Calibration of the CMS Drift Tube Chambers and Measurement of the Drift Velocity with Cosmic Rays - INSPIRE

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Calibration of the CMS Drift Tube Chambers and Measurement of the Drift Velocity with Cosmic Rays

CMS

Collaboration

Nov, 2009

37 pages

Published in:

JINST 5 (2010) T03016

e-Print:

0911.4895 [physics.ins-det]

DOI:

10.1088/1748-0221/5/03/T03016

Report number:

CMS-CFT-09-023

Experiments:

CERN-LHC-CMS

View in:

reference search27 citations

Citations per year

Abstract: (arXiv)

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.

OSG : CMS
calibration
cosmic radiation
drift velocity
drift tube
CMS
statistics
time delay
off-line
trigger

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