Measurement of the top-quark mass in t[overline t] events with lepton+jets final states in pp collisions at √s = 7 TeV
Author(s)
CMS Collaboration; Apyan, Aram; Bauer, Gerry P; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Dutta, Valentina; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Klute, Markus; Krajczar, Krisztian F.; Luckey Jr, P David; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Roland, Christof E; Roland, Gunther M; Rudolph, Matthew Scott; Stephans, George S. F.; Stoeckli, Fabian; Sumorok, Konstanty C; Sung, Kevin Kai Hong; Velicanu, Dragos Alexandru; Wenger, Edward Allen; Wolf, Roger; Wyslouch, Boleslaw; Yang, Ming; Yilmaz, Yetkin; Yoon, A. S.; Zanetti, Marco; Kim, Y.; Li, W.; Chan, M.; ... Show more Show less
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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.
Date issued
2012-12Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Journal of High Energy Physics
Publisher
Springer Nature
Citation
Chatrchyan, S.et al. “Measurement of the top-quark mass in t[overline t] events with lepton+jets final states in pp collisions at √s = 7 TeV.” Journal of High Energy Physics 2012, 12 (December 2012): 105 © 2012 CERN for the benefit of the CMS collaboration
Version: Final published version
ISSN
1029-8479