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| 題名: | Search for a very light NMSSM Higgs boson produced in decays of the 125 GeV scalar boson and decaying into τ leptons in pp collisions at √s=8 TeV |
| 作者: | 尚凱天;Tavernier, S.;Brun, H.;Caillol, C.;Clerbaux, B.;Seva, T.;Zenoni, F.;Crucy, S.;Poyraz, D.;Popov, A.;Beliy, N.;Da Costa, E. M.;Mercadante, P. G.;Romero Abad, D.;Chen, M.;Attikis, A.;Lampén, T.;Lehti, S.;Tuominen, E.;Strebler, T.;Coubez, X.;Courbon, B.;Ruiz Alvarez, J. D.;Sgandurra, L.;Klein, K.;Duchardt, D.;Reithler, H.;Pistone, C.;Lipka, K.;Pitzl, D.;Roland, B.;Nowatschin, D.;Chwalek, T.;Kyriakis, A.;Saoulidou, N.;Tziaferi, E.;Paradas, E.;Karancsi, J.;Kumar, Ashok;Garg, R. B.;Majumdar, N.;Kumar, V.;Sarkar, T.;Behnamian, H.;Fiore, L.;Cavallo, F. R.;Chiorboli, M.;Iorio, A. O. M.;Pazzini, J.;Obertino, M. M.;Candelise, V.;Gyun, D.;Nawrocki, K.;Olszewski, M.;Afanasiev, S.;Golutvin, I.;Smirnov, V.;Mesyats, G.;Azhgirey, I.;Delgado Peris, A.;Flix, J.;Cabrillo, I. J.;Di Marco, E.;Kousouris, K.;Lucchini, M. T.;Dissertori, G.;Hos, I.;Smith, D.;Dauncey, P.;Zevi Della Porta, G.;Pierini, M.;Vogel, H.;Skinnari, L.;Sun, W.;Banerjee, S.;Green, D.;Harris, R. M.;Lykken, J.;Weber, H. A.;Linn, S.;Martinez, G.;Johnson, K. F.;Zakaria, M.;Moeller, A.;Majumder, D.;Mohammadi, A.;Anelli, C.;Gomez, J. A.;Tonwar, S. C.;Baumgartel, D.;Pozdnyakov, A.;Trovato, M.;Brinkerhoff, A.;Planer, M.;Durkin, L. S.;Mooney, M.;Harel, A.;Petrillo, G.;Pakhotin, Y.;Safonov, A.;Perry, T. |
| 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: | 2016-01-01 |
| 上傳時間: | 2026-04-23 12:52:45 (UTC+8) |
| 出版者: | Springer Verlag;Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： A bstract A search for a very light Higgs boson decaying into a pair of τ leptons is presented within the framework of the next-to-minimal supersymmetric standard model. This search is based on a data set corresponding to an integrated luminosity of 19.7 fb −1 of proton-proton collisions collected by the CMS experiment at a centre-of-mass energy of 8 TeV. The signal is defined by the production of either of the two lightest scalars, h 1 or h 2 , via gluon-gluon fusion and subsequent decay into a pair of the lightest Higgs bosons, a 1 or h 1 . The h 1 or h 2 boson is identified with the observed state at a mass of 125 GeV. The analysis searches for decays of the a 1 (h 1 ) states into pairs of τ leptons and covers a mass range for the a 1 (h 1 ) boson of 4 to 8 GeV. The search reveals no significant excess in data above standard model background expectations, and an upper limit is set on the signal production cross section times branching fraction as a function of the a 1 (h 1 ) boson mass. The 95% confidence level limit ranges from 4.5 pb at m a 1 m h 1 = 8 GeV to 10.3 pb at m a 1 m h 1 = 5 GeV.
其他題名： J. High Energ. Phys
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2016-01-13
出處： The journal of high energy physics, 2016-01, Vol.2016 (1)
資源來源： Publicly Available Content Database
版權： The Author(s) 2016
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP01(2016)079 |
| 顯示於類別: | [物理學系] 期刊論文
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