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| 題名: | Measurement of the top-quark mass in t̄t events with lepton+jets final states in pp collisions at √s =7 TeV |
| 作者: | 張元翰;Chatrchyan, S.;Bansal, M.;Cornelis, T.;Walsh, S.;Giammanco, A.;Correa Martins, M.;Pol, M. E.;Mercadante, P. G.;Asawatangtrakuldee, C.;Antunovic, Z.;Morovic, S.;Mousa, J.;Tuominiemi, J.;Nayak, A.;Kreuzer, P.;Aldaya Martin, M.;Hauk, J.;Kasemann, M.;Görner, M.;Dierlamm, A.;Rabbertz, K.;Wagner-Kuhr, J.;Kesisoglou, S.;Szillasi, Z.;Bhatnagar, V.;Kumar, Ashok;Mohammadi Najafabadi, M.;Venditti, R.;Castro, A.;Meneghelli, M.;Sguazzoni, G.;Buontempo, S.;Dogangun, O.;Kanishchev, K.;Santocchia, A.;Giassi, A.;Demaria, N.;Potenza, A.;Vilela Pereira, A.;Cossutti, F.;Montanino, D.;Kim, J. Y.;Castilla-Valdez, H.;Butler, P. H.;Silverwood, H.;Kazana, M.;Nawrocki, K.;Bunin, P.;Murzin, V.;Semenov, S.;Kodolova, O.;Perfilov, M.;Adzic, P.;Benitez, J. F.;Bocci, A.;Lee, Y.-J.;Casal, B.;De Visscher, S.;Otiougova, P.;Eskut, E.;Gülmez, E.;Heath, G. P.;Senkin, S.;Basso, L.;Hays, J.;Henderson, C.;Calderon De La Barca Sanchez, M.;Cline, D.;Kelley, R.;Lebourgeois, M.;Mangano, B.;Simon, S.;Kalavase, P.;Thom, J.;Winstrom, L.;Chlebana, F.;Harris, R. M.;Kilminster, B.;Maeshima, K.;McBride, P.;Milenovic, P.;Martinez, G.;Hagopian, V.;Gerber, C. E.;Onel, Y.;Rappoccio, S.;Calvert, B.;Gomez, J. A.;Goncharov, M.;Sumorok, K.;Hildreth, M.;Pearson, T.;Gerbaudo, D.;Werner, J. S.;Merkel, P.;Salur, S.;Hollingsworth, M.;Sakuma, T.;Florez, C.;Karchin, P. E. |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2012-12-01 |
| 上傳時間: | 2026-04-23 12:20:11 (UTC+8) |
| 出版者: | United States: Springer Berlin |
| 摘要: | 摘要： The mass of the top quark is measured using a sample of$ \mathrm{t}\overline{\mathrm{t}} $candidate events with one electron or muon and at least four jets in the final state, collected by CMS in pp collisions at$ \sqrt{s}=7 $TeV at the LHC. A total of 5174 candidate events is selected from data corresponding to an integrated luminosity of 5.0 fb −1 . For each event the mass is reconstructed from a kinematic fit of the decay products to a$ \mathrm{t}\overline{\mathrm{t}} $hypothesis. The top-quark mass is determined simultaneously with the jet energy scale (JES), constrained by the known mass of the W boson in$ \mathrm{q}\overline{\mathrm{q}} $decays, to be 173.49 ± 0.43 (stat. + JES) ±0.98 (syst.) GeV.
出版者： United States: Springer Berlin
出版日期： 2012-12
出處： Journal of High Energy Physics (Online), 2012-12, Vol.2012 (12), Article 105
資源來源： Publicly Available Content Database
識別號： ISSN: 1029-8479
識別號： ISSN: 1126-6708
識別號： ISSN: 1127-2236
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP12(2012)105 |
| 顯示於類別: | [物理學系] 期刊論文
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