Search for a low-mass pseudoscalar Higgs boson produced in association with a bb‾ pair in pp collisions at √s=8 TeV

Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/105688

Title:	Search for a low-mass pseudoscalar Higgs boson produced in association with a bb‾ pair in pp collisions at √s=8 TeV
Authors:	林宗泰;Sirunyan, A.M.;Hartl, C.;Jeitler, M.;Knutsson, A.;Abu Zeid, S.;Van Driessche, W.;Bondu, O.;Quertenmont, L.;Belchior Batista Das Chagas, E.;Carvalho, W.;Tao, J.;Antunovic, Z.;Luukka, P.;Talvitie, J.;Gras, P.;Gadrat, S.;Feld, L.;Erdogan, Y.;Choudhury, S.;Karacheban, O.;Panagiotou, A.;Foudas, C.;Loukas, N.;Karancsi, J.;Mal, P.;Chatterjee, K.;Topkar, A.;Bhowmik, S.;Dugad, S.;Majumder, G.;Safarzadeh, B.;Benvenuti, A.C.;Campanini, R.;Cavallo, F.R.;Gennai, S.;Benato, L.;Magnani, A.;Montagna, P.;Menichelli, M.;Bellan, R.;Zanetti, A.;Nam, S.K.;Kim, Y.;Lee, J.S.H.;Bluj, M.;Vadruccio, D.;Azhgirey, I.;Uzunian, A.;Marco, J.;Bloch, P.;Funk, W.;Innocente, V.;Martelli, A.;Masetti, L.;Pfeiffer, A.;Hits, D.;Hinzmann, A.;Khurana, R.;Dumanoglu, I.;Polatoz, A.;Goldstein, J.;Brown, R.M.;Olaiya, E.;Worm, S.D.;Baber, M.;Casasso, S.;Citron, M.;Malik, S.;Tapper, A.;Kasmi, A.;Erbacher, R.;Lacroix, F.;Spiropulu, M.;Alexander, J.;Soffi, L.;Tucker, J.;Soha, A.;Taylor, L.;Carver, M.;Martinez, G.;Hagopian, V.;Adams, M.R.;Gauthier, L.;Bilki, B.;Wetzel, J.;Osherson, M.;Wang, Q.;Ivanov, A.;Baron, O.;Iiyama, Y.;Nourbakhsh, S.;Lujan, P.;Mooney, M.;Shi, X.;Michlin, B.;Roberts, J.;Gershtein, Y.;Thomassen, P.;Dasu, S.;Taylor, D.
Contributors:	理學院物理學系
Keywords:	Bosons;CMS;Collisions;Confidence intervals;Cross sections;Elementary particles;Higgs;Higgs bosons;Physics;Searching
Date:	2016-07-10
Issue Date:	2026-04-23 12:47:38 (UTC+8)
Publisher:	Elsevier B.V
Abstract:	摘要： A search is reported for a light pseudoscalar Higgs boson decaying to a pair of τ leptons, produced in association with a bb‾ pair, in the context of two-Higgs-doublet models. The results are based on pp collision data at a centre-of-mass energy of 8 TeV collected by the CMS experiment at the LHC and corresponding to an integrated luminosity of 19.7 fb−1. Pseudoscalar boson masses between 25 and 80 GeV are probed. No evidence for a pseudoscalar boson is found and upper limits are set on the product of cross section and branching fraction to τ pairs between 7 and 39 pb at the 95% confidence level. This excludes pseudoscalar A bosons with masses between 25 and 80 GeV, with SM-like Higgs boson negative couplings to down-type fermions, produced in association with bb‾ pairs, in Type II, two-Higgs-doublet models. 出版者： Elsevier B.V 出版日期： 2016-07-10 出處： Physics letters. B, 2016-07, Vol.758 (C), p.296-320 資源來源： Elsevier ScienceDirect Journals Complete - Autoholdings 版權： 2016 The Author(s) 識別號： ISSN: 0370-2693 識別號： EISSN: 1873-2445 識別號： DOI: 10.1016/j.physletb.2016.05.003
Appears in Collections:	[Department of Physics] journal & Dissertation

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