Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5223
Title: Measurement of the top-quark mass in t¯t events with lepton+jets final states in pp collisions at ?s =7 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Jet energy
Leptons
Quark
Tevatron
Issue Date: 2012
Publisher: Springer Verlag
Source: Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Aguilo, E., Bergauer, T., ...CMS Collaboration (2012). Measurement of the top-quark mass in t̄t events with lepton+jets final states in pp collisions at √s =7 TeV. Journal of High Energy Physics, 2012(12). doi:10.1007/JHEP12(2012)105
Abstract: 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.
URI: http://doi.org/10.1007/JHEP12(2012)105
http://hdl.handle.net/11147/5223
ISSN: 1029-8479
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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