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Production and validation of industrially produced large-sized GEM foils for the Phase-2 upgrade of the CMS muon spectrometer

Academic Article
Publication Date:
2023
abstract:
The upgrade of the CMS detector for the high luminosity LHC (HL-LHC) will include gas electron multiplier (GEM) detectors in the end-cap muon spectrometer. Due to the limited supply of large area GEM detectors, the Korean CMS (KCMS) collaboration had formed a consortium with Mecaro Co., Ltd. to serve as a supplier of GEM foils with area of approximately 0.6m2. The consortium has developed a double-mask etching technique for production of these large-sized GEM foils. This article describes the production, quality control, and quality assessment (QA/QC) procedures and the mass production status for the GEM foils. Validation procedures indicate that the structure of the Korean foils are in the designed range. Detectors employing the Korean foils satisfy the requirements of the HL-LHC in terms of the effective gain, response uniformity, rate capability, discharge probability, and hardness against discharges. No aging phenomena were observed with a charge collection of 82mCcm−2. Mass production of KCMS GEM foils is currently in progress.
Iris type:
1.1 Articolo in rivista
List of contributors:
Abbas, M.; Abbrescia, M.; Abdalla, H.; Abdelalim, A.; Abuzeid, S.; Aebi, D.; Agapitos, A.; Ahmad, A.; Ahmed, A.; Ahmed, W.; Aimè, C.; Akhter, T.; Alsufyani, B.; Aruta, C.; Asghar, I.; Aspell, P.; Avila, C.; Babbar, J.; Ban, Y.; Band, R.; Bansal, S.; Benussi, L.; Bhatnagar, V.; Bianco, M.; Bianco, S.; Black, K.; Borgonovi, L.; Bouhali, O.; Braghieri, A.; Braibant, S.; Butalla, S.; Cagnotta, A.; Calzaferri, S.; Campagnola, R.; Caponero, M.; Carlson, J.; Cassese, F.; Cavallo, N.; Chauhan, S. S.; Choudhary, B.; Colafranceschi, S.; Colaleo, A.; Garcia, A. Conde; Datta, A.; De Iorio, A.; De Lentdecker, G.; Olio, D. Dell; De Robertis, G.; Dharmaratna, W.; Elkafrawy, T.; Erbacher, R.; Everaerts, P.; Fabozzi, F.; Fallavollita, F.; Fiorina, D.; Franco, M.; Galloni, C.; Giacomelli, P.; Gigli, S.; Gilmore, J.; Gola, M.; Gutierrez, A.; Hadjiiska, R.; Hoepfner, K.; Hohlmann, M.; Hong, Y.; Hoorani, H.; Huang, T.; Iaydjiev, P.; Irshad, A.; Iorio, A.; Ivone, F.; Jang, W.; Jaramillo, J.; Jeong, Y.; Jeng, Y.; Juska, E.; Kailasapathy, B.; Kamon, T.; Kang, Y.; Karchin, P.; Kaur, A.; Kaur, H.; Keller, H.; Kim, H.; Kim, J.; Kim, M.; Kim, S.; Ko, B.; Kumar, A.; Kumar, S.; Lacalamita, N.; Lee, J. S. H.; Levin, A.; Li, Q.; Licciulli, F.; Lista, L.; Liyanage, K.; Loddo, F.; Luhach, M.; Maggi, M.; Maghrbi, Y.; Majumdar, N.; Malagalage, K.; Martiradonna, S.; Mclean, C.; Merlin, J.; Misheva, M.; Mocellin, G.; Moureaux, L.; Muhammad, A.; Muhammad, S.; Mukhopadhyay, S.; Naimuddin, M.; Nuzzo, S.; Oliveira, R.; Paolucci, P.; Park, I. C.; Passamonti, L.; Passeggio, G.; Peck, A.; Pellecchia, A.; Perera, N.; Petre, L.; Piccolo, D.; Pierluigi, D.; Raffone, G.; Ramirez, F.; Ranieri, A.; Rashevski, G.; Rathjens, D.; Regnery, B.; Rendon, C.; Riccardi, C.; Rossi, B.; Rout, P.; Ruiz, J. D.; Russo, A.; Safonov, A.; Sahota, A. K.; Saltzberg, D.; Saviano, G.; Shah, A.; Sharma, A.; Sharma, R.; Sheokand, T.; Shopova, M.; Simone, F.; Singh, J.; Sonnadara, U.; Sturdy, J.; Sultanov, G.; Szillasi, Z.; Teague, D.; Teyssier, D.; Tytgat, M.; Vai, I.; Vanegas, N.; Venditti, R.; Verwilligen, P.; Vetens, W.; Virdi, A. K.; Vitulo, P.; Wajid, A.; Wang, D.; Wang, K.; Watson, I. J.; Wickramage, N.; Wickramarathna, D. D. C.; Yanes, E.; Yang, S.; Yang, U.; Yang, Y.; Yoon, I.; You, Z.; Yu, I.; Zaleski, S.
Authors of the University:
AIMÈ CHIARA
RICCARDI CRISTINA
VAI ILARIA
VITULO PAOLO
Handle:
https://iris.unipv.it/handle/11571/1484255
Published in:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT
Journal
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URL

https://www.sciencedirect.com/science/article/pii/S0168900223007143
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