Calibration of the CMS drift tube chambers and measurement of the drift velocity with cosmic rays
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, Markus; Lee, Y.-J.; Li, W.; Loizides, Constantinos; Ma, T.; Miller, M.; Paus, Christoph M. E.; 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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This paper describes the calibration procedure for the drift tubes of the CMS barrel muon system and reports the main results obtained with data collected during a high statistics cosmic ray data-taking period. The main goal of the calibration is to determine, for each drift cell, the minimum time delay for signals relative to the trigger, accounting for the drift velocity within the cell. The accuracy of the calibration procedure is influenced by the random arrival time of the cosmic muons relative to the LHC clock cycle. A more refined analysis of the drift velocity was performed during the offline reconstruction phase, which takes into account this feature of cosmic ray events.
Date issued
2010-03Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. Department of Nuclear Science and EngineeringJournal
Journal of Instrumentation
Citation
Chatrchyan, S. et al. "Calibration of the CMS drift tube chambers and measurement of the drift velocity with cosmic rays." Journal of Instrumentation 5 (March 2010): T03016 © 2010 IOP Publishing and SISSA
Version: Original manuscript
ISSN
1748-0221