Journal article
Measurement of the top-quark mass in t̄t events with lepton+jets final states in pp collisions at √s =7 TeV
The journal of high energy physics, Vol.2012(12), 105
01/01/2012
DOI: 10.1007/JHEP12(2012)105
Abstract
The mass of the top quark is measured using a sample of tt¯ 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 tt¯ hypothesis. The top-quark mass is determined simultaneously with the jet energy scale (JES), constrained by the known mass of the W boson in qq¯¯¯ decays, to be 173.49 ± 0.43 (stat. + JES) ±0.98 (syst.) GeV.
Details
- Title: Subtitle
- Measurement of the top-quark mass in t̄t events with lepton+jets final states in pp collisions at √s =7 TeV
- Creators
- S ChatrchyanJ. A Brochero CifuentesI. J CabrilloAlicia CalderonS. H ChuangJ Duarte CampderrosMarta FelciniM FernándezG GómezJ González SánchezC JordaP Lobelle PardoA López VirtoJesús MarcoRafael MarcoCelso Martínez-RiveroFrancisco MatorrasF. J Muñoz SánchezTeresa RodrigoAna Y Rodríguez MarreroAlberto Ruiz JimenoLuca ScodellaroM Sobron SañudoIván VilaRocío VilarCMS Collaboration
- Contributors
- Y Onel (Contributor) - University of Iowa, Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- The journal of high energy physics, Vol.2012(12), 105
- Publisher
- Springer
- DOI
- 10.1007/JHEP12(2012)105
- ISSN
- 1126-6708
- eISSN
- 1029-8479
- Language
- English
- Date published
- 01/01/2012
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984199682202771
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