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The CMS Phase-1 pixel detector upgrade

Adam, W. and Bergauer, T. and Blöch, D. and Dragicevic, M. and Frühwirth, R. and Hinger, V. and Steininger, H. and Beaumont, W. and Croce, D. Di and Janssen, X. and Lauwers, J. and Mechelen, P. Van and Remortel, N. Van and Blekman, F. and Chhibra, S.S. and Clercq, J. De and D'Hondt, J. and Lowette, S. and Moortgat, S. and Morton, A. and Skovpen, K. and Sahasransu, A.R. and Bols, E. Sørensen and Mulders, P. Van and Allard, Y. and Beghin, D. and Bilin, B. and Clerbaux, B. and Lentdecker, G. De and Delannoy, H. and Deng, W. and Favart, L. and Goldouzian, R. and Grebenyuk, A. and Kalsi, A. and Mahdavikhorrami, M. and Makarenko, I. and Moureaux, L. and Popov, A. and Postiau, N. and Robert, F. and Song, Z. and Thomas, L. and Vanlaer, P. and Vannerom, D. and Wang, Q. and Wang, H. and Yang, Y. and Bondu, O. and Bruno, G. and Caputo, C. and David, P. and Delaere, C. and Delcourt, M. and Giammanco, A. and Lemaitre, V. and Prisciandaro, J. and Saggio, A. and Szilasi, N. and Marono, M. Vidal and Vischia, P. and Zobec, J. and Brigljević, V. and Ferenček, D. and Majumder, D. and Roguljić, M. and Starodumov, A. and Susa, T. and Eerola, P. and Brücken, E. and Gädda, A. and Lampén, T. and Martikainen, L. and Tuominen, E. and Turpeinen, R. and Winkler, A. and Luukka, P. and Tuuva, T. and Agram, J.-L. and Andrea, J. and Bloch, D. and Bonnin, C. and Bourgatte, G. and Brom, J.-M. and Chabert, E. and Charles, L. and Collard, C. and Dangelser, E. and Goerlach, U. and Grimault, C. and Gross, L. and Krauth, M. and Ollivier-Henry, N. and Jiménez, E. Silva and Baulieu, G. and Boudoul, G. and Caponetto, L. and Chanon, N. and Contardo, D. and Dené, P. and Dupasquier, T. and Galbit, G. and Gouzevitch, M. and Lumb, N. and Mirabito, L. and Nodari, B. and Perries, S. and Donckt, M. 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Ramirez and Chawla, R. and Das, S. and Gurdasani, S. and Jones, M. and Jung, A. and Koshy, A. and Negro, G. and Thieman, J. and Cheng, T. and Dolen, J. and Parashar, N. and Ecklund, K.M. and Freed, S. and Kilpatrick, M. and Kumar, A. and Nussbaum, T. and Demina, R. and Dulemba, J. and Hindrichs, O. and Bartz, E. and Gandrakotra, A. and Gershtein, Y. and Halkiadakis, E. and Hart, A. and Lath, A. and Nash, K. and Osherson, M. and Schnetzer, S. and Stone, R. and Eusebi, R. and D'Angelo, P. and Johns, W. and Padeken, K.O. (2021) The CMS Phase-1 pixel detector upgrade. Journal of Instrumentation, 16 (2). Art. No. P02027. ISSN 1748-0221. doi:10.1088/1748-0221/16/02/p02027.

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The CMS detector at the CERN LHC features a silicon pixel detector as its innermost subdetector. The original CMS pixel detector has been replaced with an upgraded pixel system (CMS Phase-1 pixel detector) in the extended year-end technical stop of the LHC in 2016/2017. The upgraded CMS pixel detector is designed to cope with the higher instantaneous luminosities that have been achieved by the LHC after the upgrades to the accelerator during the first long shutdown in 2013–2014. Compared to the original pixel detector, the upgraded detector has a better tracking performance and lower mass with four barrel layers and three endcap disks on each side to provide hit coverage up to an absolute value of pseudorapidity of 2.5. This paper describes the design and construction of the CMS Phase-1 pixel detector as well as its performance from commissioning to early operation in collision data-taking.

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Additional Information:© 2021 CERN for the benefit of the CMS Tracker collaboration. Published by IOP Publishing Ltd on behalf of Sissa Medialab. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Received: July 23, 2020; Accepted: December 22, 2020; Published: February 22, 2021. The tracker groups gratefully acknowledge financial support from the following funding agencies: BMWFW and FWF (Austria); FNRS and FWO (Belgium); CERN; MSE and CSF (Croatia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); NKFIA K124850, and Bolyai Fellowship of the Hungarian Academy of Sciences (Hungary); DAE and DST (India); IPM (Iran); INFN (Italy); PAEC (Pakistan); SEIDI, CPAN, PCTI and FEDER (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); STFC (United Kingdom); DOE and NSF (U.S.A.). Individuals have received support from HFRI (Greece). The irradiation campaign has received funding from the European Union’s Horizon 2020 Research and Innovation programme under Grant Agreement no. 654168.
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Official Citation:W. Adam et al 2021 JINST 16 P02027
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ID Code:108610
Deposited By: Tony Diaz
Deposited On:02 Apr 2021 18:43
Last Modified:12 Jul 2022 19:49

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