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Performance of τ-lepton reconstruction and identification in CMSChatrchyan, S.Khachatryan, V.Sirunyan, A.M.Tumasyan, A.Adam, W.Bergauer, T.Dragicevic, M.Erö, J.Fabjan, C.Friedl, M.Frühwirth, R.Ghete, V.M.Hammer, J.Hünsel, S.Hoch, M.Hörmann, N.Hrubec, J.Jeitler, M.Kiesenhofer, W.Krammer, M.Liko, D.Mikulec, I.Pernicka, M.Rahbaran, B.Rohringer, H.Schöfbeck, R.Strauss, J.Taurok, A.Teischinger, F.Trauner, C.Wagner, P.Waltenberger, W.Walzel, G.Widl, E.Wulz, C.-E.Mossolov, V.Shumeiko, N.Gonzalez, J. SuarezBansal, S.Benucci, L.De Wolf, E.A.Janssen, X.Luyckx, S.Maes, T.Mucibello, L.Ochesanu, S.Roland, B.Rougny, R.Selvaggi, M.Van Haevermaet, H.Calorimeter methodsDetector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)Si microstrip and pad detectorsBosonsCalorimetersCharged hadronsElectromagnetic calorimeterIdentification algorithmsIntegrated luminosityMicrostripesModelling and simulationsProton proton collisionsReconstruction efficiencyHadronsThe performance of τ-lepton reconstruction and identification algorithms is studied using a data sample of proton-proton collisions at s = 7 TeV, corresponding to an integrated luminosity of 36 pb-1 collected with the CMS detector at the LHC. The τ 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 τ leptons produced in Z-boson decays. The τ-lepton misidentification rates for jets and electrons are determined. © 2012 CERN for the benefit of the CMS collaboration, published under license by IOP Publishing Ltd and SISSA.Institute of Physics2012Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/15589https://doi.org/10.1088/1748-0221/7/01/p010011748-0221enJournal of Instrumentationinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/15589