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题名: Revisiting B-s -> mu(+) mu(-) in the two-Higgs doublet models with Z(2) symmetry
作者: Cheng, XD ;  Yang, YD ;  Yuan, XB
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2016
卷号: 76, 期号:3, 页码:151
学科分类: Physics
DOI: http://dx.doi.org/10.1140/epjc/s10052-016-3930-2
通讯作者: Cheng, XD ;  Yang, YD (reprint author), Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China. ;  Cheng, XD ;  Yang, YD (reprint author), Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China. ;  Cheng, XD (reprint author), Xinyang Normal Univ, Coll Phys & Elect Engn, Xinyang 464000, Henan, Peoples R China. ;  Yuan, XB (reprint author), Yonsei Univ, Dept Phys, Seoul 120749, South Korea. ;  Yuan, XB (reprint author), Yonsei Univ, IPAP, Seoul 120749, South Korea. ;  Yuan, XB (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We revisit the rare leptonic decay B-s -> mu(+) mu(-) in the two-Higgs doublet models (2HDMs) with a softly broken Z(2) symmetry, namely type-I, type-II, type-X and type-Y 2HDMs. We have derived the relevant full one-loop Wilson coefficients of the four 2HDMs from the recent calculation in the aligned 2HDM by Li, Lu and Pich, which could be mapped to all the four 2HDMs for both large and small tan beta. It is found that a new term associated with the soft Z(2) symmetry breaking parameter M can be enhanced by tan(2) beta in the type-II 2HDM, which has not been considered in the literature. Imposing both theoretical and experimental constraints, we have renewed the bounds on the parameter spaces of the four 2HDMs. Different from our previous paper, however, we find that all the four 2HDMs give sizable and similar contributions to (B) over bar (B-s -> mu(+) mu(-)) within the stringently restricted parameter spaces, but very tiny as regards the mass-eigenstate rate asymmetry A(Delta Gamma); this makes it unfeasible to discriminate the four types of 2HDM with the correlations between the observables in B-s -> mu(+) mu(-) decay.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: CHARGED HIGGS BOSONS ;  2-HIGGS-DOUBLET MODEL ;  STANDARD MODEL ;  TOP-QUARK ;  ATLAS DETECTOR ;  CONSERVATION-LAWS ;  NEUTRAL CURRENTS ;  QCD CORRECTIONS ;  RARE DECAYS ;  8 TEV
收录类别: SCI
项目资助者: National Natural Science Foundation of China (NSFC) [11225523, 11221504, 11435003] ;  NRF grant - Korean government of the MEST [2011-0017430, 2011-0020333] ;  Open Project Program of SKLTP, ITP, CAS [Y4KF081CJ1]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21730
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Cheng, XD,Yang, YD,Yuan, XB. Revisiting B-s -> mu(+) mu(-) in the two-Higgs doublet models with Z(2) symmetry[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(3):151.
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