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题名: An extension of two-Higgs-doublet model and the excesses of 750 GeV diphoton, muon g-2 and h -> mu tau
作者: Han, XF ;  Wang, L ;  Yang, JM
刊名: PHYSICS LETTERS B
出版日期: 2016
卷号: 757, 页码:537-547
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1016/j.physletb.2016.04.036
通讯作者: Wang, L (reprint author), Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
文章类型: Article
英文摘要: In this paper we simultaneously explain the excesses of the 750 GeV diphoton, muon g-2 and h -> mu tau in an extension of the two-Higgs-doublet model (2HDM) with additional vector-like fermions and a CP-odd scalar singlet (P) which is identified as the 750 GeV resonance. This 750 GeV resonance has a mixing with the CP-odd scalar (A) from a second scalar doublet, which leads to a coupling between P and the SM particles as well as a coupling between A and the vector-like fermions. Such mixing and couplings are strongly constrained by tau -> mu gamma, muon g-2 and the 750 GeV diphoton data. We scan over the parameter space and find that such an extension can simultaneously account for the observed excesses of 750 GeV diphoton, muon g-2 and h -> mu tau. The 750 GeV resonance decays in exotic modes, such as P -> hA, P -> H Z, P -> H A and P -> W-+/- H--/+ and its width can be dozens of GeV and is sensitive to the mixing angle. (C) 2016 The Authors. Published by Elsevier B.V.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: HIGGS ;  RESONANCE ;  CONSTRAINTS ;  SEARCH ;  DECAYS
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11575152, 11305049, 11275057, 11405047, 11275245, 10821504, 11135003] ;  Spanish Government ;  ERDF funds from the EU Commission [FPA2014-53631-C2-1-P, SEV-2014-0398, FPA2011-23778] ;  CAS Center for Excellence in Particle Physics (CCEPP)
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21623
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Han, XF,Wang, L,Yang, JM. An extension of two-Higgs-doublet model and the excesses of 750 GeV diphoton, muon g-2 and h -> mu tau[J]. PHYSICS LETTERS B,2016,757:537-547.
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