The Triple-GEM Project for the Phase 2 Upgrade of the CMS Muon System

Abbaneo, D.; Abbas, M.; Abbrescia, M.; Abdelalim, A. A.; Akl, M. Abi; Ahmed, W.; Altieri, P.; Aly, R.; Ashfaq, A.; Aspell, P.; Assran, Y.; Awan, I.; Bally, S.; Ban, Y.; Banerjee, S.; Barria, P.; Benussi, L.; Bhopatkar, V.; Bianco, S.; Bos, J.; Bouhali, O.; Braibant, S.; Buontempo, S.; Cai, J.; Calabria, C.; Caputo, C.; Cassese, Francesco Peluso; Castaneda, A.; Cauwenbergh, S.; Cavallo, F. R.; Çelik, A.; Choi, M.; Choi, Kiyoung; Choi, S.; Christiansen, J.; Cimmino, A.; Colafranceschi, S.; Colaleo, A.; Garcia, A. Conde; Dabrowski, M.; Lentdecker, G. De; Oliveira, Rui de; Robertis, G. De; Dildick, S.; Dorney, B.; Elmetenawee, W.; Fabrice, G.; Ferry, S.; Giacomelli, P.; Gilmore, J.; Guiducci, L.; Gutiérrez, A.; Hadjiiska, R.; Hassan, A.F.; Hauser, J.; Höepfner, K.; Hohlmann, M.; Hoorani, H. R.; Jeng, Y. G.; Kamon, T.; Karchin, P. E.; Kim, H.; Krutelyov, S.; Kumar, Ashok; Lee, Jason Sang Hun; Lenzi, T.; Litov, L.; Loddo, F.; Maerschalk, T.; Magazzù, G.; Maggi, M.; Maghrbi, Y.; Magnani, A.; Majumdar, N.; Mal, P.; Mandal, K.; Marchioro, A.; Marinov, A.; Merlin, J. A.; Mohammed, Nadia M.; Mohanty, A. K.; Mohapatra, A.; Muhammad, S.; Mukhopadhyay, Supratik; Nuzzo, S.; Oliveri, E.; Pant, L. M.; Paolucci, P.; Park, I.; Passeggio, G.; Pavlov, B.; Philipps, B.; Phipps, M. W.; Piccolo, D.; Postema, H.; Pugliese, G.; Baranac, A. Puig; Radi, A.; Radogna, R.; Raffone, G.; Ramkrishna, S.; Ranieri, A.; Riccardi, C.; Rodrigues, A. Malta; Ropelewski, L.; Roychoddhury, S.; Ryu, M. S.; Ryu, G.; Safonov, A.; Sakharov, A.; Salva, S.; Saviano, G.; Sharma, A.; Swain, S. K.; Talvitie, J.; Tamma, C.; Tatarinov, A.; Turini, N.; Tuuva, T.; Twigger, J.; Tytgat, M.; Vai, I.; Stenis, M. van; Venditi, R.; Verhagen, Erik; Verwilligen, P.; Vitulo, P.; Yang, U. K.; Yang, Yifan; Yonamine, R.; Zaganidis, N.; Zenoni, F.; Zhang, A.

doi:10.22323/1.213.0065

Cited by 5 publications

(3 citation statements)

References 6 publications

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“…The chambers were assembled using a new technique "Self Stretching" that consists of mechanically stretching the GEM foils as part of the assembly procedure without the need to put spacers. Detailed fabrication and assembly procedures can be found in [4,7].…”

Section: Detector Design Descriptionmentioning

confidence: 99%

Development and performance of large scale triple GEM for CMS

et al. 2013

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The international CMS GEM collaboration is studying the feasibility of upgrading the CMS forward muon system by adding layers of triple GEM based detectors. After successful tests of small size tripe-GEM chambers in the period of 2010-2011, the collaboration has designed, built and tested full-size GEM chambers for the upgrade purpose. We report on results from test beam and simulation that were conducted to study the performance of the GEM chambers.

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Section: Detector Design Descriptionmentioning

confidence: 99%

Development and performance of large scale triple GEM for CMS

et al. 2013

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“…The chambers were assembled using the so-called "NS2" (no stretching no spacers) technique (figure 6) that consists of mechanically stretching the GEM foils as part of the assembly procedure without the need to put spacers and without glue; this allows to assemble and disassemble the chamber as many times as needed (more details in ref. [7,8]). As illustrated in figure 6, outside the active area, the edges of the GEM foils contain a pattern of holes which is used to attach each of the 3 foils with nylon pins to an inner frame structure; this inner frame defines the gap sizes -5 - and is placed inside an outer frame.…”

Section: Detector Design Descriptionmentioning

confidence: 99%

Studies on the upgrade of the muon system in the forward region of the CMS experiment at LHC with GEMs

et al. 2014

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The LHC data-taking will resume in 2015 with energy of 13–14 TeV and luminosity of 2÷5 × 1034 cm−2 s−1. At those energies, a considerable fraction of the particles produced propagate in the high pseudo-rapidity regions. The proposal for the upgrade of the CMS muon forward system involves Gas Electron Multiplier (GEM) chambers to be installed during the second LHC Long Shutdown (LS2) covering the pseudorapidity range 1.5 < |η| < 2.2. This detector is able to handle the extreme particle rates expected in this region when the LHC will be running at higher luminosity. The GEM is an excellent choice, as its high spatial resolution (order of 100 μm) 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, discussing also the trigger performance.

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“…We propose to mount CGEM ZC without glueing but using the technology developed for the Triple-GEM project for the upgrade of the CMS muon system [27]. This assembling technology is successfully tested for large flat chambers and consists in stretching the whole GEM stack at once with the help of clumps at the edges of the chamber.…”

Section: Introductionmentioning

confidence: 99%

High resolution tracking detectors with cascaded Gaseous Electron Multipliers

et al. 2013

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Gaseous Electron Multiplier(GEM)-based position sensitive detectors are used and planned to be used in several experiments in the Budker Institute of Nuclear Physics. At present eight triple-GEM detectors are installed in the KEDR experiment at the VEPP-4M collider where they operate in the tagging system measuring momenta of electrons and positrons after two-photon interactions. Several triple-GEM detectors made of very light components are planned to be installed in the DEUTERON experiment at the VEPP-3 storage ring. The first detector of this type is assembled and tested with dedicated electronics. We plan also to build large cylindrical GEMbased detector with two layers of cylindrical triple-GEMs of 60 cm inner diameter. This project is now discussed for the Cryogenic Magnetic Detector (CMD-3) at the VEPP-2000 collider.

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The Triple-GEM Project for the Phase 2 Upgrade of the CMS Muon System

Cited by 5 publications

References 6 publications

Development and performance of large scale triple GEM for CMS

Development and performance of large scale triple GEM for CMS

Studies on the upgrade of the muon system in the forward region of the CMS experiment at LHC with GEMs

High resolution tracking detectors with cascaded Gaseous Electron Multipliers

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