Published March 2010 | Version Published
Journal Article Open

Calibration of the CMS drift tube chambers and measurement of the drift velocity with cosmic rays

Abstract

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.

Additional Information

© 2010 IOP Publishing Ltd and SISSA. Received: November 26, 2009. Revised: January 14, 2010. Accepted: January 26, 2010 Published: March 19, 2010. We thank the technical and administrative staff at CERN and other CMS Institutes, and acknowledge support from: FMSR (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia); Academy of Finland, ME, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTDS (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA). Individuals have received support from the Marie-Curie IEF program (European Union); the Leventis Foundation; the A. P. Sloan Foundation; and the Alexander von Humboldt Foundation.

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Additional details

Identifiers

Eprint ID
23392
Resolver ID
CaltechAUTHORS:20110420-101435471

Related works

Funding

FMSR (Austria)
FNRS and FWO (Belgium)
CNPq (Brazil)
CAPES (Brazil)
FAPERJ (Brazil)
FAPESP (Brazil)
MES (Bulgaria)
CERN
CAS (China)
MoST (China)
NSFC (China)
COLCIENCIAS (Colombia)
MSES (Croatia)
RPF (Cyprus)
Academy of Sciences and NICPB (Estonia)
Academy of Finland
ME (Finland)
HIP (Finland)
CEA (France)
CNRS/IN2P3 (France)
BMBF (Germany)
DFG (Germany)
HGF (Germany)
GSRT (Greece)
OTKA and NKTH (Hungary)
DAE and DST (India)
IPM (Iran)
SFI (Ireland)
INFN (Italy)
NRF (Korea)
LAS (Lithuania)
CINVESTAV (Mexico)
CONACyT (Mexico)
SEP (Mexico)
UASLP-FAI (Mexico)
PAEC (Pakistan)
SCSR (Poland)
FCT (Portugal)
JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan)
MST and MAE (Russia)
MSTDS (Serbia)
MICINN and CPAN (Spain)
Swiss Funding Agencies (Switzerland)
NSC (Taipei)
TUBITAK and TAEK (Turkey)
STFC (United Kingdom)
Department of Energy (DOE)
NSF
Marie-Curie IEF program (European Union)
Leventis Foundation
A.P. Sloan Foundation
Alexander von Humboldt Foundation

Dates

Created
2011-04-20
Created from EPrint's datestamp field
Updated
2021-11-09
Created from EPrint's last_modified field