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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.

Autoría: 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

Editorial: Institute of Physics

Fecha de publicación: 01/01/2012

Nº de páginas: 34

Tipo de publicación: Artículo de Revista

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

ISSN: 1748-0221

Url de la publicación: https://doi.org/10.1088/1748-0221/7/01/P01001

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