Direct Measurement of the Total Decay Width of the Top Quark

作者: T Aaltonen , Silvia Amerio , D Amidei , A Anastassov , Alberto Annovi

DOI: 10.1103/PHYSREVLETT.111.202001

关键词:

摘要: We present a measurement of the total decay width top quark using events with top-antitop-quark pair candidates reconstructed in final state one charged lepton and four or more hadronic jets. use full Tevatron Run II data set s√=1.96 TeV proton-antiproton collisions recorded by CDF detector. The top-quark mass hadronically-decaying W boson are for each event compared distributions derived from simulated signal background samples to extract (gmt) energy scale calorimeter jets {it in-situ} calibration. For $mtop = gevcc{172.5}$, we find $1.10

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