CERN Accelerating science

Article
Report number arXiv:1903.02186
Title Performance of prototype GE1 ∕ 1 chambers for the CMS muon spectrometer upgrade
Related titlePerformance of GE1/1 Chambers for the CMS Muon Endcap Upgrade
Author(s)

Abbas, M. (KIT, Karlsruhe) ; Abbrescia, M. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Abdalla, H. (Cairo, Acad. Sci. Res. Tech.) ; Abu Zeid, S. (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.) ; Asghar, I. (NCP, Islamabad) ; Aspell, P. (CERN) ; Avila, C. (Andes U., Bogota) ; Babbar, J. (Panjab U.) ; Ban, Y. (Peking U.) ; Band, R. (UC, Davis) ; Bansal, S. (Panjab U.) ; Benussi, L. (Frascati) ; Bhatnagar, V. (Panjab U.) ; Bianco, M. (CERN) ; Bianco, S. (Frascati) ; Black, K. (Wisconsin U., Madison) ; Borgonovi, L. (INFN, Bologna ; U. Bologna, DIFA) ; Bouhali, O. (Texas A&M U. Qatar, Doha) ; Braghieri, A. (INFN, Pavia ; Pavia U.) ; Braibant, S. (INFN, Bologna ; U. Bologna, DIFA) ; Butalla, S. (Florida Inst. Tech.) ; Calzaferri, S. (INFN, Pavia ; Pavia U.) ; Caponero, M. (Frascati) ; Cassese, F. (INFN, Naples ; Naples U.) ; Cavallo, N. (INFN, Naples ; Naples U.) ; Chauhan, S. (Panjab U.) ; Colafranceschi, S. (Florida Inst. Tech.) ; Colaleo, A. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Conde Garcia, A. (CERN) ; Dalchenko, M. (Texas A-M) ; De Iorio, A. (INFN, Naples ; Naples U.) ; De Lentdecker, G. (Brussels U.) ; Dell Olio, D. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; De Robertis, G. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Dharmaratna, W. (Ruhuna U.) ; Dildick, S. (Texas A-M) ; Dorney, B. (Brussels U.) ; Erbacher, R. (UC, Davis) ; Fabozzi, F. (INFN, Naples ; Naples U.) ; Fallavollita, F. (CERN) ; Fiorina, D. (INFN, Pavia ; Pavia U.) ; Fontanesi, E. (INFN, Bologna ; U. Bologna, DIFA) ; Franco, M. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Galloni, C. (Wisconsin U., Madison) ; Giacomelli, P. (INFN, Bologna ; U. Bologna, DIFA) ; Gilmore, J. (Texas A-M) ; Gola, M. (Delhi U.) ; Gruchala, M. (CERN) ; Gutierrez, A. (Wayne State U.) ; Hadjiiska, R. (Sofiya, Inst. Nucl. Res.) ; Hakkarainen, T. (Lappeenranta U. Tech.) ; Hauser, J. (UCLA) ; Hoepfner, K. (Aachen, Tech. Hochsch.) ; Hohlmann, M. (Florida Inst. Tech.) ; Hoorani, H. (NCP, Islamabad) ; Huang, T. (Texas A-M) ; Iaydjiev, P. (Sofiya, Inst. Nucl. Res.) ; Irshad, A. (NCP, Islamabad) ; Iorio, A. (INFN, Naples ; Naples U.) ; Jaramillo, J. (Antioquia U.) ; Jeong, D. (Seoul U.) ; Jha, V. (Bhabha Atomic Res. Ctr.) ; Juodagalvis, A. (Vilnius U.) ; Juska, E. (Texas A-M) ; Kamon, T. (Texas A-M) ; Karchin, P. (Wayne State U.) ; Kaur, A. (Panjab U.) ; Kaur, H. (Panjab U.) ; Keller, H. (Aachen, Tech. Hochsch.) ; Kim, H. (Texas A-M) ; Kim, J. (Seoul Natl. U. (main)) ; Kumar, A. (Delhi U.) ; Kumar, S. (Panjab U.) ; Kumawat, H. (Bhabha Atomic Res. Ctr.) ; Lacalamita, N. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Lee, J. (Seoul U.) ; Levin, A. (Peking U.) ; Li, Q. (Peking U.) ; Licciulli, F. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Lista, L. (INFN, Naples ; Naples U.) ; Loddo, F. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Lohan, M. (Panjab U.) ; Luhach, M. (Panjab U.) ; Maggi, M. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Majumdar, N. (Saha Inst.) ; Malagalage, K. (Colombo U.) ; Malhorta, S. (Texas A&M U. Qatar, Doha) ; Martiradonna, S. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Mccoll, N. (UCLA) ; McLean, C. (UC, Davis) ; Merlin, J. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Mishra, D. (Bhabha Atomic Res. Ctr.) ; Mocellin, G. (Aachen, Tech. Hochsch.) ; Moureaux, L. (Brussels U.) ; Muhammad, A. (NCP, Islamabad) ; Muhammad, S. (NCP, Islamabad) ; Mukhopadhyay, S. (Saha Inst.) ; Naimuddin, M. (Delhi U.) ; Netrakanti, P. (Bhabha Atomic Res. Ctr.) ; Nuzzo, S. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Oliveira, R. (CERN) ; Pant, L. (Bhabha Atomic Res. Ctr.) ; Paolucci, P. (INFN, Naples ; Naples U.) ; Park, I. (Seoul U.) ; Passamonti, L. (Frascati) ; Passeggio, G. (INFN, Naples ; Naples U.) ; Peck, A. (UCLA) ; Petre, L. (Brussels U.) ; Petrow, H. (Lappeenranta U. Tech.) ; Piccolo, D. (Frascati) ; Pierluigi, D. (Frascati) ; Raffone, G. (Frascati) ; Rahmani, M. (Florida Inst. Tech.) ; Ramirez, F. (Antioquia U.) ; Ranieri, A. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Rashevski, G. (Sofiya, Inst. Nucl. Res.) ; Ressegotti, M. (INFN, Pavia ; Pavia U.) ; Riccardi, C. (INFN, Pavia ; Pavia U.) ; Rodozov, M. (Sofiya, Inst. Nucl. Res.) ; Roskas, C. (Gent U.) ; Rossi, B. (INFN, Naples ; Naples U.) ; Rout, P. (Saha Inst.) ; Ruiz, J.D. (Antioquia U.) ; Russo, A. (Frascati) ; Safonov, A. (Texas A-M) ; Saltzberg, D. (UCLA) ; Saviano, G. (Frascati) ; Shah, A. (Delhi U.) ; Sharma, A. (CERN) ; Sharma, R. (Delhi U.) ; Shopova, M. (Sofiya, Inst. Nucl. Res.) ; Simone, F. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Singh, J. (Panjab U.) ; Soldani, E. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Sonnadara, U. (Colombo U.) ; Starling, E. (Brussels U.) ; Stone, B. (UCLA) ; Sturdy, J. (Wayne State U.) ; Sultanov, G. (Sofiya, Inst. Nucl. Res.) ; Szillasi, Z. (Debrecen, Inst. Nucl. Res.) ; Teague, D. (Wisconsin U., Madison) ; Teyssier, D. (Debrecen, Inst. Nucl. Res.) ; Tuuva, T. (Lappeenranta U. Tech.) ; Tytgat, M. (Gent U.) ; Vai, I. (INFN, Pavia ; Pavia U. ; Bergamo U.) ; Vanegas, N. (Antioquia U.) ; Venditti, R. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Verwilligen, P. (Bari Polytechnic ; Bari U. ; INFN, Bari) ; Vetens, W. (Wisconsin U., Madison) ; Virdi, A. (Panjab U.) ; Vitulo, P. (INFN, Pavia ; Pavia U.) ; Wajid, A. (NCP, Islamabad) ; Wang, D. (Peking U.) ; Wang, K. (Peking U.) ; Wickramage, N. (Ruhuna U.) ; Yang, Y. (Brussels U.) ; Yang, U. (Seoul Natl. U. (main)) ; Yongho, J. (Korea U.) ; Yoon, I. (Seoul Natl. U. (main)) ; You, Z. (SYSU, Guangzhou) ; Yu, I. (Korea U.) ; Zaleski, S. (Aachen, Tech. Hochsch.)

Publication 2020-08-21
Imprint 2019-03-06
Number of pages 23
Note 23 pages
In: Nucl. Instrum. Methods Phys. Res., A 972 (2020) 164104
DOI 10.1016/j.nima.2020.164104 (publication)
Subject category hep-ex ; Particle Physics - Experiment ; physics.ins-det ; Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; CMS
Abstract The high-luminosity phase of the Large Hadron Collider (HL-LHC) will result in ten times higher particle background than measured during the first phase of LHC operation. In order to fully exploit the highly-demanding operating conditions during HL-LHC, the Compact Muon Solenoid (CMS) Collaboration will use Gas Electron Multiplier (GEM) detector technology. The technology will be integrated into the innermost region of the forward muon spectrometer of CMS as an additional muon station called GE11. The primary purpose of this auxiliary station is to help in muon reconstruction and to control level-1 muon trigger rates in the pseudo-rapidity region $1.6 <|\eta|<2.2$. The new station will contain trapezoidal-shaped GEM detectors called GE11 chambers. The design of these chambers is finalized, and the installation is in progress during the Long Shutdown phase two (LS-2) that started in 2019. Several full-size prototypes were built and operated successfully in various test beams at CERN. We describe performance measurements such as gain, efficiency, and time resolution of these prototype chambers, developed after years of R&D, and summarize their behavior in different gas compositions as a function of the applied voltage.
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publication: © 2020-2024 Elsevier B.V.



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