Upgrade of the CMS muon system with triple-GEM detectors

The CMS collaboration considers upgrading the muon forward region which is particularly affected by the high-luminosity conditions at the LHC. The proposal involves Gas Electron Multiplier (GEM) chambers, which are able to handle the extreme particle rates expected in this region along with a high s...

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Hauptverfasser:	Abbaneo, D, Abdelalim, AA, Akl, MA, Ahmed, W, Aly, R, Ashfaq, A, Aspell, P, Assran, Y, Awan, I, Bally, S, Ban, Y, Barria, P, Benussi, L, Bhopatkar, V, Bianco, S, Bos, J, Bouhali, O, Braibant, S, Buontempo, S, Cai, J, Calabria, C, Caputo, C, Cassese, F, Cavallo, FR, Celik, A, Choi, M, Choi, K, Choi, S, Christiansen, J, Cimmino, Anna, Colafranceschi, S, Colaleo, A, Garcia, AC, Dabrowski, MM, de Robertis, G, Dildick, Sven, Dorney, B, Elmetenawee, W, Fabrice, G, Ferry, S, Giacomelli, P, Gilmore, J, Guiducci, L, Gutierrez, A, Hadjiiska, RM, Hassan, A, Hohlmann, M, Jeng, YG, Kamon, T, Kim, H, Krutelyov, S, Lee, J, Lenzi, T, Litov, L, Maerschalk, T, Majumdar, N, Mal, PK, Marinov, Andrey, Merlin, JA, Mohammed, N, Muhammad, S, Nuzzo, S, Oliveri, E, Pant, LM, Paolucci, P, Park, I, Passeggio, G, Pavlov, B, Phipps, M, Piccolo, D, Baranac, AP, Radi, A, Radogna, R, Ramkrishna, S, Rodrigues, A, Ropelewski, L, Ryu, MS, Ryu, G, Safonov, A, Sakharov, A, Salva, Sinem, Saviano, G, Sharma, A, Swain, SK, Talvitie, JP, Tamma, C, Turini, N, Tuuva, T, Twigger, J, Tytgat, Michael, Vai, I, Venditi, R, Verhagen, E, Verwilligen, P, Vitulo, P, Yang, U, Yang, Y, Yonamine, R, Zaganidis, Nikolaos, Zhang, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Electron multipliers (gas) etc InGrid MHSP MICROMEGAS Micropattern gaseous detectors (MSGC MICROPIC Physics and Astronomy RETHGEM THGEM
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Beschreibung
Zusammenfassung:	The CMS collaboration considers upgrading the muon forward region which is particularly affected by the high-luminosity conditions at the LHC. The proposal involves Gas Electron Multiplier (GEM) chambers, which are able to handle the extreme particle rates expected in this region along with a high spatial resolution. This allows to combine tracking and triggering capabilities, which will improve the CMS muon High Level Trigger, the muon identification and the track reconstruction. Intense R&D has been going on since 2009 and it has lead to the development of several GEM prototypes and associated detector electronics. These GEM prototypes have been subjected to extensive tests in the laboratory and in test beams at the CERN Super Proton Synchrotron (SPS). This contribution will review the status of the CMS upgrade project with GEMs and its impact on the CMS performance.
ISSN:	1748-0221 1748-0221