Operational experience with the GEM detector assembly lines for the CMS forward muon upgrade

Operational experience with the GEM detector assembly lines for the CMS forward muon upgrade

© 1963-2012 IEEE. The CMS Collaboration has been developing large-area triple-gas electron multiplier (GEM) detectors to be installed in the muon Endcap regions of the CMS experiment in 2019 to maintain forward muon trigger and tracking performance at the High-Luminosity upgrade of the Large Hadron...

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Veröffentlicht in:IEEE Transactions On Nuclear Science 2018-09, Vol.65 (11), p.2808-2816
Hauptverfasser: Dabrowski, Mietek, Abbaneo, D, Abbrescia, M, Ahmad, A, Ahmed, W, Ali, C, Altieri, P.R, Amr, M, Asghar, I, Aspell, P, Assran, Y, Avila, C, Ban, Y, Band, R, Bansal, S, Bencze, G, Beni, N, Benussi, L, Bhatnagar, V, Bhopatkar, V, Bianco, M, Bianco, S, Borgonovi, L, Bouhali, O, Braibant-Giacomelli, S, Bravo, C, Cafaro, V, Calabria, C, Caponero, M, Cassese, F, Castaneda Hernandez, A, Cavallo, F.R, Cavallo, N, Chen, G, Chhibra, S.S, Choi, S, Colafranceschi, S, Colaleo, A, Conde Garcia, A, Dabrowski, M.M, Dalchenko, M, De Lentdecker, G, De Robertis, G, Dildick, S, Dong, J, Dorney, B, Endroczi, G, Erbacher, R, Errico, F, Fallavollita, F, Giacomelli, P, Gigli, S.G, Gilmore, J, Giordano, V, Gola, M, Gonzalez Hernandez, C.F, Gruchala, M, Guiducci, L, Gupta, R, Gutierrez, A, Hadjiiska, R, Hakkarainen, T, Hasbuddin, Md, Hauser, J, Heidemann, C, Hoepfner, K, Hohlmann, M, Hoorani, H, Huang, H, Huang, T, Iaydjiev, P, Jha, V, Juodagalvis, A, Juska, E, Kamon, T, Karchin, P.E, Kaur, A, Keller, H, Khan, W.A, Kim, J.S, Kim, H, Kotsokechagia, A, Kumar, A, Kumari, P, Lee, J.S.H, Lenzi, T, Leonard, A, Leroux, P, Li, Q, Litov, L, Loddo, F, Lohan, M, Maerschalk, T, Maggi, M, Magnani, A, Majumdar, N, Makovec, A, Malhotra, S, Marinov, A, Mccoll, N
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Sprache:eng
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Zusammenfassung:© 1963-2012 IEEE. The CMS Collaboration has been developing large-area triple-gas electron multiplier (GEM) detectors to be installed in the muon Endcap regions of the CMS experiment in 2019 to maintain forward muon trigger and tracking performance at the High-Luminosity upgrade of the Large Hadron Collider (LHC); 10 preproduction detectors were built at CERN to commission the first assembly line and the quality controls (QCs). These were installed in the CMS detector in early 2017 and participated in the 2017 LHC run. The collaboration has prepared several additional assembly and QC lines for distributed mass production of 160 GEM detectors at various sites worldwide. In 2017, these additional production sites have optimized construction techniques and QC procedures and validated them against common specifications by constructing additional preproduction detectors. Using the specific experience from one production site as an example, we discuss how the QCs make use of independent hardware and trained personnel to ensure fast and reliable production. Preliminary results on the construction status of CMS GEM detectors are presented with details of the assembly sites involvement.
ISSN:0018-9499