Measurement of the top-quark mass in t̄t events with lepton+jets final states in pp collisions at √s =7 TeV
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
27/05/2014
27/05/2014
01/12/2012
|
Resumo |
The mass of the top quark is measured using a sample of t̄t candidate events with one electron or muon and at least four jets in the final state, collected by CMS in pp collisions at √s =7 TeV at the LHC. A total of 5174 candidate events is selected from data corresponding to an integrated luminosity of 5.0 fb-1. For each event the mass is reconstructed from a kinematic fit of the decay products to a t̄t hypothesis. The top-quark mass is determined simultaneously with the jet energy scale (JES), constrained by the known mass of the W boson in q̄q decays, to be 173.49 ± 0.43 (stat. + JES) ±0.98 (syst.) GeV. © 2012 CERN for the benefit of the CMS collaboration. |
Identificador |
http://dx.doi.org/10.1007/JHEP12(2012)105 Journal of High Energy Physics, v. 2012, n. 12, 2012. 1126-6708 1029-8479 http://hdl.handle.net/11449/73783 10.1007/JHEP12(2012)105 2-s2.0-84878543346 2-s2.0-84878543346.pdf |
Idioma(s) |
eng |
Relação |
Journal of High Energy Physics |
Direitos |
openAccess |
Palavras-Chave | #Hadron-Hadron Scattering |
Tipo |
info:eu-repo/semantics/article |