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Triple-GEM discharge probability studies at CHARM: simulations and experimental results
/ CMS Muon Group Collaboration
The CMS muon system in the region with 2.03<|η|<2.82 is characterized by a very harsh radiation environment which can generate hit rates up to 144 kHz/cm2 and an integrated charge of 8 C/cm2 over ten years of operation. In order to increase the detector performance and acceptance for physics events including muons, a new muon station (ME0) has been proposed for installation in that region. [...]
2020 - 23 p.
- Published in : JINST 15 (2020) P10013
Fulltext: PDF;
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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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Detector Control System for the GE1/1 slice test
/ Abbas, M (KIT, Karlsruhe) ; Abbrescia, M (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Abdalla, H (Cairo, Acad. Sci. Res. Tech.) ; Zeid, S Abu (Cairo, Acad. Sci. Res. Tech.) ; Agapitos, A (Peking U.) ; Ahmad, A (NCP, Islamabad) ; Ahmed, A (Cairo, Acad. Sci. Res. Tech.) ; Ahmed, A (Delhi U.) ; Ahmed, W (NCP, Islamabad) ; Amarjeet, S (Panjab U.) et al.
Gas Electron Multiplier (GEM) technology, in particular triple-GEM, was selected for the upgrade of the CMS endcap muon system following several years of intense effort on R&D.; The triple-GEM chambers (GE1/1) are being installed at station 1 during the second long shutdown with the goal of reducing the Level-1 muon trigger rate and improving the tracking performance in the harsh radiation environment foreseen in the future LHC operation [1]. A first installation of a demonstrator system started at the beginning of 2017: 10 triple-GEM detectors were installed in the CMS muon system with the aim of gaining operational experience and demonstrating the integration of the GE1/1 system into the trigger. [...]
2020 - 19 p.
- Published in : JINST 15 (2020) P05023
Fulltext: PDF;
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GEM detector performance with innovative micro-TPC readout in high magnetic field
/ Garzia, I (INFN, Ferrara ; Ferrara U.) ; Alexeev, M (INFN, Turin) ; Amoroso, A (INFN, Turin ; Turin U.) ; Baldini Ferroli, R (Frascati ; Beijing, Inst. High Energy Phys.) ; Bertani, M (Frascati) ; Bettoni, D (INFN, Ferrara) ; Bianchi, F (INFN, Turin ; Turin U.) ; Calcaterra, A (Frascati) ; Canale, N (Ferrara U.) ; Capodiferro, M (Frascati ; INFN, Rome) et al.
Gas detector development is one of the pillars of the research in fundamental physics. Since several years, a new concept of detectors, called Micro Pattern Gas Detector (MPGD), allowed to overcome several problems related to other types of commonly used detectors, like drift chamber and micro strips detectors, reducing the rate of discharges and providing better radiation tolerance. [...]
2018 - 5 p.
- Published in : EPJ Web Conf. 170 (2018) 01009
Fulltext: PDF;
In : INTERNATIONAL CONFERENCE on ADVANCEMENTS in NUCLEAR INSTRUMENTATION MEASUREMENT METHODS and their APPLICATIONS, Liege, Belgique, 19 - 23 Jun 2017, pp.01009
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The new CGEM Inner Tracker and the new TIGER ASIC for the BES III Experiment
/ Marcello, Simonetta (INFN, Turin ; Turin U.) ; Alexeev, Maxim (INFN, Turin ; Turin U.) ; Amoroso, Antonio (INFN, Turin ; Turin U.) ; Baldini Ferroli, Rinaldo (Frascati ; Beijing, Inst. High Energy Phys.) ; Bertani, Monica (Frascati) ; Bettoni, Diego (INFN, Ferrara) ; Bianchi, Fabrizio Umberto (INFN, Turin ; Turin U.) ; Calcaterra, Alessandro (Frascati) ; Canale, N (INFN, Ferrara) ; Capodiferro, Manlio (Frascati ; INFN, Rome) et al.
A new detector exploiting the technology of Gas Electron Multipliers is under construction to replace the innermost drift chamber of BESIII experiment, since its efficiency is compromised owing the high luminosity of Beijing Electron Positron Collider. The new inner tracker with a cylindrical shape will deploy several new features. [...]
SISSA, 2018 - 4 p.
- Published in : PoS EPS-HEP2017 (2017) 505
Fulltext: PDF; External link: PoS server
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017, pp.505
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Operational Experience With the GEM Detector Assembly Lines for the CMS Forward Muon Upgrade
/ Abbaneo, D (CERN) ; Abbrescia, M (Bari Polytechnic ; INFN, Bari) ; Ahmad, A (NCP, Islamabad) ; Ahmed, W (NCP, Islamabad) ; Ali, C (Texas A-M) ; Altieri, P R (Bari Polytechnic ; INFN, Bari) ; Amr, M (Cairo, Acad. Sci. Res. Tech.) ; Asghar, I (NCP, Islamabad) ; Aspell, P (CERN) ; Assran, Y (Cairo, Acad. Sci. Res. Tech.) et al.
The CMS Collaboration has been developing large-area triple-gas electron multiplier (GEM) detectors to be installed in the muon Endcap regions of the CMS experiment in 2019 to maintain forward muon trigger and tracking performance at the High-Luminosity upgrade of the Large Hadron Collider (LHC); 10 preproduction detectors were built at CERN to commission the first assembly line and the quality controls (QCs). These were installed in the CMS detector in early 2017 and participated in the 2017 LHC run. [...]
2018 - 9 p.
- Published in : IEEE Trans. Nucl. Sci. 65 (2018) 2808-2816
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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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A Cylindrical GEM Inner Tracker for the BESIII experiment at IHEP
/ Farinelli, R. (INFN, Ferrara ; Ferrara U.) ; Alexeev, M. (INFN, Turin) ; Amoroso, A. (INFN, Turin) ; Bianchi, F. (INFN, Turin) ; Bertani, M. (INFN, Rome) ; Bettoni, D. (INFN, Ferrara) ; Canale, N. (INFN, Ferrara ; Ferrara U.) ; Calcaterra, A. (INFN, Rome) ; Carassiti, V. (INFN, Ferrara) ; Cerioni, S. (INFN, Rome) et al.
The Beijing Electron Spectrometer III (BESIII) is a multipurpose detector that collects data provided by the collision in the Beijing Electron Positron Collider II (BEPCII), hosted at the Institute of High Energy Physics of Beijing. [...]
arXiv:1807.00500.
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2018.
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