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Performance of t-lepton reconstruction and identification in CMS

Abstract: The performance of ?-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 ? 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 ? leptons produced in Z-boson decays. The ?-lepton misidentification rates for jets and electrons are determined.

Authorship: Chatrchyan 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.,

Fuente: Journal of Instrumentation, 2012, 7(1), P01001

Publisher: Institute of Physics

Publication date: 01/01/2012

No. of pages: 34

Publication type: Article

DOI: 10.1088/1748-0221/7/01/P01001

ISSN: 1748-0221

Publication Url: https://doi.org/10.1088/1748-0221/7/01/P01001

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