Search for a charged Higgs boson in pp collisions at root s=8 TeV | |
CMS Collaboration | |
刊名 | JOURNAL OF HIGH ENERGY PHYSICS |
2015 | |
卷号 | 2015期号:11页码:18 |
关键词 | Hadron-Hadron Scattering Higgs physics Supersymmetry |
英文摘要 | A search for a charged Higgs boson is performed with a data sample corresponding to an integrated luminosity of 19.7 +/- 0.5 fb(-1) collected with the CMS detector in proton-proton collisions at root s = 8,TeV. The charged Higgs boson is searched for in top quark decays for m(H +/-) < m(t) - m(b), and in the direct production pp -> t(b)H-+/- for m(H +/-) > m(t) - m(b). The H-+/- -> tau(+/-)nu(tau) and H-+/- -> tb decay modes in the final states tau(h)+jets, mu tau(h), l+jets, and ll' (l =e, mu) are considered in the search. No signal is observed and 95% confidence level upper limits are set on the charged Higgs boson production. A model-independent upper limit on the product branching fraction B(t -> H(+/-)b) B(H-+/- -> tau(+/-)nu(tau)) = 1.2-0.15% is obtained in the mass range m(H +/-) = 80-160 GeV, while the upper limit on the cross section times branching fraction sigma(pp -> t(b)H-+/-) B(H-+/- -> tau(+/-)nu(tau)) = 0.38-0.025 pb is set in the mass range m(H)+ = 180-600 GeV. Here, sigma(pp -> t(b)H-+/-) stands for the cross section sum sigma(pp -> (t) over bar H+) + sigma(pp -> t (b) over bar H-). Assuming B(t -> H(+/-)b) = 1, an upper limit on sigma(pp -> t(b)H-+/-) of 2.0-0.13 pb is set for m(H +/-) = 180-600 GeV. The combination of all considered decay modes and final states is used to set exclusion limits in the m(H +/-)-tan beta parameter space in different MSSM benchmark scenarios. |
学科主题 | Physics |
类目[WOS] | Physics, Particles & Fields |
收录类别 | SCI |
WOS记录号 | WOS:000365006400001 |
公开日期 | 2016-05-03 |
内容类型 | 期刊论文 |
源URL | [http://ir.ihep.ac.cn/handle/311005/228814] |
专题 | 高能物理研究所_粒子天体物理中心 |
推荐引用方式 GB/T 7714 | CMS Collaboration. Search for a charged Higgs boson in pp collisions at root s=8 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015,2015(11):18. |
APA | CMS Collaboration.(2015).Search for a charged Higgs boson in pp collisions at root s=8 TeV.JOURNAL OF HIGH ENERGY PHYSICS,2015(11),18. |
MLA | CMS Collaboration."Search for a charged Higgs boson in pp collisions at root s=8 TeV".JOURNAL OF HIGH ENERGY PHYSICS 2015.11(2015):18. |
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