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

Apresyan, A. and Bornheim, A. and Bunn, J. and Chiorboli, M. and Gataullin, M. and Kcira, D. and Litvine, V. and Ma, Y. and Newman, H. B. and Rogan, C. and Timciuc, V. and Veverka, J. and Wilkinson, R. and Yang, Y. and Zhang, L. and Zhu, K. and Zhu, R. Y. (2010) Alignment of the CMS muon system with cosmic-ray and beam-halo muons. Journal of Instrumentation, 5 . Art. No. T03020. ISSN 1748-0221. http://resolver.caltech.edu/CaltechAUTHORS:20110131-160827183

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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.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/1748-0221/5/03/T03020DOIUNSPECIFIED
http://iopscience.iop.org/1748-0221/5/03/T03020/PublisherUNSPECIFIED
http://arxiv.org/abs/0911.4022arXivUNSPECIFIED
Additional Information:© 2010 IOP Publishing Ltd and SISSA. Received: November 23, 2009; Accepted: February 18, 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.
Funders:
Funding AgencyGrant Number
FMSR (Austria)UNSPECIFIED
FNRS (Belgium)UNSPECIFIED
FWO (Belgium)UNSPECIFIED
CNPq (Brazil)UNSPECIFIED
CAPES (Brazil)UNSPECIFIED
FAPERJ (Brazil)UNSPECIFIED
FAPESP (Brazil)UNSPECIFIED
MES (Bulgaria)UNSPECIFIED
CERN (China)UNSPECIFIED
CAS (China)UNSPECIFIED
MoST (China)UNSPECIFIED
NSFC (China)UNSPECIFIED
COLCIEN-CIAS (Colombia) UNSPECIFIED
MSES (Croatia)UNSPECIFIED
RPF (Cyprus) UNSPECIFIED
Academy of Sciences (Estonia)UNSPECIFIED
NICPB (Estonia)UNSPECIFIED
Academy of FinlandUNSPECIFIED
ME (Finland)UNSPECIFIED
HIP (Finland)UNSPECIFIED
CEA (France)UNSPECIFIED
CNRS/IN2P3 (France)UNSPECIFIED
BMBF (Germany)UNSPECIFIED
DFG (Germany)UNSPECIFIED
HGF (Germany)UNSPECIFIED
GSRT (Greece)UNSPECIFIED
OTKA (Hungary)UNSPECIFIED
NKTH (Hungary)UNSPECIFIED
DAE (India)UNSPECIFIED
DST (India)UNSPECIFIED
IPM (Iran)UNSPECIFIED
SFI (Ireland)UNSPECIFIED
INFN (Italy)UNSPECIFIED
NRF (Korea)UNSPECIFIED
LAS (Lithuania)UNSPECIFIED
CINVESTAV (Mexico)UNSPECIFIED
SEP (Mexico)UNSPECIFIED
UASLP-FAI (Mexico)UNSPECIFIED
PAEC (Pakistan)UNSPECIFIED
SCSR (Poland)UNSPECIFIED
FCT (Portugal)UNSPECIFIED
JINR (Armenia) UNSPECIFIED
JINR (Belarus) UNSPECIFIED
JINR (Georgia) UNSPECIFIED
JINR (Ukraine) UNSPECIFIED
JINR (Uzbekistan) UNSPECIFIED
MST (Russia)UNSPECIFIED
MAE (Russia)UNSPECIFIED
MSTDS (Serbia)UNSPECIFIED
MICINN (Spain)UNSPECIFIED
CPAN (Spain)UNSPECIFIED
Swiss Funding Agencies (Switzerland) UNSPECIFIED
NSC (Taipei) UNSPECIFIED
TUBITAK (Turkey) UNSPECIFIED
TAEK (Turkey) UNSPECIFIED
STFC (United Kingdom) UNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
NSFUNSPECIFIED
European Union UNSPECIFIED
Leventis Foundation UNSPECIFIED
A. P. Sloan Foundation UNSPECIFIED
Alexander von Humboldt Foundation UNSPECIFIED
Subject Keywords:Muon spectrometers; Large detector systems for particle and astroparticle physics
Classification Code:PACS: 29.40.Gx; 95.55.Vj; 96.50.sb
Record Number:CaltechAUTHORS:20110131-160827183
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20110131-160827183
Official Citation:CMS Collaboration 2010 JINST 5 T03020 doi: 10.1088/1748-0221/5/03/T03020
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21941
Collection:CaltechAUTHORS
Deposited By: Benjamin Perez
Deposited On:01 Feb 2011 16:32
Last Modified:25 Feb 2013 22:15

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