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| 題名: | Measurement of the W+W− and ZZ production cross sections in pp collisions at √s=8TeV |
| 作者: | 張元翰;Chatrchyan, S.;Mossolov, V.;Da Costa, E.M.;Dias, F.A.;Fernandez Perez Tomei, T.R.;Iaydjiev, P.;Litov, L.;Kuotb Awad, A.M.;Couderc, F.;Faure, J.L.;Givernaud, A.;Bianchini, L.;Veelken, C.;Collard, C.;Drouhin, F.;Chierici, R.;Schael, S.;Heidemann, C.;Sauerland, P.;Dorland, T.;Gunnellini, P.;Knutsson, A.;Ribeiro Cipriano, P.M.;Salfeld-Nebgen, J.;Erfle, J.;Gosselink, M.;Steinbrück, G.;Böser, C.;Niegel, M.;Weiler, T.;Kesisoglou, S.;Manthos, N.;Naimuddin, M.;Ranjan, K.;Saxena, P.;Odorici, F.;Di Matteo, L.;Lista, L.;Santocchia, A.;Kraan, A.;Del Re, D.;Diemoz, M.;Rahatlou, S.;Park, C.;Shah, M.A.;Popov, V.;Zhokin, A.;Perfilov, M.;Grishin, V.;Krpic, D.;Milosevic, J.;Garcia-Abia, P.;Redondo, I.;Lloret Iglesias, L.;Marco, J.;Vilar Cortabitarte, R.;Auzinger, G.;Breuker, H.;Lourenço, C.;Weber, H.A.;Millan Mejias, B.;Ferro, C.;Majumder, D.;Bakirci, M.N.;Hos, I.;Kangal, E.E.;Karaman, T.;Bahtiyar, H.;Coughlan, J.A.;Petyt, D.;Shepherd-Themistocleous, C.H.;Cutajar, M.;Wakefield, S.;Leslie, D.;Turner, M.;Landsberg, G.;Cline, D.;Sumowidagdo, S.;Kelley, R.;Lebourgeois, M.;West, C.;Di Marco, E.;Smith, J.G.;Beretvas, A.;Maeshima, K.;Spiegel, L.;Whitmore, J.;Gartner, J.;Hewamanage, S.;Mans, J.;Hughes, R.;Barnes, V.E.;Lath, A.;Patel, R.;Khotilovich, V.;Osipenkov, I.;Lee, S.W.;Dasu, S.;Lanaro, A.;Palmonari, F. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | CMS;Physics;W and Z pair production |
| 日期: | 2013-04-25 |
| 上傳時間: | 2026-04-23 12:22:05 (UTC+8) |
| 出版者: | Netherlands: Elsevier B.V |
| 摘要: | 摘要： The W+W− and ZZ production cross sections are measured in proton–proton collisions at s=8 TeV with the CMS experiment at the LHC in data samples corresponding to an integrated luminosity of up to 5.3 fb−1. The measurements are performed in the leptonic decay modes W+W−→ℓ′νℓ″ν and ZZ→2ℓ2ℓ′, where ℓ=e,μ and ℓ′(ℓ″)=e,μ,τ. The measured cross sections σ(pp→W+W−)=69.9±2.8(stat.)±5.6(syst.)±3.1(lum.) pb and σ(pp→ZZ)=8.4±1.0(stat.)±0.7(syst.)±0.4(lum.) pb, for both Z bosons produced in the mass region 60<mZ<120 GeV, are consistent with standard model predictions. These are the first measurements of the diboson production cross sections at s=8 TeV.
出版者： Netherlands: Elsevier B.V
出版日期： 2013-04-25
出處： Physics letters. B, 2013-04, Vol.721 (4-5), p.190-211
資源來源： Elsevier ScienceDirect Journals Complete
版權： 2013 CERN
識別號： ISSN: 0370-2693
識別號： EISSN: 1873-2445
識別號： DOI: 10.1016/j.physletb.2013.03.027 |
| 顯示於類別: | [物理學系] 期刊論文
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