the best candidates for 4D tracking… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.14632v2-abstract-full').style.display = 'inline'; document.getElementById('2209.14632v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.14632v2-abstract-full" style="display: none;"> In this paper the results of a beam test characterization campaign of 3D trench silicon pixel sensors are presented. A time resolution in the order of 10 ps was measured both for non-irradiated and irradiated sensors up to a fluence of $2.5 \cdot 10^{16}\,1\,MeV\, n_{eq}\,cm^{-2}$. This feature and a detection efficiency close to $99\%$ make this sensors one of the best candidates for 4D tracking detectors in High-Energy-Physics experiments. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.14632v2-abstract-full').style.display = 'none'; document.getElementById('2209.14632v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 8 November, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 29 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">Prepared for submission to JINST, IWORID 2022</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2106.08191">arXiv:2106.08191</a> <span> [<a href="https://arxiv.org/pdf/2106.08191">pdf</a>, <a href="https://arxiv.org/format/2106.08191">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/16/09/P09028">10.1088/1748-0221/16/09/P09028 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Accurate modelling of 3D-trench silicon sensor with enhanced timing performance and comparison with test beam measurements </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Brundu%2C+D">Davide Brundu</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">Alessandro Cardini</a>, <a href="/search/physics?searchtype=author&query=Contu%2C+A">Andrea Contu</a>, <a href="/search/physics?searchtype=author&query=Cossu%2C+G+M">Gian Matteo Cossu</a>, <a href="/search/physics?searchtype=author&query=Betta%2C+G+F+D">Gian Franco Dalla Betta</a>, <a href="/search/physics?searchtype=author&query=Garau%2C+M">Michela Garau</a>, <a href="/search/physics?searchtype=author&query=Lai%2C+A">Adriano Lai</a>, <a href="/search/physics?searchtype=author&query=Lampis%2C+A">Andrea Lampis</a>, <a href="/search/physics?searchtype=author&query=Loi%2C+A">Angelo Loi</a>, <a href="/search/physics?searchtype=author&query=Obertino%2C+M+M">Maria Margherita Obertino</a>, <a href="/search/physics?searchtype=author&query=Siddi%2C+B+G">Benedetto Gianluca Siddi</a>, <a href="/search/physics?searchtype=author&query=Vecchi%2C+S">Stefania Vecchi</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="2106.08191v1-abstract-short" style="display: inline;"> This paper presents the detailed simulation of a double-pixel structure for charged particle detection based on the 3D-trench silicon sensor developed for the TIMESPOT project and a comparison of the simulation results with measurements performed at $蟺-$M1 beam at PSI laboratory. The simulation is based on the combined use of several software tools (TCAD, GEANT4, TCoDe and TFBoost) which allow to… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2106.08191v1-abstract-full').style.display = 'inline'; document.getElementById('2106.08191v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2106.08191v1-abstract-full" style="display: none;"> This paper presents the detailed simulation of a double-pixel structure for charged particle detection based on the 3D-trench silicon sensor developed for the TIMESPOT project and a comparison of the simulation results with measurements performed at $蟺-$M1 beam at PSI laboratory. The simulation is based on the combined use of several software tools (TCAD, GEANT4, TCoDe and TFBoost) which allow to fully design and simulate the device physics response in very short computational time, O(1-100 s) per simulated signal, by exploiting parallel computation using single or multi-thread processors. This allowed to produce large samples of simulated signals, perform detailed studies of the sensor characteristics and make precise comparisons with experimental results. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2106.08191v1-abstract-full').style.display = 'none'; document.getElementById('2106.08191v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 June, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">23 pages, 18 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/2105.04031">arXiv:2105.04031</a> <span> [<a href="https://arxiv.org/pdf/2105.04031">pdf</a>, <a href="https://arxiv.org/format/2105.04031">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/s41781-021-00070-2">10.1007/s41781-021-00070-2 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Comparison of CPU and GPU implementations for the LHCb Experiment Run 3 Trigger </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/physics?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/physics?searchtype=author&query=Aiola%2C+S">S. Aiola</a>, <a href="/search/physics?searchtype=author&query=Akar%2C+S">S. Akar</a>, <a href="/search/physics?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/physics?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/physics?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/physics?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/physics?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/physics?searchtype=author&query=Bala%2C+M">M. Bala</a>, <a href="/search/physics?searchtype=author&query=Bassi%2C+G">G. Bassi</a>, <a href="/search/physics?searchtype=author&query=Bian%2C+L">L. Bian</a>, <a href="/search/physics?searchtype=author&query=Blago%2C+M+P">M. P. Blago</a>, <a href="/search/physics?searchtype=author&query=Boettcher%2C+T">T. Boettcher</a>, <a href="/search/physics?searchtype=author&query=Boldyrev%2C+A">A. Boldyrev</a>, <a href="/search/physics?searchtype=author&query=Borghi%2C+S">S. Borghi</a>, <a href="/search/physics?searchtype=author&query=Rodriguez%2C+A+B">A. Brea Rodriguez</a>, <a href="/search/physics?searchtype=author&query=Calefice%2C+L">L. Calefice</a>, <a href="/search/physics?searchtype=author&query=Gomez%2C+M+C">M. Calvo Gomez</a>, <a href="/search/physics?searchtype=author&query=P%C3%A9rez%2C+D+H+C">D. H. C谩mpora P茅rez</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Cattaneo%2C+M">M. Cattaneo</a>, <a href="/search/physics?searchtype=author&query=Chobanova%2C+V">V. Chobanova</a>, <a href="/search/physics?searchtype=author&query=Ciezarek%2C+G">G. Ciezarek</a>, <a href="/search/physics?searchtype=author&query=Vidal%2C+X+C">X. Cid Vidal</a> , et al. (135 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2105.04031v2-abstract-short" style="display: inline;"> The LHCb experiment at CERN is undergoing an upgrade in preparation for the Run 3 data taking period of the LHC. As part of this upgrade the trigger is moving to a fully software implementation operating at the LHC bunch crossing rate. We present an evaluation of a CPU-based and a GPU-based implementation of the first stage of the High Level Trigger. After a detailed comparison both options are fo… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.04031v2-abstract-full').style.display = 'inline'; document.getElementById('2105.04031v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2105.04031v2-abstract-full" style="display: none;"> The LHCb experiment at CERN is undergoing an upgrade in preparation for the Run 3 data taking period of the LHC. As part of this upgrade the trigger is moving to a fully software implementation operating at the LHC bunch crossing rate. We present an evaluation of a CPU-based and a GPU-based implementation of the first stage of the High Level Trigger. After a detailed comparison both options are found to be viable. This document summarizes the performance and implementation details of these options, the outcome of which has led to the choice of the GPU-based implementation as the baseline. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2105.04031v2-abstract-full').style.display = 'none'; document.getElementById('2105.04031v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">30 pages, 15 figures, 8 tables</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-DP-2021-003 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Computing Software for Big Science 6, Article number: 1 (2022) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2008.01579">arXiv:2008.01579</a> <span> [<a href="https://arxiv.org/pdf/2008.01579">pdf</a>, <a href="https://arxiv.org/format/2008.01579">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div 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/T12005">10.1088/1748-0221/15/12/T12005 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Muon identification for LHCb Run 3 </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Anderlini%2C+L">Lucio Anderlini</a>, <a href="/search/physics?searchtype=author&query=Archilli%2C+F">Flavio Archilli</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">Alessandro Cardini</a>, <a href="/search/physics?searchtype=author&query=Cogoni%2C+V">Violetta Cogoni</a>, <a href="/search/physics?searchtype=author&query=Fontana%2C+M">Marianna Fontana</a>, <a href="/search/physics?searchtype=author&query=Graziani%2C+G">Giacomo Graziani</a>, <a href="/search/physics?searchtype=author&query=Kazeev%2C+N">Nikita Kazeev</a>, <a href="/search/physics?searchtype=author&query=Kuindersma%2C+H">Hilbrand Kuindersma</a>, <a href="/search/physics?searchtype=author&query=Oldeman%2C+R">Rolf Oldeman</a>, <a href="/search/physics?searchtype=author&query=Palutan%2C+M">Matteo Palutan</a>, <a href="/search/physics?searchtype=author&query=Santimaria%2C+M">Marco Santimaria</a>, <a href="/search/physics?searchtype=author&query=Sciascia%2C+B">Barbara Sciascia</a>, <a href="/search/physics?searchtype=author&query=De+Simone%2C+P">Patrizia De Simone</a>, <a href="/search/physics?searchtype=author&query=Gomez%2C+R+V">Ricardo Vazquez Gomez</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="2008.01579v2-abstract-short" style="display: inline;"> Muon identification is of paramount importance for the physics programme of LHCb. In the upgrade phase, starting from Run 3 of the LHC, the trigger of the experiment will be solely based on software. The luminosity increase to $2\times10^{33}$ cm$^{-2}$s$^{-1}$ will require an improvement of the muon identification criteria, aiming at performances equal or better than those of Run 2, but in a much… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.01579v2-abstract-full').style.display = 'inline'; document.getElementById('2008.01579v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2008.01579v2-abstract-full" style="display: none;"> Muon identification is of paramount importance for the physics programme of LHCb. In the upgrade phase, starting from Run 3 of the LHC, the trigger of the experiment will be solely based on software. The luminosity increase to $2\times10^{33}$ cm$^{-2}$s$^{-1}$ will require an improvement of the muon identification criteria, aiming at performances equal or better than those of Run 2, but in a much more challenging environment. In this paper, two new muon identification algorithms developed in view of the LHCb upgrade are presented, and their performance in terms of signal efficiency versus background reduction is shown. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.01579v2-abstract-full').style.display = 'none'; document.getElementById('2008.01579v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 December, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 4 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-DP-2020-002 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 15 (2020) T12005 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2004.10881">arXiv:2004.10881</a> <span> [<a href="https://arxiv.org/pdf/2004.10881">pdf</a>, <a href="https://arxiv.org/format/2004.10881">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/15/09/P09029">10.1088/1748-0221/15/09/P09029 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Intrinsic time resolution of 3D-trench silicon pixels for charged particle detection </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Anderlini%2C+L">Lucio Anderlini</a>, <a href="/search/physics?searchtype=author&query=Aresti%2C+M">Mauro Aresti</a>, <a href="/search/physics?searchtype=author&query=Bizzeti%2C+A">Andrea Bizzeti</a>, <a href="/search/physics?searchtype=author&query=Boscardin%2C+M">Maurizio Boscardin</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">Alessandro Cardini</a>, <a href="/search/physics?searchtype=author&query=Betta%2C+G+D">Gian-Franco Dalla Betta</a>, <a href="/search/physics?searchtype=author&query=Ferrero%2C+M">Marco Ferrero</a>, <a href="/search/physics?searchtype=author&query=Forcolin%2C+G">Giulio Forcolin</a>, <a href="/search/physics?searchtype=author&query=Garau%2C+M">Michela Garau</a>, <a href="/search/physics?searchtype=author&query=Lai%2C+A">Adriano Lai</a>, <a href="/search/physics?searchtype=author&query=Lampis%2C+A">Andrea Lampis</a>, <a href="/search/physics?searchtype=author&query=Loi%2C+A">Angelo Loi</a>, <a href="/search/physics?searchtype=author&query=Lucarelli%2C+C">Chiara Lucarelli</a>, <a href="/search/physics?searchtype=author&query=Mendicino%2C+R">Roberto Mendicino</a>, <a href="/search/physics?searchtype=author&query=Mulargia%2C+R">Roberto Mulargia</a>, <a href="/search/physics?searchtype=author&query=Obertino%2C+M">Margherita Obertino</a>, <a href="/search/physics?searchtype=author&query=Robutti%2C+E">Enrico Robutti</a>, <a href="/search/physics?searchtype=author&query=Ronchin%2C+S">Sabina Ronchin</a>, <a href="/search/physics?searchtype=author&query=Ruspa%2C+M">Marta Ruspa</a>, <a href="/search/physics?searchtype=author&query=Vecchi%2C+S">Stefania Vecchi</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="2004.10881v2-abstract-short" style="display: inline;"> In the last years, high-resolution time tagging has emerged as the tool to tackle the problem of high-track density in the detectors of the next generation of experiments at particle colliders. Time resolutions below 50ps and event average repetition rates of tens of MHz on sensor pixels having a pitch of 50$渭$m are typical minimum requirements. This poses an important scientific and technological… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.10881v2-abstract-full').style.display = 'inline'; document.getElementById('2004.10881v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2004.10881v2-abstract-full" style="display: none;"> In the last years, high-resolution time tagging has emerged as the tool to tackle the problem of high-track density in the detectors of the next generation of experiments at particle colliders. Time resolutions below 50ps and event average repetition rates of tens of MHz on sensor pixels having a pitch of 50$渭$m are typical minimum requirements. This poses an important scientific and technological challenge on the development of particle sensors and processing electronics. The TIMESPOT initiative (which stands for TIME and SPace real-time Operating Tracker) aims at the development of a full prototype detection system suitable for the particle trackers of the next-to-come particle physics experiments. This paper describes the results obtained on the first batch of TIMESPOT silicon sensors, based on a novel 3D MEMS (micro electro-mechanical systems) design. Following this approach, the performance of other ongoing silicon sensor developments has been matched and overcome, while using a technology which is known to be robust against radiation degradation. A time resolution of the order of 20ps has been measured at room temperature suggesting also possible improvements after further optimisations of the front-end electronics processing stage. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2004.10881v2-abstract-full').style.display = 'none'; document.getElementById('2004.10881v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 29 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 April, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 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">This version was accepted to be published on JINST on 21/07/2020</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1908.02178">arXiv:1908.02178</a> <span> [<a href="https://arxiv.org/pdf/1908.02178">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </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/10.1088/1748-0221/14/11/P11031">10.1088/1748-0221/14/11/P11031 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Long-term Operation of the Multi-Wire-Proportional-Chambers of the LHCb Muon System </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Albicocco%2C+F+P">F. P. Albicocco</a>, <a href="/search/physics?searchtype=author&query=Anderlini%2C+L">L. Anderlini</a>, <a href="/search/physics?searchtype=author&query=Anelli%2C+M">M. Anelli</a>, <a href="/search/physics?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/physics?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/physics?searchtype=author&query=Baldini%2C+W">W. Baldini</a>, <a href="/search/physics?searchtype=author&query=Bencivenni%2C+G">G. Bencivenni</a>, <a href="/search/physics?searchtype=author&query=Bondar%2C+N">N. Bondar</a>, <a href="/search/physics?searchtype=author&query=Bochin%2C+B">B. Bochin</a>, <a href="/search/physics?searchtype=author&query=Brundu%2C+D">D. Brundu</a>, <a href="/search/physics?searchtype=author&query=Cadeddu%2C+S">S. Cadeddu</a>, <a href="/search/physics?searchtype=author&query=Campana%2C+P">P. Campana</a>, <a href="/search/physics?searchtype=author&query=Carboni%2C+G">G. Carboni</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Carletti%2C+M">M. Carletti</a>, <a href="/search/physics?searchtype=author&query=Casu%2C+L">L. Casu</a>, <a href="/search/physics?searchtype=author&query=Chubykin%2C+A">A. Chubykin</a>, <a href="/search/physics?searchtype=author&query=Ciambrone%2C+P">P. Ciambrone</a>, <a href="/search/physics?searchtype=author&query=Dan%C3%A9%2C+E">E. Dan茅</a>, <a href="/search/physics?searchtype=author&query=De+Simone%2C+P">P. De Simone</a>, <a href="/search/physics?searchtype=author&query=Fontana%2C+M">M. Fontana</a>, <a href="/search/physics?searchtype=author&query=Fresch%2C+P">P. Fresch</a>, <a href="/search/physics?searchtype=author&query=Gatta%2C+M">M. Gatta</a>, <a href="/search/physics?searchtype=author&query=Gavrilov%2C+G">G. Gavrilov</a>, <a href="/search/physics?searchtype=author&query=Gets%2C+S">S. Gets</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="1908.02178v2-abstract-short" style="display: inline;"> The muon detector of LHCb, which comprises 1368 multi-wire-proportional-chambers (MWPC) for a total area of 435 m2, is the largest instrument of its kind exposed to such a high-radiation environment. In nine years of operation, from 2010 until 2018, we did not observe appreciable signs of ageing of the detector in terms of reduced performance. However, during such a long period, many chamber gas g… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1908.02178v2-abstract-full').style.display = 'inline'; document.getElementById('1908.02178v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1908.02178v2-abstract-full" style="display: none;"> The muon detector of LHCb, which comprises 1368 multi-wire-proportional-chambers (MWPC) for a total area of 435 m2, is the largest instrument of its kind exposed to such a high-radiation environment. In nine years of operation, from 2010 until 2018, we did not observe appreciable signs of ageing of the detector in terms of reduced performance. However, during such a long period, many chamber gas gaps suffered from HV trips. Most of the trips were due to Malter-like effects, characterised by the appearance of local self-sustained high currents, presumably originating from impurities induced during chamber production. Very effective, though long, recovery procedures were implemented with a HV training of the gaps in situ while taking data. The training allowed most of the affected chambers to be returned to their full functionality and the muon detector efficiency to be kept close to 100%. The possibility of making the recovery faster and even more effective by adding a small percentage of oxygen in the gas mixture has been studied and successfully tested. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1908.02178v2-abstract-full').style.display = 'none'; document.getElementById('1908.02178v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 20 May, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 August, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 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">15 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-DP-2020-003 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 14 (2019) P11031 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1703.09120">arXiv:1703.09120</a> <span> [<a href="https://arxiv.org/pdf/1703.09120">pdf</a>, <a href="https://arxiv.org/format/1703.09120">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nima.2017.05.025">10.1016/j.nima.2017.05.025 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Hadron detection with a dual-readout fiber calorimeter </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Lee%2C+S">S. Lee</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Cascella%2C+M">M. Cascella</a>, <a href="/search/physics?searchtype=author&query=Choi%2C+S">S. Choi</a>, <a href="/search/physics?searchtype=author&query=Ciapetti%2C+G">G. Ciapetti</a>, <a href="/search/physics?searchtype=author&query=Ferrari%2C+R">R. Ferrari</a>, <a href="/search/physics?searchtype=author&query=Franchino%2C+S">S. Franchino</a>, <a href="/search/physics?searchtype=author&query=Fraternali%2C+M">M. Fraternali</a>, <a href="/search/physics?searchtype=author&query=Gaudio%2C+G">G. Gaudio</a>, <a href="/search/physics?searchtype=author&query=Ha%2C+S">S. Ha</a>, <a href="/search/physics?searchtype=author&query=Hauptman%2C+J">J. Hauptman</a>, <a href="/search/physics?searchtype=author&query=Kim%2C+H">H. Kim</a>, <a href="/search/physics?searchtype=author&query=Lanza%2C+A">A. Lanza</a>, <a href="/search/physics?searchtype=author&query=Li%2C+F">F. Li</a>, <a href="/search/physics?searchtype=author&query=Livan%2C+M">M. Livan</a>, <a href="/search/physics?searchtype=author&query=Meoni%2C+E">E. Meoni</a>, <a href="/search/physics?searchtype=author&query=Park%2C+J">J. Park</a>, <a href="/search/physics?searchtype=author&query=Scuri%2C+F">F. Scuri</a>, <a href="/search/physics?searchtype=author&query=Sill%2C+A">A. Sill</a>, <a href="/search/physics?searchtype=author&query=Wigmans%2C+R">R. Wigmans</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="1703.09120v1-abstract-short" style="display: inline;"> In this paper, we describe measurements of the response functions of a fiber-based dual- readout calorimeter for pions, protons and multiparticle "jets" with energies in the range from 10 to 180 GeV. The calorimeter uses lead as absorber material and has a total mass of 1350 kg. It is complemented by leakage counters made of scintillating plastic, with a total mass of 500 kg. The effects of these… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.09120v1-abstract-full').style.display = 'inline'; document.getElementById('1703.09120v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1703.09120v1-abstract-full" style="display: none;"> In this paper, we describe measurements of the response functions of a fiber-based dual- readout calorimeter for pions, protons and multiparticle "jets" with energies in the range from 10 to 180 GeV. The calorimeter uses lead as absorber material and has a total mass of 1350 kg. It is complemented by leakage counters made of scintillating plastic, with a total mass of 500 kg. The effects of these leakage counters on the calorimeter performance are studied as well. In a separate section, we investigate and compare different methods to measure the energy resolution of a calorimeter. Using only the signals provided by the calorimeter, we demonstrate that our dual-readout calorimeter, calibrated with electrons, is able to reconstruct the energy of proton and pion beam particles to within a few percent at all energies. The fractional widths of the signal distributions for these particles (sigma/E) scale with the beam energy as 30%/sqrt(E), without any additional contributing terms. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1703.09120v1-abstract-full').style.display = 'none'; document.getElementById('1703.09120v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 March, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2017. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1608.02542">arXiv:1608.02542</a> <span> [<a href="https://arxiv.org/pdf/1608.02542">pdf</a>, <a href="https://arxiv.org/ps/1608.02542">ps</a>, <a href="https://arxiv.org/format/1608.02542">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="General Relativity and Quantum Cosmology">gr-qc</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Geophysics">physics.geo-ph</span> </div> </div> <p class="title is-5 mathjax"> Analogues of glacial valley profiles in particle mechanics and in cosmology </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Faraoni%2C+V">Valerio Faraoni</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A+M">Adriana M. Cardini</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="1608.02542v2-abstract-short" style="display: inline;"> An ordinary differential equation describing the transverse profiles of U-shaped glacial valleys, derived with a variational principle, has two formal analogies which we analyze. First, an analogy with point particle mechanics completes the description of the solutions. Second, an analogy with the Friedmann equation of relativistic cosmology shows that the analogue of a glacial valley profile is a… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1608.02542v2-abstract-full').style.display = 'inline'; document.getElementById('1608.02542v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1608.02542v2-abstract-full" style="display: none;"> An ordinary differential equation describing the transverse profiles of U-shaped glacial valleys, derived with a variational principle, has two formal analogies which we analyze. First, an analogy with point particle mechanics completes the description of the solutions. Second, an analogy with the Friedmann equation of relativistic cosmology shows that the analogue of a glacial valley profile is a universe with a future singularity but respecting the weak energy condition. The equation unveils also a Big Freeze singularity, which was not observed before for positive curvature index. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1608.02542v2-abstract-full').style.display = 'none'; document.getElementById('1608.02542v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 August, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 August, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">References added, one typographical error corrected</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1602.08699">arXiv:1602.08699</a> <span> [<a href="https://arxiv.org/pdf/1602.08699">pdf</a>, <a href="https://arxiv.org/format/1602.08699">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/11/04/P04010">10.1088/1748-0221/11/04/P04010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the front-end dead-time of the LHCb muon detector and evaluation of its contribution to the muon detection inefficiency </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Anderlini%2C+L">L. Anderlini</a>, <a href="/search/physics?searchtype=author&query=Anelli%2C+M">M. Anelli</a>, <a href="/search/physics?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/physics?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/physics?searchtype=author&query=Baldini%2C+W">W. Baldini</a>, <a href="/search/physics?searchtype=author&query=Bencivenni%2C+G">G. Bencivenni</a>, <a href="/search/physics?searchtype=author&query=Bizzeti%2C+A">A. Bizzeti</a>, <a href="/search/physics?searchtype=author&query=Bocci%2C+V">V. Bocci</a>, <a href="/search/physics?searchtype=author&query=Bondar%2C+N">N. Bondar</a>, <a href="/search/physics?searchtype=author&query=Bonivento%2C+W">W. Bonivento</a>, <a href="/search/physics?searchtype=author&query=Bochin%2C+B">B. Bochin</a>, <a href="/search/physics?searchtype=author&query=Bozzi%2C+C">C. Bozzi</a>, <a href="/search/physics?searchtype=author&query=Brundu%2C+D">D. Brundu</a>, <a href="/search/physics?searchtype=author&query=Cadeddu%2C+S">S. Cadeddu</a>, <a href="/search/physics?searchtype=author&query=Campana%2C+P">P. Campana</a>, <a href="/search/physics?searchtype=author&query=Carboni%2C+G">G. Carboni</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Carletti%2C+M">M. Carletti</a>, <a href="/search/physics?searchtype=author&query=Casu%2C+L">L. Casu</a>, <a href="/search/physics?searchtype=author&query=Chubykin%2C+A">A. Chubykin</a>, <a href="/search/physics?searchtype=author&query=Ciambrone%2C+P">P. Ciambrone</a>, <a href="/search/physics?searchtype=author&query=Dan%C3%A9%2C+E">E. Dan茅</a>, <a href="/search/physics?searchtype=author&query=De+Simone%2C+P">P. De Simone</a>, <a href="/search/physics?searchtype=author&query=Falabella%2C+A">A. Falabella</a>, <a href="/search/physics?searchtype=author&query=Felici%2C+G">G. Felici</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="1602.08699v2-abstract-short" style="display: inline;"> A method is described which allows to deduce the dead-time of the front-end electronics of the LHCb muon detector from a series of measurements performed at different luminosities at a bunch-crossing rate of 20 MHz. The measured values of the dead-time range from 70 ns to 100 ns. These results allow to estimate the performance of the muon detector at the future bunch-crossing rate of 40 MHz and at… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.08699v2-abstract-full').style.display = 'inline'; document.getElementById('1602.08699v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1602.08699v2-abstract-full" style="display: none;"> A method is described which allows to deduce the dead-time of the front-end electronics of the LHCb muon detector from a series of measurements performed at different luminosities at a bunch-crossing rate of 20 MHz. The measured values of the dead-time range from 70 ns to 100 ns. These results allow to estimate the performance of the muon detector at the future bunch-crossing rate of 40 MHz and at higher luminosity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1602.08699v2-abstract-full').style.display = 'none'; document.getElementById('1602.08699v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 March, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 February, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST_005P_0216 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1307.5538">arXiv:1307.5538</a> <span> [<a href="https://arxiv.org/pdf/1307.5538">pdf</a>, <a href="https://arxiv.org/format/1307.5538">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> Dual-readout Calorimetry </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Akchurin%2C+N">N. Akchurin</a>, <a href="/search/physics?searchtype=author&query=Bedeschi%2C+F">F. Bedeschi</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Cascella%2C+M">M. Cascella</a>, <a href="/search/physics?searchtype=author&query=Cei%2C+F">F. Cei</a>, <a href="/search/physics?searchtype=author&query=De+Pedis%2C+D">D. De Pedis</a>, <a href="/search/physics?searchtype=author&query=Fracchia%2C+S">S. Fracchia</a>, <a href="/search/physics?searchtype=author&query=Franchino%2C+S">S. Franchino</a>, <a href="/search/physics?searchtype=author&query=Fraternali%2C+M">M. Fraternali</a>, <a href="/search/physics?searchtype=author&query=Gaudio%2C+G">G. Gaudio</a>, <a href="/search/physics?searchtype=author&query=Genova%2C+P">P. Genova</a>, <a href="/search/physics?searchtype=author&query=Hauptman%2C+J">J. Hauptman</a>, <a href="/search/physics?searchtype=author&query=La+Rotonda%2C+L">L. La Rotonda</a>, <a href="/search/physics?searchtype=author&query=Lee%2C+S">S. Lee</a>, <a href="/search/physics?searchtype=author&query=Livan%2C+M">M. Livan</a>, <a href="/search/physics?searchtype=author&query=Meoni%2C+E">E. Meoni</a>, <a href="/search/physics?searchtype=author&query=Moggi%2C+A">A. Moggi</a>, <a href="/search/physics?searchtype=author&query=Pinci%2C+D">D. Pinci</a>, <a href="/search/physics?searchtype=author&query=Policicchio%2C+A">A. Policicchio</a>, <a href="/search/physics?searchtype=author&query=Saraiva%2C+J+G">J. G. Saraiva</a>, <a href="/search/physics?searchtype=author&query=Sill%2C+A">A. Sill</a>, <a href="/search/physics?searchtype=author&query=Venturelli%2C+T">T. Venturelli</a>, <a href="/search/physics?searchtype=author&query=Wigmans%2C+R">R. Wigmans</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="1307.5538v3-abstract-short" style="display: inline;"> The RD52 Project at CERN is a pure instrumentation experiment whose goal is to understand the fundamental limitations to hadronic energy resolution, and other aspects of energy measurement, in high energy calorimeters. We have found that dual-readout calorimetry provides heretofore unprecedented information event-by-event for energy resolution, linearity of response, ease and robustness of calibra… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1307.5538v3-abstract-full').style.display = 'inline'; document.getElementById('1307.5538v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1307.5538v3-abstract-full" style="display: none;"> The RD52 Project at CERN is a pure instrumentation experiment whose goal is to understand the fundamental limitations to hadronic energy resolution, and other aspects of energy measurement, in high energy calorimeters. We have found that dual-readout calorimetry provides heretofore unprecedented information event-by-event for energy resolution, linearity of response, ease and robustness of calibration, fidelity of data, and particle identification, including energy lost to binding energy in nuclear break-up. We believe that hadronic energy resolutions of 蟽/E $\approx$ 1 - 2% are within reach for dual-readout calorimeters, enabling for the first time comparable measurement preci- sions on electrons, photons, muons, and quarks (jets). We briefly describe our current progress and near-term future plans. Complete information on all aspects of our work is available at the RD52 website http://highenergy.phys.ttu.edu/dream/. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1307.5538v3-abstract-full').style.display = 'none'; document.getElementById('1307.5538v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 July, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 July, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 10 figures, Snowmass White paper</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1306.5655">arXiv:1306.5655</a> <span> [<a href="https://arxiv.org/pdf/1306.5655">pdf</a>, <a href="https://arxiv.org/format/1306.5655">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> SuperB Technical Design Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=SuperB+Collaboration"> SuperB Collaboration</a>, <a href="/search/physics?searchtype=author&query=Baszczyk%2C+M">M. Baszczyk</a>, <a href="/search/physics?searchtype=author&query=Dorosz%2C+P">P. Dorosz</a>, <a href="/search/physics?searchtype=author&query=Kolodziej%2C+J">J. Kolodziej</a>, <a href="/search/physics?searchtype=author&query=Kucewicz%2C+W">W. Kucewicz</a>, <a href="/search/physics?searchtype=author&query=Sapor%2C+M">M. Sapor</a>, <a href="/search/physics?searchtype=author&query=Jeremie%2C+A">A. Jeremie</a>, <a href="/search/physics?searchtype=author&query=Pous%2C+E+G">E. Grauges Pous</a>, <a href="/search/physics?searchtype=author&query=Bruno%2C+G+E">G. E. Bruno</a>, <a href="/search/physics?searchtype=author&query=De+Robertis%2C+G">G. De Robertis</a>, <a href="/search/physics?searchtype=author&query=Diacono%2C+D">D. Diacono</a>, <a href="/search/physics?searchtype=author&query=Donvito%2C+G">G. Donvito</a>, <a href="/search/physics?searchtype=author&query=Fusco%2C+P">P. Fusco</a>, <a href="/search/physics?searchtype=author&query=Gargano%2C+F">F. Gargano</a>, <a href="/search/physics?searchtype=author&query=Giordano%2C+F">F. Giordano</a>, <a href="/search/physics?searchtype=author&query=Loddo%2C+F">F. Loddo</a>, <a href="/search/physics?searchtype=author&query=Loparco%2C+F">F. Loparco</a>, <a href="/search/physics?searchtype=author&query=Maggi%2C+G+P">G. P. Maggi</a>, <a href="/search/physics?searchtype=author&query=Manzari%2C+V">V. Manzari</a>, <a href="/search/physics?searchtype=author&query=Mazziotta%2C+M+N">M. N. Mazziotta</a>, <a href="/search/physics?searchtype=author&query=Nappi%2C+E">E. Nappi</a>, <a href="/search/physics?searchtype=author&query=Palano%2C+A">A. Palano</a>, <a href="/search/physics?searchtype=author&query=Santeramo%2C+B">B. Santeramo</a>, <a href="/search/physics?searchtype=author&query=Sgura%2C+I">I. Sgura</a>, <a href="/search/physics?searchtype=author&query=Silvestris%2C+L">L. Silvestris</a> , et al. (384 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="1306.5655v1-abstract-short" style="display: inline;"> In this Technical Design Report (TDR) we describe the SuperB detector that was to be installed on the SuperB e+e- high luminosity collider. The SuperB asymmetric collider, which was to be constructed on the Tor Vergata campus near the INFN Frascati National Laboratory, was designed to operate both at the Upsilon(4S) center-of-mass energy with a luminosity of 10^{36} cm^{-2}s^{-1} and at the tau/ch… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.5655v1-abstract-full').style.display = 'inline'; document.getElementById('1306.5655v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1306.5655v1-abstract-full" style="display: none;"> In this Technical Design Report (TDR) we describe the SuperB detector that was to be installed on the SuperB e+e- high luminosity collider. The SuperB asymmetric collider, which was to be constructed on the Tor Vergata campus near the INFN Frascati National Laboratory, was designed to operate both at the Upsilon(4S) center-of-mass energy with a luminosity of 10^{36} cm^{-2}s^{-1} and at the tau/charm production threshold with a luminosity of 10^{35} cm^{-2}s^{-1}. This high luminosity, producing a data sample about a factor 100 larger than present B Factories, would allow investigation of new physics effects in rare decays, CP Violation and Lepton Flavour Violation. This document details the detector design presented in the Conceptual Design Report (CDR) in 2007. The R&D and engineering studies performed to arrive at the full detector design are described, and an updated cost estimate is presented. A combination of a more realistic cost estimates and the unavailability of funds due of the global economic climate led to a formal cancelation of the project on Nov 27, 2012. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.5655v1-abstract-full').style.display = 'none'; document.getElementById('1306.5655v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 June, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">495 pages</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> INFN-13-01/PI, LAL 13-01, SLAC-R-1003 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1306.0249">arXiv:1306.0249</a> <span> [<a href="https://arxiv.org/pdf/1306.0249">pdf</a>, <a href="https://arxiv.org/format/1306.0249">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/8/10/P10020">10.1088/1748-0221/8/10/P10020 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance of the Muon Identification at LHCb </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/physics?searchtype=author&query=Baldini%2C+W">W. Baldini</a>, <a href="/search/physics?searchtype=author&query=Bencivenni%2C+G">G. Bencivenni</a>, <a href="/search/physics?searchtype=author&query=Bondar%2C+N">N. Bondar</a>, <a href="/search/physics?searchtype=author&query=Bonivento%2C+W">W. Bonivento</a>, <a href="/search/physics?searchtype=author&query=Cadeddu%2C+S">S. Cadeddu</a>, <a href="/search/physics?searchtype=author&query=Campana%2C+P">P. Campana</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Ciambrone%2C+P">P. Ciambrone</a>, <a href="/search/physics?searchtype=author&query=Vidal%2C+X+C">X. Cid Vidal</a>, <a href="/search/physics?searchtype=author&query=Deplano%2C+C">C. Deplano</a>, <a href="/search/physics?searchtype=author&query=De+Simone%2C+P">P. De Simone</a>, <a href="/search/physics?searchtype=author&query=Falabella%2C+A">A. Falabella</a>, <a href="/search/physics?searchtype=author&query=Frosini%2C+M">M. Frosini</a>, <a href="/search/physics?searchtype=author&query=Furcas%2C+S">S. Furcas</a>, <a href="/search/physics?searchtype=author&query=Furfaro%2C+E">E. Furfaro</a>, <a href="/search/physics?searchtype=author&query=Gandelman%2C+M">M. Gandelman</a>, <a href="/search/physics?searchtype=author&query=Morata%2C+J+A+H">J. A. Hernando Morata</a>, <a href="/search/physics?searchtype=author&query=Graziani%2C+G">G. Graziani</a>, <a href="/search/physics?searchtype=author&query=Lai%2C+A">A. Lai</a>, <a href="/search/physics?searchtype=author&query=Lanfranchi%2C+G">G. Lanfranchi</a>, <a href="/search/physics?searchtype=author&query=Lopes%2C+J+H">J. H. Lopes</a>, <a href="/search/physics?searchtype=author&query=Maev%2C+O">O. Maev</a>, <a href="/search/physics?searchtype=author&query=Manca%2C+G">G. Manca</a>, <a href="/search/physics?searchtype=author&query=Martellotti%2C+G">G. Martellotti</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="1306.0249v2-abstract-short" style="display: inline;"> The performance of the muon identification in LHCb is extracted from data using muons and hadrons produced in J/蠄->渭渭, 螞->p蟺and D^{\star}->蟺D0(K蟺) decays. The muon identification procedure is based on the pattern of hits in the muon chambers. A momentum dependent binary requirement is used to reduce the probability of hadrons to be misidentified as muons to the level of 1%, keeping the muon effici… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.0249v2-abstract-full').style.display = 'inline'; document.getElementById('1306.0249v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1306.0249v2-abstract-full" style="display: none;"> The performance of the muon identification in LHCb is extracted from data using muons and hadrons produced in J/蠄->渭渭, 螞->p蟺and D^{\star}->蟺D0(K蟺) decays. The muon identification procedure is based on the pattern of hits in the muon chambers. A momentum dependent binary requirement is used to reduce the probability of hadrons to be misidentified as muons to the level of 1%, keeping the muon efficiency in the range of 95-98%. As further refinement, a likelihood is built for the muon and non-muon hypotheses. Adding a requirement on this likelihood that provides a total muon efficiency at the level of 93%, the hadron misidentification rates are below 0.6%. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1306.0249v2-abstract-full').style.display = 'none'; document.getElementById('1306.0249v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 August, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 June, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">17 pages, 10 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-LHCb-DP-2013-001, LHCb-DP-2013-001 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 8 (2013) P10020 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1211.1346">arXiv:1211.1346</a> <span> [<a href="https://arxiv.org/pdf/1211.1346">pdf</a>, <a href="https://arxiv.org/format/1211.1346">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/8/02/P02022">10.1088/1748-0221/8/02/P02022 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance of the LHCb muon system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/physics?searchtype=author&query=Anderlini%2C+L">L. Anderlini</a>, <a href="/search/physics?searchtype=author&query=Anelli%2C+M">M. Anelli</a>, <a href="/search/physics?searchtype=author&query=Nobrega%2C+R+A">R. Antunes Nobrega</a>, <a href="/search/physics?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/physics?searchtype=author&query=Baldini%2C+W">W. Baldini</a>, <a href="/search/physics?searchtype=author&query=Bencivenni%2C+G">G. Bencivenni</a>, <a href="/search/physics?searchtype=author&query=Berutti%2C+R">R. Berutti</a>, <a href="/search/physics?searchtype=author&query=Bizzeti%2C+A">A. Bizzeti</a>, <a href="/search/physics?searchtype=author&query=Bocci%2C+V">V. Bocci</a>, <a href="/search/physics?searchtype=author&query=Bondar%2C+N">N. Bondar</a>, <a href="/search/physics?searchtype=author&query=Bonivento%2C+W">W. Bonivento</a>, <a href="/search/physics?searchtype=author&query=Botchin%2C+B">B. Botchin</a>, <a href="/search/physics?searchtype=author&query=Cadeddu%2C+S">S. Cadeddu</a>, <a href="/search/physics?searchtype=author&query=Campana%2C+P">P. Campana</a>, <a href="/search/physics?searchtype=author&query=Carboni%2C+G">G. Carboni</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Carletti%2C+M">M. Carletti</a>, <a href="/search/physics?searchtype=author&query=Ciambrone%2C+P">P. Ciambrone</a>, <a href="/search/physics?searchtype=author&query=De+Capua%2C+E+D+S">E. Dan茅 S. De Capua</a>, <a href="/search/physics?searchtype=author&query=De+Leo%2C+V">V. De Leo</a>, <a href="/search/physics?searchtype=author&query=Deplano%2C+C">C. Deplano</a>, <a href="/search/physics?searchtype=author&query=De+Simone%2C+P">P. De Simone</a>, <a href="/search/physics?searchtype=author&query=Dettori%2C+F">F. Dettori</a>, <a href="/search/physics?searchtype=author&query=Falabella%2C+A">A. Falabella</a> , et al. (48 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="1211.1346v2-abstract-short" style="display: inline;"> The performance of the LHCb Muon system and its stability across the full 2010 data taking with LHC running at ps = 7 TeV energy is studied. The optimization of the detector setting and the time calibration performed with the first collisions delivered by LHC is described. Particle rates, measured for the wide range of luminosities and beam operation conditions experienced during the run, are comp… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.1346v2-abstract-full').style.display = 'inline'; document.getElementById('1211.1346v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1211.1346v2-abstract-full" style="display: none;"> The performance of the LHCb Muon system and its stability across the full 2010 data taking with LHC running at ps = 7 TeV energy is studied. The optimization of the detector setting and the time calibration performed with the first collisions delivered by LHC is described. Particle rates, measured for the wide range of luminosities and beam operation conditions experienced during the run, are compared with the values expected from simulation. The space and time alignment of the detectors, chamber efficiency, time resolution and cluster size are evaluated. The detector performance is found to be as expected from specifications or better. Notably the overall efficiency is well above the design requirements <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1211.1346v2-abstract-full').style.display = 'none'; document.getElementById('1211.1346v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 February, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 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">JINST_015P_1112 2013</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-DP-2012-002 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1110.2866">arXiv:1110.2866</a> <span> [<a href="https://arxiv.org/pdf/1110.2866">pdf</a>, <a href="https://arxiv.org/format/1110.2866">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> <div 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/10.1088/1748-0221/7/01/P01010">10.1088/1748-0221/7/01/P01010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Absolute luminosity measurements with the LHCb detector at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=The+LHCb+Collaboration"> The LHCb Collaboration</a>, <a href="/search/physics?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/physics?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/physics?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/physics?searchtype=author&query=Adrover%2C+C">C. Adrover</a>, <a href="/search/physics?searchtype=author&query=Affolder%2C+A">A. Affolder</a>, <a href="/search/physics?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/physics?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/physics?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/physics?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/physics?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/physics?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/physics?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/physics?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/physics?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/physics?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/physics?searchtype=author&query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/physics?searchtype=author&query=Gutierrez%2C+O+A">O. Aquines Gutierrez</a>, <a href="/search/physics?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/physics?searchtype=author&query=Arrabito%2C+L">L. Arrabito</a>, <a href="/search/physics?searchtype=author&query=Artamonov%2C+A">A. Artamonov</a>, <a href="/search/physics?searchtype=author&query=Artuso%2C+M">M. Artuso</a>, <a href="/search/physics?searchtype=author&query=Aslanides%2C+E">E. Aslanides</a>, <a href="/search/physics?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/physics?searchtype=author&query=Bachmann%2C+S">S. Bachmann</a> , et al. (549 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="1110.2866v2-abstract-short" style="display: inline;"> Absolute luminosity measurements are of general interest for colliding-beam experiments at storage rings. These measurements are necessary to determine the absolute cross-sections of reaction processes and are valuable to quantify the performance of the accelerator. Using data taken in 2010, LHCb has applied two methods to determine the absolute scale of its luminosity measurements for proton-prot… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.2866v2-abstract-full').style.display = 'inline'; document.getElementById('1110.2866v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1110.2866v2-abstract-full" style="display: none;"> Absolute luminosity measurements are of general interest for colliding-beam experiments at storage rings. These measurements are necessary to determine the absolute cross-sections of reaction processes and are valuable to quantify the performance of the accelerator. Using data taken in 2010, LHCb has applied two methods to determine the absolute scale of its luminosity measurements for proton-proton collisions at the LHC with a centre-of-mass energy of 7 TeV. In addition to the classic "van der Meer scan" method a novel technique has been developed which makes use of direct imaging of the individual beams using beam-gas and beam-beam interactions. This beam imaging method is made possible by the high resolution of the LHCb vertex detector and the close proximity of the detector to the beams, and allows beam parameters such as positions, angles and widths to be determined. The results of the two methods have comparable precision and are in good agreement. Combining the two methods, an overall precision of 3.5% in the absolute luminosity determination is reached. The techniques used to transport the absolute luminosity calibration to the full 2010 data-taking period are presented. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1110.2866v2-abstract-full').style.display = 'none'; document.getElementById('1110.2866v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 11 January, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 October, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">48 pages, 19 figures. Results unchanged, improved clarity of Table 6, 9 and 10 and corresponding explanation in the text</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-PAPER-2011-015; CERN-PH-EP-2011-157 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> 2012 JINST 7 P01010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.1963">arXiv:1009.1963</a> <span> [<a href="https://arxiv.org/pdf/1009.1963">pdf</a>, <a href="https://arxiv.org/ps/1009.1963">ps</a>, <a href="https://arxiv.org/format/1009.1963">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1748-0221/5/10/P10003">10.1088/1748-0221/5/10/P10003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Performance of the LHCb muon system with cosmic rays </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Anelli%2C+M">M. Anelli</a>, <a href="/search/physics?searchtype=author&query=AntunesNobrega%2C+R">R. AntunesNobrega</a>, <a href="/search/physics?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/physics?searchtype=author&query=Baldini%2C+W">W. Baldini</a>, <a href="/search/physics?searchtype=author&query=Bencivenni%2C+G">G. Bencivenni</a>, <a href="/search/physics?searchtype=author&query=Berutti%2C+R">R. Berutti</a>, <a href="/search/physics?searchtype=author&query=Bocci%2C+V">V. Bocci</a>, <a href="/search/physics?searchtype=author&query=Bondar%2C+N">N. Bondar</a>, <a href="/search/physics?searchtype=author&query=Bonivento%2C+W">W. Bonivento</a>, <a href="/search/physics?searchtype=author&query=Botchin%2C+B">B. Botchin</a>, <a href="/search/physics?searchtype=author&query=Cadeddu%2C+S">S. Cadeddu</a>, <a href="/search/physics?searchtype=author&query=Campana%2C+P">P. Campana</a>, <a href="/search/physics?searchtype=author&query=Carbonih%2C+G">G. Carbonih</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">A. Cardini</a>, <a href="/search/physics?searchtype=author&query=Carletti%2C+M">M. Carletti</a>, <a href="/search/physics?searchtype=author&query=Ciambrone%2C+P">P. Ciambrone</a>, <a href="/search/physics?searchtype=author&query=Dane%2C+E">E. Dane</a>, <a href="/search/physics?searchtype=author&query=DeCapua%2C+S">S. DeCapua</a>, <a href="/search/physics?searchtype=author&query=Deplano%2C+C">C. Deplano</a>, <a href="/search/physics?searchtype=author&query=DeSimone%2C+P">P. DeSimone</a>, <a href="/search/physics?searchtype=author&query=Dettori%2C+F">F. Dettori</a>, <a href="/search/physics?searchtype=author&query=Falabella%2C+A">A. Falabella</a>, <a href="/search/physics?searchtype=author&query=Rodriguez%2C+F+F">F. Ferreira Rodriguez</a>, <a href="/search/physics?searchtype=author&query=Frosini%2C+M">M. Frosini</a>, <a href="/search/physics?searchtype=author&query=Furcas%2C+S">S. Furcas</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="1009.1963v1-abstract-short" style="display: inline;"> The LHCb Muon system performance is presented using cosmic ray events collected in 2009. These events allowed to test and optimize the detector configuration before the LHC start. The space and time alignment and the measurement of chamber efficiency, time resolution and cluster size are described in detail. The results are in agreement with the expected detector performance. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.1963v1-abstract-full" style="display: none;"> The LHCb Muon system performance is presented using cosmic ray events collected in 2009. These events allowed to test and optimize the detector configuration before the LHC start. The space and time alignment and the measurement of chamber efficiency, time resolution and cluster size are described in detail. The results are in agreement with the expected detector performance. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.1963v1-abstract-full').style.display = 'none'; document.getElementById('1009.1963v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 10 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Submitted to JINST and accepted</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JINST 5:P10003,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/physics/9912034">arXiv:physics/9912034</a> <span> [<a href="https://arxiv.org/pdf/physics/9912034">pdf</a>, <a href="https://arxiv.org/ps/physics/9912034">ps</a>, <a href="https://arxiv.org/format/physics/9912034">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Data Analysis, Statistics and Probability">physics.data-an</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/S0168-9002(00)00154-6">10.1016/S0168-9002(00)00154-6 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Kalman Filter Track Fits and Track Breakpoint Analysis </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Astier%2C+P">Pierre Astier</a>, <a href="/search/physics?searchtype=author&query=Cardini%2C+A">Alessandro Cardini</a>, <a href="/search/physics?searchtype=author&query=Cousins%2C+R+D">Robert D. Cousins</a>, <a href="/search/physics?searchtype=author&query=Letessier-Selvon%2C+A">Antoine Letessier-Selvon</a>, <a href="/search/physics?searchtype=author&query=Popov%2C+B+A">Boris A. Popov</a>, <a href="/search/physics?searchtype=author&query=Vinogradova%2C+T">Tatiana Vinogradova</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="physics/9912034v1-abstract-short" style="display: inline;"> We give an overview of track fitting using the Kalman filter method in the NOMAD detector at CERN, and emphasize how the wealth of by-product information can be used to analyze track breakpoints (discontinuities in track parameters caused by scattering, decay, etc.). After reviewing how this information has been previously exploited by others, we describe extensions which add power to breakpoint… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/9912034v1-abstract-full').style.display = 'inline'; document.getElementById('physics/9912034v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="physics/9912034v1-abstract-full" style="display: none;"> We give an overview of track fitting using the Kalman filter method in the NOMAD detector at CERN, and emphasize how the wealth of by-product information can be used to analyze track breakpoints (discontinuities in track parameters caused by scattering, decay, etc.). After reviewing how this information has been previously exploited by others, we describe extensions which add power to breakpoint detection and characterization. We show how complete fits to the entire track, with breakpoint parameters added, can be easily obtained from the information from unbroken fits. Tests inspired by the Fisher F-test can then be used to judge breakpoints. Signed quantities (such as change in momentum at the breakpoint) can supplement unsigned quantities such as the various chisquares. We illustrate the method with electrons from real data, and with Monte Carlo simulations of pion decays. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('physics/9912034v1-abstract-full').style.display = 'none'; document.getElementById('physics/9912034v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 December, 1999; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 1999. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">27 pages including 10 figures. To appear in NIM</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Instrum.Meth. A450 (2000) 138-154 </p> </li> </ol> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact arXiv</title><desc>Click here to contact arXiv</desc><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg> <a href="https://info.arxiv.org/help/contact.html"> Contact</a> </li> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>subscribe to arXiv mailings</title><desc>Click here to subscribe</desc><path d="M476 3.2L12.5 270.6c-18.1 10.4-15.8 35.6 2.2 43.2L121 358.4l287.3-253.2c5.5-4.9 13.3 2.6 8.6 8.3L176 407v80.5c0 23.6 28.5 32.9 42.5 15.8L282 426l124.6 52.2c14.2 6 30.4-2.9 33-18.2l72-432C515 7.8 493.3-6.8 476 3.2z"/></svg> <a href="https://info.arxiv.org/help/subscribe"> Subscribe</a> </li> </ul> </div> </div> </div>   <div class="column"> <div class="columns"> <div class="column"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/license/index.html">Copyright</a></li> <li><a href="https://info.arxiv.org/help/policies/privacy_policy.html">Privacy Policy</a></li> </ul> </div> <div class="column sorry-app-links"> <ul class="nav-spaced"> <li><a href="https://info.arxiv.org/help/web_accessibility.html">Web Accessibility Assistance</a></li> <li> <p class="help"> <a class="a11y-main-link" href="https://status.arxiv.org" target="_blank">arXiv Operational Status <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" class="icon filter-dark_grey" role="presentation"><path d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"/></svg></a><br> Get status notifications via <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/email/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><path d="M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z"/></svg>email</a> or <a class="is-link" href="https://subscribe.sorryapp.com/24846f03/slack/new" target="_blank"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon filter-black" role="presentation"><path d="M94.12 315.1c0 25.9-21.16 47.06-47.06 47.06S0 341 0 315.1c0-25.9 21.16-47.06 47.06-47.06h47.06v47.06zm23.72 0c0-25.9 21.16-47.06 47.06-47.06s47.06 21.16 47.06 47.06v117.84c0 25.9-21.16 47.06-47.06 47.06s-47.06-21.16-47.06-47.06V315.1zm47.06-188.98c-25.9 0-47.06-21.16-47.06-47.06S139 32 164.9 32s47.06 21.16 47.06 47.06v47.06H164.9zm0 23.72c25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06H47.06C21.16 243.96 0 222.8 0 196.9s21.16-47.06 47.06-47.06H164.9zm188.98 47.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06s-21.16 47.06-47.06 47.06h-47.06V196.9zm-23.72 0c0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06V79.06c0-25.9 21.16-47.06 47.06-47.06 25.9 0 47.06 21.16 47.06 47.06V196.9zM283.1 385.88c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06-25.9 0-47.06-21.16-47.06-47.06v-47.06h47.06zm0-23.72c-25.9 0-47.06-21.16-47.06-47.06 0-25.9 21.16-47.06 47.06-47.06h117.84c25.9 0 47.06 21.16 47.06 47.06 0 25.9-21.16 47.06-47.06 47.06H283.1z"/></svg>slack</a> </p> </li> </ul> </div> </div> </div>  </div> </footer> <script src="https://static.arxiv.org/static/base/1.0.0a5/js/member_acknowledgement.js"></script> </body> </html>

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