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题名: Lepton-specific two-Higgs-doublet model: Experimental constraints and implication on Higgs phenomenology
作者: Cao, Junjie ;  Wan, Peihua ;  Wu, Lei ;  Yang, Jin Min
刊名: PHYSICAL REVIEW D
出版日期: 2009
卷号: 80, 期号:7, 页码:-
关键词: E(+)E(-) COLLISIONS ;  OPAL DETECTOR ;  SEARCH ;  BOSONS ;  SCALARS ;  LEP2
学科分类: Physics
通讯作者: Cao, JJ , Henan Normal Univ, Coll Phys & Informat Engn, Xinxiang 453007, Peoples R China
部门归属: [Cao, JJ; Wan, PH; Wu, L] Henan Normal Univ, Coll Phys & Informat Engn, Xinxiang 453007, Peoples R China; [Yang, JM] Acad Sinica, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Yang, JM] Acad Sinica, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: We examine various direct and indirect constraints on the lepton-specific two-Higgs-doublet model and scrutinize the property of the Higgs bosons in the allowed parameter space. We find that in the allowed parameter space the CP-odd Higgs boson A is rather light (m(A) < 30 GeV with 95% possibility), which is composed dominantly by the leptonic Higgs and decays dominantly into tau(+) tau(-); while the standard-model-like Higgs boson h (responsible largely for electroweak symmetry breaking) decays dominantly in the mode h -> AA -> 4 tau with a large decay width, which will make the Higgs discovery more difficult at the LHC, whereas this scenario predicts a branching ratio Br(Z -> tau(+) tau(-) A) ranging from 10(-5) to 10(-4), which may be accessible at the GigaZ option of the International Linear Collider.
资助者: National Natural Science Foundation of China (NNSFC)[10505007, 10821504, 10725526, 10635030]; HASTIT[2009HASTIT004]; Chinese Academy of Sciences[KJCX2.YW.W10]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000271353400007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5229
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Cao, Junjie,Wan, Peihua,Wu, Lei,et al. Lepton-specific two-Higgs-doublet model: Experimental constraints and implication on Higgs phenomenology[J]. PHYSICAL REVIEW D,2009,80(7):-.
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