Search for neutral Higgs bosons decaying to tau pairs in pp collisions at s=7TeV

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题名:	Search for neutral Higgs bosons decaying to tau pairs in pp collisions at s=7TeV
作者:	張元翰;Chatrchyan, S.;Cornelis, T.;Lellouch, J.;Walsh, S.;Giammanco, A.;Mundim, L.;Mercadante, P.G.;Polic, D.;Müntel, M.;Faure, J.L.;Givernaud, A.;Bianchini, L.;Brom, J.-M.;Collard, C.;Drouhin, F.;Sordini, V.;Zhukov, V.;Erdmann, M.;Reithler, H.;Geenen, H.;Behrenhoff, W.;Knutsson, A.;Schmidt, R.;Blobel, V.;Hermanns, T.;Troendle, D.;Loukas, D.;Singh, J.;Choudhury, R.K.;Pant, L.M.;Frosali, S.;Colafranceschi, S.;Fabbricatore, P.;Lista, L.;Dosselli, U.;Tosi, M.;Romeo, F.;Santocchia, A.;Castaldi, R.;DʼAgnolo, R.T.;Giassi, A.;Fanelli, C.;Rahatlou, S.;Gallinaro, M.;Dermenev, A.;Safronov, G.;Perfilov, M.;Albajar, C.;DʼEnterria, D.;Hoffmann, H.F.;Malgeri, L.;Spiga, D.;Horisberger, R.;Sibille, J.;Chanon, N.;Lecomte, P.;Treille, D.;Lu, R.-S.;Yalvac, M.;Olaiya, E.;Nandi, R.;Chauhan, S.;Searle, M.;Wimpenny, S.;Letts, J.;Mangano, B.;Padhi, S.;Sfiligoi, I.;Würthwein, F.;Stuart, D.;Bunn, J.;Teo, W.D.;Chlebana, F.;Esen, S.;Freeman, J.;Gottschalk, E.;Mishra, K.;Fu, Y.;Lebolo, L.M.;Bazterra, V.E.;Gritsan, A.V.;Guo, Z.J.;Hu, G.;Swartz, M.;Kenny Iii, R.P.;Khalil, S.;Lange, D.;Paus, C.;Claes, D.R.;Marinelli, N.;Berry, E.;Raval, A.;Stickland, D.;Kress, M.;Svyatkovskiy, A.;Boulahouache, C.;Gilmore, J.;Cox, B.;Kottachchi Kankanamge Don, C.;Lazaridis, C.
贡献者:	理學院物理學系
关键词:	CMS;Exact sciences and technology;Higgs;Nuclear physics;Physics;The physics of elementary particles and fields
日期:	2012-06-21
上传时间:	2026-04-23 13:29:04 (UTC+8)
出版者:	Kidlington: Elsevier B.V
摘要:	摘要： A search for neutral Higgs bosons decaying to tau pairs at a center-of-mass energy of 7 TeV is performed using a dataset corresponding to an integrated luminosity of 4.6 fb−1 recorded by the CMS experiment at the LHC. The search is sensitive to both the standard model Higgs boson and to the neutral Higgs bosons predicted by the minimal supersymmetric extension of the standard model (MSSM). No excess of events is observed in the tau-pair invariant-mass spectrum. For a standard model Higgs boson in the mass range of 110–145 GeV upper limits at 95% confidence level (CL) on the production cross section are determined. We exclude a Higgs boson with mH=115 GeV with a production cross section 3.2 times of that predicted by the standard model. In the MSSM, upper limits on the neutral Higgs boson production cross section times branching fraction to tau pairs, as a function of the pseudoscalar Higgs boson mass, mA, sets stringent new bounds in the parameter space, excluding at 95% CL values of tanβ as low as 7.1 at mA=160 GeV in the mhmax benchmark scenario. 出版者： Kidlington: Elsevier B.V 出版日期： 2012-06-21 出處： Physics letters. B, 2012-06, Vol.713 (2), p.68-90 資源來源： ScienceDirect (AI-Powered) 版權： 2012 CERN 版權： 2015 INIST-CNRS 識別號： ISSN: 0370-2693 識別號： EISSN: 1873-2445 識別號： DOI: 10.1016/j.physletb.2012.05.028 識別號： CODEN: PYLBAJ
显示于类别:	[物理學系] 期刊論文

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