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| 題名: | Measurement of differential and integrated fiducial cross sections for Higgs boson production in the four-lepton decay channel in pp collisions at √s = 7 and 8 TeV |
| 作者: | 余欣珊;Alderweireldt, S.;Blekman, F.;Yonamine, R.;Benucci, L.;Bruno, G.;Pin, A.;Alves, G. A.;Malbouisson, H.;Pavlov, B.;Petkov, P.;Spiezia, A.;Cabrera, A.;Attikis, A.;Lampén, T.;Lehti, S.;Tuominen, E.;Strebler, T.;Coubez, X.;Courbon, B.;Ruiz Alvarez, J. D.;Sgandurra, L.;Klein, K.;Kuessel, Y.;Bartosik, N.;Behrens, U.;Flucke, G.;Centis Vignali, M.;Hoffmann, M.;Kyriakis, A.;Paradas, E.;Karancsi, J.;Kumar, Ashok;Garg, R. B.;Majumdar, N.;Kumar, V.;Sarkar, T.;Fahim, A.;Pugliese, G.;Piccolo, D.;Calvelli, V.;Menasce, D.;Rahatlou, S.;Santanastasio, F.;Kim, M. S.;Oh, Y. D.;Kim, H.;Kim, J. H.;Vazquez Valencia, F.;Romanowska-Rybinska, K.;Vadruccio, D.;Moisenz, P.;Epshteyn, V.;Spiridonov, A.;Dremin, I.;Baskakov, A.;Redondo, I.;de Trocóniz, J. F.;Vizan Garcia, J. M.;Calderon, A.;D’Alfonso, M.;Hammer, J.;Lecoq, P.;Renker, D.;Kasieczka, G.;Masciovecchio, M.;Tavolaro, V. R.;Bartek, R.;Grundler, U.;Zeyrek, M.;Grimes, M.;Dauncey, P.;Garabedian, A.;Yohay, R.;Kennedy, E.;Lacroix, F.;Welke, C.;Anderson, D.;Mott, A.;Sun, W.;Ma, P.;Mei, H.;Adams, J. R.;Askew, A.;Berry, D.;Makouski, M.;Toda, S.;Mignerey, A. C.;Morse, D. M.;Hahn, K. A.;Sun, J.;Padley, B. P.;Demina, R.;Patel, R.;Safonov, A.;Libeiro, T.;Greene, S.;Gurrola, A.;Maguire, C.;Snook, B.;Pierro, G. A. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Classical and Quantum Gravitation;Elementary Particles;Physics;Physics and Astronomy;Quantum Field Theories;Quantum Field Theory;Quantum Physics;Regular Article - Experimental Physics;Relativity Theory;String Theory |
| 日期: | 2016-04-01 |
| 上傳時間: | 2026-04-23 12:09:31 (UTC+8) |
| 出版者: | Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： A bstract Integrated fiducial cross sections for the production of four leptons via the H → 4 ℓ decays ( ℓ = e, μ ) are measured in pp collisions at s = 7 and 8TeV. Measurements are performed with data corresponding to integrated luminosities of 5.1 fb −1 at 7TeV, and 19.7 fb −1 at 8 TeV, collected with the CMS experiment at the LHC. Differential cross sections are measured using the 8 TeV data, and are determined as functions of the transverse momentum and rapidity of the four-lepton system, accompanying jet multiplicity, transverse momentum of the leading jet, and difference in rapidity between the Higgs boson candidate and the leading jet. A measurement of the Z → 4 ℓ cross section, and its ratio to the H → 4 ℓ cross section is also performed. All cross sections are measured within a fiducial phase space defined by the requirements on lepton kinematics and event topology. The integrated H → 4 ℓ fiducial cross section is measured to be 0. 56 − 0.44 + 0.67 (stat) − 0.06 + 0.21 (syst) fb at 7 TeV, and 1. 11 − 0.35 + 0.41 (stat) − 0.10 + 0.14 (syst) fb at 8 TeV. The measurements are found to be compatible with theoretical calculations based on the standard model.
其他題名： J. High Energ. Phys
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2016-04-01
出處： The journal of high energy physics, 2016-04, Vol.2016 (4)
資源來源： Springer Nature Open Access Journals (NTUSG)
版權： The Author(s) 2016
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP04(2016)005 |
| 顯示於類別: | [物理學系] 期刊論文
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