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Top quark mass measurement using the template method at CDF

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review. D. 2011, vol. 83, no. 11, p. 111101
Abstract We present a measurement of the top quark mass in the lepton+jets and dilepton channels of tt decays using the data sample corresponding to an integrated luminosity of 5.6  fb−1 of pp collisions at Tevatron with s√=1.96  TeV, collected with the CDF II detector. We construct templates of two reconstructed top quark masses from different jets-to-quarks combinations and the invariant mass of two jets from the W decays in the lepton+jets channel, and a reconstructed top quark mass and mT2, a variable related to the transverse mass in events with two missing particles, in the dilepton channel. The simultaneous fit of the templates from signal and background events in the lepton+jets and dilepton channels to the data yields a measured top quark mass of Mtop=172.1±1.1(stat)±0.9(syst)  GeV/c2.
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CDF COLLABORATION. Top quark mass measurement using the template method at CDF. In: Physical Review. D, 2011, vol. 83, n° 11, p. 111101. https://archive-ouverte.unige.ch/unige:38674

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Deposited on : 2014-07-15

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