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Interstrip Capacitances of the Readout Board used in Large Triple-GEM Detectors for the CMS Muon Upgrade
/ CMS Muon Group Collaboration
We present analytical calculations, Finite Element Analysis modeling, and physical measurements of the interstrip capacitances for different potential strip geometries and dimensions of the readout boards for the GE2/1 triple-Gas Electron Multiplier detector in the CMS muon system upgrade. The main goal of the study is to find configurations that minimize the interstrip capacitances and consequently maximize the signal-to-noise ratio for the detector. [...]
arXiv:2009.09505.-
2020-12-14 - 21 p.
- Published in : JINST 15 (2020) P12019
Fulltext: PDF; Fulltext from publisher: PDF;
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Performance of a triple-GEM demonstrator in pp collisions at the CMS detector
/ Abbas, M. (KIT, Karlsruhe) ; Abbrescia, M. (Bari U. ; INFN, Bari) ; Abdalla, H. (Ain Shams U., Cairo ; American U., Cairo) ; Abdelalim, A. (Ain Shams U., Cairo ; Zewail City Sci. Technol., Giza) ; AbuZeid, S. (Ain Shams U., Cairo) ; Agapitos, A. (Peking U.) ; Ahmad, A. (NCP, Islamabad) ; Ahmed, A. (Delhi U.) ; Ahmed, W. (NCP, Islamabad) ; Aimè, C. (INFN, Pavia) et al.
After the Phase-2 high-luminosity upgrade to the Large Hadron Collider (LHC), the collision rate and therefore the background rate will significantly increase, particularly in the high $\eta$ region. To improve both the tracking and triggering of muons, the Compact Muon Solenoid (CMS) Collaboration plans to install triple-layer Gas Electron Multiplier (GEM) detectors in the CMS muon endcaps. [...]
arXiv:2107.09364.-
2021-11-12 - 10 p.
- Published in : JINST 16 (2021) P11014
Fulltext: 2107.09364 - PDF; document - PDF;
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Layout and Assembly Technique of the GEM Chambers for the Upgrade of the CMS First Muon Endcap Station
/ CMS Muon Collaboration
Triple-GEM detector technology was recently selected by CMS for a part of the upgrade of its forward muon detector system as GEM detectors provide a stable operation in the high radiation environment expected during the future High-Luminosity phase of the Large Hadron Collider (HL-LHC). In a first step, GEM chambers (detectors) will be installed in the innermost muon endcap station in the $1.6<\left|\eta\right|<2.2$ pseudo-rapidity region, mainly to control level-1 muon trigger rates after the second LHC Long Shutdown. [...]
arXiv:1812.00411.-
2018-11-28 - 9 p.
- Published in : Nucl. Instrum. Meth. A 918 (2019) 67-75
Fulltext: PDF; Fulltext from Publisher: PDF;
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Quality control of mass-produced GEM detectors for the CMS GE1/1 muon upgrade
/ Abbas, M. (KIT, Karlsruhe) ; Abbrescia, M. (Bari Polytechnic ; INFN, Bari) ; Abdalla, H. (Ain Shams U., Cairo ; American U., Cairo) ; Abdelalim, A. (Ain Shams U., Cairo ; British U. in Egypt) ; AbuZeid, S. (Ain Shams U., Cairo) ; Agapitos, A. (Peking U.) ; Ahmad, A. (NCP, Islamabad) ; Ahmed, A. (Delhi Tech. U.) ; Ahmed, W. (NCP, Islamabad) ; Aimè, C. (Pavia U. ; INFN, Pavia) et al.
The series of upgrades to the Large Hadron Collider, culminating in the High Luminosity Large Hadron Collider, will enable a significant expansion of the physics program of the CMS experiment. However, the accelerator upgrades will also make the experimental conditions more challenging, with implications for detector operations, triggering, and data analysis. [...]
arXiv:2203.12037.-
2022-07-01 - 45 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1034 (2022) 166716
Fulltext: PDF;
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Benchmarking LHC background particle simulation with the CMS triple-GEM detector
/ CMS Collaboration
An estimate of environmental background hit rate on triple-GEM chambers is performed using Monte Carlo (MC) simulation and compared to data taken by test chambers installed in the CMS experiment (GE1/1) during Run-2 at the Large Hadron Collider (LHC). The hit rate is measured using data collected with proton-proton collisions at 13 TeV and a luminosity of 1.5$\times10^{34}$ cm$^{-2}$ s$^{-1}$. [...]
arXiv:2107.03621.-
2021-12-16 - 19 p.
- Published in : JINST 16 (2021) P12026
Fulltext: 2107.03621 - PDF; document - PDF;
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Performance of a Large-Area GEM Detector Prototype for the Upgrade of the CMS Muon Endcap System
/ Abbaneo, D. (CERN) ; Abbas, M. (CERN) ; Abbrescia, M. (Bari U. ; INFN, Bari) ; Abdelalim, A.A. (Helwan U.) ; Abi Akl, M. (Texas A&M U. Qatar, Doha) ; Ahmed, W. (Helwan U.) ; Ahmed, W. (Quaid-i-Azam U.) ; Altieri, P. (Bari U. ; INFN, Bari) ; Aly, R. (Helwan U.) ; Asawatangtrakuldee, C. (Peking U.) et al.
Gas Electron Multiplier (GEM) technology is being considered for the forward muon upgrade of the CMS experiment in Phase 2 of the CERN LHC. Its first implementation is planned for the GE1/1 system in the $1.5 < \mid\eta\mid < 2.2$ region of the muon endcap mainly to control muon level-1 trigger rates after the second long LHC shutdown. [...]
arXiv:1412.0228.-
2016-03-14 - 8 p.
- Published in : 10.1109/NSSMIC.2014.7431249
Fulltext: PDF; External link: Preprint
In : Conference Information and Promotion Committee (CIP) for the IEEE – Nuclear Science Symposium and Medical Imaging Conference, and Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors workshop, Seattle, WA, USA, 8 - 15 Nov 2014, pp.7431249
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Fiber Bragg Grating (FBG) sensors as flatness and mechanical stretching sensors
/ Abbaneo, D. (CERN) ; Abbas, M. (CERN) ; Abbrescia, M. (Bari U. ; INFN, Bari) ; Abdelalim, A.A. (British U. in Egypt) ; Abi Akl, M. (Texas A&M U. Qatar, Doha) ; Aboamer, O. (Cairo, Acad. Sci. Res. Tech.) ; Acosta, D. (Florida U.) ; Ahmad, A. (NCP, Islamabad) ; Ahmed, W. (British U. in Egypt) ; Ahmed, W. (NCP, Islamabad) et al.
A novel approach which uses Fibre Bragg Grating (FBG) sensors has been utilised to assess and monitor the flatness of Gaseous Electron Multipliers (GEM) foils. The setup layout and preliminary results are presented..
arXiv:1512.08481; FRASCATI-PREPRINT-INFN-15-09-LNF; FRASCATI-PREPRINT-INFN-15-09-LNF.-
2016-07-11 - 3 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 824 (2016) 493-495
Fulltext: arXiv:1512.08481 - PDF; 10.1016_j.nima.2016.01.059 - PDF; External link: Preprint
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015, pp.493-495
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