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Author  |
Han, X.F.; Wang, L.; Yang, J.M. |
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Title |
An extension of two-Higgs-doublet model and the excesses of 750 GeV diphoton, muon g-2 and h -> μτ |
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Journal Article |
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Year |
2016 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
757 |
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Pages |
537-547 |
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Abstract |
In this paper we simultaneously explain the excesses of the 750 GeV diphoton, muon g-2 and h -> μtau 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 -> μgamma, 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 -> μtau. 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. |
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Address |
[Han, Xiao-Fang; Wang, Lei] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China, Email: leiwang@ytu.edu.cn |
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Publisher |
Elsevier Science Bv |
Place of Publication |
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Language |
English |
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Original Title |
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Series Volume |
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Edition |
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ISSN |
0370-2693 |
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Notes |
WOS:000376800300075 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
2699 |
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