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Precision measurement of the structure of the CMS inner tracking system using nuclear interactions

Author(s)
Abercrombie, Daniel Robert; Allen, Brandon Leigh; Azzolini, Virginia; Barbieri, Richard Alexander; Baty, Austin Alan; Bauer, Gerry P; Bi, Ran; Brandt, Stephanie Akemi; Busza, Wit; Cali, Ivan Amos; D'Alfonso, Mariarosaria; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Harris, Philip Coleman; Hsu, Dylan George; Hu, M.; Iiyama, Yutaro; Innocenti, Gian Michele; Klute, Markus; Kovalskyi, Dmytro; Lee, Y.-J.; Levin, A.; Luckey Jr, P David; Maier, Benedikt; Marini, Andrea Carlo; McGinn, Christopher Francis; Mironov, Camelia Maria; Narayanan, Sruthi A.; Niu, Xinmei; Paus, Christoph M. E.; Roland, Christof E; Roland, Gunther M; Stephans, George S. F.; Sumorok, Konstanty C; Tatar, Kaya; Velicanu, Dragos Alexandru; Wang, J.; Wang, T. W.; Wyslouch, Boleslaw; Shi, Zhaozhong; CMS Collaboration; ... Show more Show less
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Creative Commons Attribution 3.0 unported license https://creativecommons.org/licenses/by/3.0/
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Abstract
The structure of the CMS inner tracking system has been studied using nuclear interactions of hadrons striking its material. Data from proton-proton collisions at a center-of-mass energy of 13 TeV recorded in 2015 at the LHC are used to reconstruct millions of secondary vertices from these nuclear interactions. Precise positions of the beam pipe and the inner tracking system elements, such as the pixel detector support tube, and barrel pixel detector inner shield and support rails, are determined using these vertices. These measurements are important for detector simulations, detector upgrades, and to identify any changes in the positions of inactive elements.
Date issued
2018-10
URI
https://hdl.handle.net/1721.1/121941
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Journal
Journal of Instrumentation
Publisher
IOP Publishing
Citation
Sirunyan, A. M. et al. "Precision measurement of the structure of the CMS inner tracking system using nuclear interactions." Journal of Instrumentation 13 (October 2018): P10034 © 2018 CERN for the benefit of the CMS collaboration
Version: Final published version
ISSN
1748-0221

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