Published March 2010
| Published
Journal Article
Open
Performance of CMS muon reconstruction in cosmic-ray events
Chicago
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Abstract
The performance of muon reconstruction in CMS is evaluated using a large data sample of cosmic-ray muons recorded in 2008. Efficiencies of various high-level trigger, identification, and reconstruction algorithms have been measured for a broad range of muon momenta, and were found to be in good agreement with expectations from Monte Carlo simulation. The relative momentum resolution for muons crossing the barrel part of the detector is better than 1% at 10 GeV/c and is about 8% at 500 GeV/c, the latter being only a factor of two worse than expected with ideal alignment conditions. Muon charge misassignment ranges from less than 0.01% at 10 GeV/c to about 1% at 500 GeV/c.
Additional Information
© 2010 IOP Publishing Ltd and SISSA. Received: November 30, 2009; revised: January 29, 2010; accepted: February 13, 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.Attached Files
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Additional details
- Eprint ID
- 21882
- Resolver ID
- CaltechAUTHORS:20110125-122153108
- FMSR (Austria)
- Fonds de la Recherche Scientifique (FNRS) (Belgium)
- Fonds Voor Wetenschappelijk Onderzoek (FWO) (Belgium)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) (Brazil)
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) (Brazil)
- Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ) (Brazil)
- Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) (Brazil)
- Ministry of Emergency Situations (Bulgaria)
- Conseil Européen pour la Recherche Nucléaire (CERN)
- Chinese Academy of Science (CAS) (China)
- Ministry of Science and Technology of the People´s Republic of China (MoST) (China)
- National Natural Science Foundation of China (NSFC) (China)
- COLCIENCIAS (Departamento Administrativo de Ciencia, Tecnología e Innovación) (Columbia)
- Ministry of Science, Education and Sports of the Republic of Croatia (MSES)
- RPF (Research Promotion Foundation) (Cyprus)
- Academy of Sciences (Estonia)
- NICPB (National Institute of Chemical Physics and Biophysics) (Estonia)
- Academy of Finland
- ME (Finland)
- HIP (Helsinki Institute of Physics) (Finland)
- CEA (Commissariat à l'Energie Atomique) (France)
- CNRS/IN2P3 (Centre National de la Recherche Scientifique/Institut National de Physique Nucléaire et Physique des Particules) (France)
- BMBF (Bundesministerium für Bildung und Forschung) (Germany)
- DFG (Deutsche Forschungsgemeinschaft) (Germany)
- HFG (Helmholtz Association of German Research Centres) (Germany)
- GSRT (General Secretariat for Research and Technology) (Greece)
- OTKA (Országos Tudományos Kutatási Alapprogramok) (Hungary)
- NKTH (National Office for Research and Technology) (Hungary)
- DAE (Department of Atomic Energy) (India)
- DST (Department of Science and Technology) (India)
- IPM (Institute for Research in Fundamental Sciences) (Iran)
- SFI (Science Foundation Ireland)
- Istituto Nazionale di Fisica Nucleare (INFN) (Italy)
- NRF (National Research Foundation of Korea)
- LAS (Lithuania)
- CINESTAV (Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional ) (Mexico)
- CONACYT (Consejo Nacional de Ciencia y Tecnología) (Mexico)
- SEP (Secretaría de Educación Pública) (Mexico)
- UASLP-FAI (Mexico)
- PAEC (Pakistan)
- SCSR (Poland)
- FCT (Portugal)
- JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan)
- MST (Russia)
- MAE (Russia)
- MSTDS (Serbia)
- MICINN (Spain)
- CPAN (Spain)
- Swiss Funding Agencies (Switzerland)
- NSC (Taipei)
- TUBITAK (Turkey)
- STFC (Science and Technology Facilities Council), UK
- Department of Energy
- NSF
- Marie-Curie IEF program (European Union)
- Leventis Foundation
- A. P. Sloan Foundation
- Alexander von Humboldt Foundation
- Created
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2011-01-26Created from EPrint's datestamp field
- Updated
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2022-07-12Created from EPrint's last_modified field