TY - JOUR
T1 - Performance of CMS muon reconstruction in pp collision events at √s = 7TeV
AU - The CMS collaboration
AU - Chatrchyan, S.
AU - Khachatryan, V.
AU - Sirunyan, A. M.
AU - Tumasyan, A.
AU - Adam, W.
AU - Bergauer, T.
AU - Dragicevic, M.
AU - Erö, J.
AU - Fabjan, C.
AU - Friedl, M.
AU - Frühwirth, R.
AU - Ghete, V. M.
AU - Hammer, J.
AU - Hoch, M.
AU - Hörmann, N.
AU - Hrubec, J.
AU - Jeitler, M.
AU - Kiesenhofer, W.
AU - Krammer, M.
AU - Liko, D.
AU - Mikulec, I.
AU - Pernicka, M.
AU - Rahbaran, B.
AU - Rohringer, C.
AU - Rohringer, H.
AU - Schöfbeck, R.
AU - Strauss, J.
AU - Taurok, A.
AU - Teischinger, F.
AU - Wagner, P.
AU - Waltenberger, W.
AU - Walzel, G.
AU - Widl, E.
AU - Wulz, C. E.
AU - Mossolov, V.
AU - Shumeiko, N.
AU - Suarez Gonzalez, J.
AU - Bansal, S.
AU - Benucci, L.
AU - Cornelis, T.
AU - De Wolf, E. A.
AU - Janssen, X.
AU - Luyckx, S.
AU - Maes, T.
AU - Mucibello, L.
AU - Ochesanu, S.
AU - Roland, B.
AU - Rougny, R.
AU - Selvaggi, M.
AU - Carrera Jarrin, E.
N1 - Publisher Copyright:
© CERN 2012 for the benefit of the CMS collaboration, published under the terms of the Creative Commons.
PY - 2012/10
Y1 - 2012/10
N2 - The performance of muon reconstruction, identification, and triggering in CMS has been studied using 40pb-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 pT larger than a few GeV/c is above 95% over the whole region of pseudorapidity covered by the CMS muon system, |η| < 2.4, while the probability to misidentify a hadron as a muon is well below 1%. The efficiency to trigger on single muons with pT above a few GeV/c is higher than 90% over the full η range, and typically substantially better. The overall momentum scale is measured to a precision of 0.2% with muons from Z decays. The transverse momentum resolution varies from 1% to 6% depending on pseudorapidity for muons with pT below 100GeV/c and, using cosmic rays, it is shown to be better than 10% in the central region up to pT = 1 TeV/c. Observed distributions of all quantities are well reproduced by the Monte Carlo simulation.
AB - The performance of muon reconstruction, identification, and triggering in CMS has been studied using 40pb-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 pT larger than a few GeV/c is above 95% over the whole region of pseudorapidity covered by the CMS muon system, |η| < 2.4, while the probability to misidentify a hadron as a muon is well below 1%. The efficiency to trigger on single muons with pT above a few GeV/c is higher than 90% over the full η range, and typically substantially better. The overall momentum scale is measured to a precision of 0.2% with muons from Z decays. The transverse momentum resolution varies from 1% to 6% depending on pseudorapidity for muons with pT below 100GeV/c and, using cosmic rays, it is shown to be better than 10% in the central region up to pT = 1 TeV/c. Observed distributions of all quantities are well reproduced by the Monte Carlo simulation.
KW - Large detector-systems performance
KW - Muon spectrometers
KW - Particle identification methods
KW - Particle tracking detectors
KW - Particle tracking detectors (Gaseous detectors)
KW - Performance of High Energy Physics Detectors
KW - Simulation methods and programs
UR - https://www.scopus.com/pages/publications/84868533109
U2 - 10.1088/1748-0221/7/10/P10002
DO - 10.1088/1748-0221/7/10/P10002
M3 - Artículo
AN - SCOPUS:84868533109
SN - 1748-0221
VL - 7
JO - Journal of Instrumentation
JF - Journal of Instrumentation
IS - 10
M1 - P10002
ER -