2012
DOI: 10.1088/1748-0221/7/10/p10002
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Performance of CMS muon reconstruction in pp collision events at√s = 7TeV

Abstract: The performance of muon reconstruction, identification, and triggering in CMS has been studied using 40 pb −1 of data collected in pp collisions at √ s = 7 TeV at the LHC in 2010. A few benchmark sets of selection criteria covering a wide range of physics analysis needs have been examined. For all considered selections, the efficiency to reconstruct and identify a muon with a transverse momentum p T larger than a few GeV/c is above 95% over the whole region of pseudorapidity covered by the CMS muon system, |η|… Show more

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Cited by 541 publications
(664 citation statements)
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“…The electron selection is based on the shower shape, track-cluster matching, and consistency between the cluster energy and the track momentum [46]. Muon candidates are reconstructed by performing a global fit that requires consistent hit patterns in the tracker and the muon system [47].…”
Section: Object Definition and Event Preselectionmentioning
confidence: 99%
“…The electron selection is based on the shower shape, track-cluster matching, and consistency between the cluster energy and the track momentum [46]. Muon candidates are reconstructed by performing a global fit that requires consistent hit patterns in the tracker and the muon system [47].…”
Section: Object Definition and Event Preselectionmentioning
confidence: 99%
“…Most of the data used in this analysis are selected by requiring an electron candidate with transverse energy E T > 32 GeV. Muon and electron candidates are reconstructed following standard CMS algorithms [13,14]. Jets, missing transverse energy, and related quantities are computed using particle-flow techniques [15] in which a full reconstruction of the event is developed from the individual particle signals in the different subdetectors.…”
Section: Data and Monte Carlo Samples And Signal Definitionmentioning
confidence: 99%
“…Selected events are required to have exactly one electron [37] or muon [38] with p T > 20 GeV and |η| < 1.4442 or |η| < 2.4, respectively. The lepton needs to be consistent with originating from the primary interaction vertex and isolated from other activity in the event.…”
Section: Event Reconstruction and Preselectionmentioning
confidence: 99%