The CMS Phase-1 pixel detector upgrade

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http://hdl.handle.net/10138/328987

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The CMS Collaboration , Adam , W , Bergauer , T , Eerola , P , Brücken , E , Gädda , A , Lampén , T , Luukka , P , Martikainen , L , Tuominen , E , Turpeinen , R , Winkler , A & Tuuva , T 2021 , ' The CMS Phase-1 pixel detector upgrade ' , Journal of Instrumentation , vol. 16 , no. 2 , 02027 . https://doi.org/10.1088/1748-0221/16/02/P02027

Title: The CMS Phase-1 pixel detector upgrade
Author: The CMS collaboration; Adam, W.; Bergauer, T.; Eerola, P.; Brücken, Erik; Gädda, Akiko; Lampén, T.; Luukka, P.; Martikainen, Laura; Tuominen, E.; Turpeinen, Raimo; Winkler, Alexander; Tuuva, T.
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Lappeenranta-Lahti University of Technology
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
Date: 2021-02-22
Language: eng
Number of pages: 78
Belongs to series: Journal of Instrumentation
ISSN: 1748-0221
URI: http://hdl.handle.net/10138/328987
Abstract: 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.
Subject: 114 Physical sciences
Instrumentation for particle accelerators and storage rings - high energy (linear accelerators, synchrotrons)
Particle tracking detectors
Detector design and construction technologies and materials
Detector alignment and calibration methods (lasers, sources, particle-beams)
SILICON SENSORS
PERFORMANCE
DESIGN
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