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

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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 serv...

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Detalles Bibliográficos
Autores principales: 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, Inseok, You, Z., Yu, I., Zaleski, S.
Lenguaje:eng
Publicado: 2023
Materias:
physics.ins-det
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/j.nima.2023.168723
http://cds.cern.ch/record/2872830
Descripción
Sumario: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 0.6m<sup loc="post">2</sup>. 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<sup loc="post">−2</sup>. Mass production of KCMS GEM foils is currently in progress.

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