Lepton flavor violating decay of SM-like Higgs boson in a radiative neutrino mass model

被引：17
作者：
Thuc, T. T. [1 ]
Hue, L. T. [1 ]
Long, H. N. [2 ,3 ]
Nguyen, T. Phong [4 ]
机构：
[1] Vietnam Acad Sci & Technol, Inst Phys, 10 Dao Tan, Hanoi 100000, Vietnam
[2] Ton Duc Thang Univ, Theoret Particle Phys & Cosmol Res Grp, Ho Chi Minh City 700000, Vietnam
[3] Ton Duc Thang Univ, Fac Sci Appl, Ho Chi Minh City 700000, Vietnam
[4] Cantho Univ, Dept Phys, 3-2 St, Ninh Kieu 900000, Cantho, Vietnam
来源：
PHYSICAL REVIEW D | 2016年 / 93卷 / 11期
关键词：
STANDARD-MODEL; MU-TAU; COUPLINGS; DIPHOTON; SEARCH;
D O I：
10.1103/PhysRevD.93.115026
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The lepton flavor violating decay of the Standard Model-like Higgs boson (LFVHD) is discussed in the framework of the radiative neutrino mass model built in [K. Nishiwaki, H. Okada, and Y. Orikasa, Phys. Rev. D 92, 093013 (2015)]. The branching ratio (BR) of the LFVHD is shown to reach 10(-5) in the most interesting region of the parameter space shown in [K. Nishiwaki, H. Okada, and Y. Orikasa, Phys. Rev. D 92, 093013 (2015)]. The dominant contributions come from the singly charged Higgs mediations, namely, the coupling of h(2)(+) with exotic neutrinos. Furthermore, if the doubly charged Higgs boson is heavy enough to allow the mass of h(2)(+) around 1 TeV, the mentioned BR can reach 10(-4). In addition, we obtain that the large values of Br(h -> mu tau). lead to very small ones of Br(h -> e tau), much smaller than the various sensitivities of current experiments.
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页数：14
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