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oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/157592026-10-18T20:30:36Zopenairedrivercom_ebyu_10000col_ebyu_10001

Measurement of the top-quark mass in t̄t events with lepton+jets final states in pp collisions at √s =7 TeVChatrchyan, S.Khachatryan, V.Sirunyan, A.M.Tumasyan, A.Adam, W.Aguilo, E.Bergauer, T.Dragicevic, M.Erö, J.Fabjan, C.Friedl, M.Frühwirth, R.Ghete, V.M.Hammer, J.Hörmann, N.Hrubec, J.Jeitler, M.Kiesenhofer, W.Knünz, V.Krammer, M.Krätschmer, I.Liko, D.Mikulec, I.Pernicka, M.Rahbaran, B.Rohringer, C.Rohringer, H.Schöfbeck, R.Strauss, J.Taurok, A.Waltenberger, W.Walzel, G.Widl, E.Wulz, C.-E.Mossolov, V.Shumeiko, N.Suarez Gonzalez, J.Bansal, M.Bansal, S.Cornelis, T.De Wolf, E.A.Janssen, X.Luyckx, S.Mucibello, L.Ochesanu, S.Roland, B.Rougny, R.Selvaggi, M.Staykova, Z.Van Haevermaet, H.Hadron-Hadron ScatteringThe 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.Springer Verlag2012Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/15759https://doi.org/10.1007/jhep12(2012)1051126-6708enJournal of High Energy Physicsinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/15759