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Alignment of the CMS muon system with cosmic-ray and beam-halo muons

Author(s)
Alver, Burak Han; Bauer, Gerry P; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Chan, M.; D'Enterria, David; Everaerts, Pieter Bruno Bart; Gomez-Ceballos, Guillelmo; Hahn, Kristian Allan; Harris, Philip Coleman; Jaditz, Stephen Hunter; Kim, Y.; Klute, M.; Lee, Y.-J.; Li, W.; Loizides, Constantinos; Ma, T.; Miller, M.; Roland, Christof E; Roland, Gunther M; Rudolph, Matthew Scott; Stephans, George S. F.; Sumorok, Konstanty C; Sung, K.; Vaurynovich, Siarhei S.; Wenger, Edward Allen; Wyslouch, Boleslaw; Xie, S.; Yilmaz, Yetkin; Yoon, A. S.; CMS Collaboration; Nahn, Steven; ... Show more Show less
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Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/
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Abstract
The CMS muon system has been aligned using cosmic-ray muons collected in 2008 and beam-halo muons from the 2008 LHC circulating beam tests. After alignment, the resolution of the most sensitive coordinate is 80 microns for the relative positions of superlayers in the same barrel chamber and 270 microns for the relative positions of endcap chambers in the same ring structure. The resolution on the position of the central barrel chambers relative to the tracker is comprised between two extreme estimates, 200 and 700 microns, provided by two complementary studies. With minor modifications, the alignment procedures can be applied using muons from LHC collisions, leading to additional significant improvements.
Date issued
2010-03
URI
https://hdl.handle.net/1721.1/121593
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Department of Nuclear Science and Engineering; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Journal of Instrumentation
Publisher
IOP Publishing
Citation
CMS Collaboration et al. "Alignment of the CMS muon system with cosmic-ray and beam-halo muons." Journal of Instrumentation, 5 (March 2010): T03020 © 2010 IOP Publishing Ltd and SISSA
Version: Author's final manuscript
ISSN
1748-0221

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