Charged lepton flavor violating processes in neutrinophilic Higgs plus seesaw model

被引:2
|
作者
Haba, Naoyuki [1 ]
Omija, Tsuneharu [1 ]
Yamada, Toshifumi [1 ]
机构
[1] Shimane Univ, Grad Sch Sci & Engn, Matsue, Shimane 6908504, Japan
来源
关键词
SEARCH; CONVERSION;
D O I
10.1093/ptep/ptaa089
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigate charged lepton flavor violating (CLFV) processes in the "neutrinophilic Higgs + seesaw model", in which right-handed neutrinos couple only with an extra Higgs field which develops a tiny vacuum expectation value and the right-handed neutrinos also have Majorana mass. The model realizes a seesaw mechanism around TeV scale without extremely small DiracYukawa couplings. A phenomenological feature of the model is CLFV processes induced by loop diagrams of the charged scalar particles and heavy neutrinos. Therefore, first we constrain the model's parameter space from the search for mu -> e gamma. Next, we predict the branching ratios of other CLFV processes including the mu -> 3e, mu + Al -> e + Al, mu + Ti. e + Ti, Z -> e mu, Z -> et, Z -> mu t, h -> e tau and h -> mu t processes, and discuss their detectability in future experiments.
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页数:22
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