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| 題名: | Measurement of the tt� production cross section in pp collisions at [Formula presented] TeV with lepton + jets final states |
| 作者: | 張元翰;Chatrchyan, S.;Bansal, M.;Cornelis, T.;Schul, N.;Beliy, N.;Mundim, L.;Novaes, S.F.;Genchev, V.;Teng, H.;Luukka, P.;Besancon, M.;Millischer, L.;Charlot, C.;Dahms, T.;Mirabito, L.;Perieanu, A.;Haj Ahmad, W.;Marienfeld, M.;Görner, M.;Hackstein, C.;Lobelle Pardo, P.;Oehler, A.;Wagner-Kuhr, J.;Kesisoglou, S.;Szillasi, Z.;Bhatnagar, V.;Kumar, Ashok;Mohammadi Najafabadi, M.;Benvenuti, A.C.;Giacomelli, P.;Marcellini, S.;Tosi, S.;Margoni, M.;Spiezia, A.;DellʼOrso, R.;Micheli, F.;Musich, M.;Belforte, S.;Kim, H.;Lee, K.S.;Shah, M.A.;Karjavin, V.;Gninenko, S.;Vlasov, E.;Klyukhin, V.;Bayshev, I.;Gomez, G.;Frisch, B.;Sphicas, P.;Horisberger, R.;Rohe, T.;Dittmar, M.;Lecomte, P.;Nägeli, C.;Amsler, C.;Verzetti, M.;Li, S.W.;Shiu, J.G.;Ozpineci, A.;Kreczko, L.;Cripps, N.;Nikitenko, A.;Pioppi, M.;Hobson, P.R.;Turner, M.;Kukartsev, G.;Lander, R.;Clare, R.;Giordano, F.;Holzner, A.;Sudano, E.;Spiropulu, M.;Timciuc, V.;Vogel, H.;Alexander, J.;Berryhill, J.;Gao, Y.;Newman-Holmes, C.;Sexton-Kennedy, E.;Uplegger, L.;Kim, B.;Korytov, A.;Rodriguez, J.L.;Jenkins, M.;Albayrak, E.A.;Gronberg, J.;Dutta, V.;Roland, C.;Singovsky, A.;Schmitt, M.;Lynch, S.;Zabel, J.;Salur, S.;Damgov, J.;Jeong, C.;Libeiro, T.;Greene, S.;Tuo, S.;Loveless, R.;Smith, W.H. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | CMS;Cross section;LHC;Physics;Top quark |
| 日期: | 2013-03-13 |
| 上傳時間: | 2026-04-23 12:21:14 (UTC+8) |
| 出版者: | Netherlands: Elsevier B.V |
| 摘要: | 摘要： A measurement of the tt¯ production cross section in pp collisions at s=7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2.3 fb−1 collected by the CMS detector at the LHC. Selected events are required to have one isolated, high transverse momentum electron or muon, large missing transverse energy, and hadronic jets, at least one of which must be consistent with having originated from a b quark. The measured cross section is 158.1±2.1(stat.)±10.2(syst.)±3.5(lum.) pb, in agreement with standard model predictions.
出版者： Netherlands: Elsevier B.V
出版日期： 2013-03-13
出處： Physics letters. B, 2013-03, Vol.720 (1-3), p.83-104
資源來源： Elsevier ScienceDirect Journals Complete - Autoholdings
版權： 2013 CERN
識別號： ISSN: 0370-2693
識別號： EISSN: 1873-2445
識別號： DOI: 10.1016/j.physletb.2013.02.021 |
| 顯示於類別: | [物理學系] 期刊論文
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