Artículos de revistas
Performance of tau-lepton reconstruction and identification in CMS
Fecha
2012-01-01Registro en:
Journal of Instrumentation. Bristol: Iop Publishing Ltd, v. 7, p. 33, 2012.
1748-0221
10.1088/1748-0221/7/01/P01001
WOS:000303806200115
WOS000303806200115.pdf
Autor
Yerevan Phys Inst
Inst Hochenergiephys OeAW
Natl Ctr Particle & High Energy Phys
Univ Antwerp
Vrije Univ Brussel
Univ Libre Brussels
Univ Ghent
Catholic Univ Louvain
Univ Mons
Centro Brasileiro de Pesquisas Físicas (CBPF)
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (Unesp)
Bulgarian Acad Sci
Univ Sofia
Inst High Energy Phys
Peking Univ
Universidad de los Andes
Tech Univ Split
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Rudjer Boskovic Inst
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Charles Univ Prague
Acad Sci Res & Technol Arab Republ Egypt
NICPB
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Helsinki Inst Phys
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CNRS
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DESY
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Inst Nucl Phys Demokritos
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KFKI Res Inst Particle & Nucl Phys
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Debrecen Univ Med
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Inst Res & Fundamental Sci IPM
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Politecn Bari
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Institución
Resumen
The performance of tau-lepton reconstruction and identification algorithms is studied using a data sample of proton-proton collisions at root s = 7 TeV, corresponding to an integrated luminosity of 36 pb(-1) collected with the CMS detector at the LHC. The tau leptons that decay into one or three charged hadrons, zero or more short-lived neutral hadrons, and a neutrino are identified using final-state particles reconstructed in the CMS tracker and electromagnetic calorimeter. The reconstruction efficiency of the algorithms is measured using tau leptons produced in Z-boson decays. The tau-lepton misidentification rates for jets and electrons are determined.