Lepton masses and mixing in a scotogenic model

被引：5

作者：

Fortes, E. C. F. S. ^{[1
,2
]}

Machado, A. C. B. ^{[3
]}

Montano, J. ^{[4
]}

Pleitez, V ^{[5
]}

机构：

[1] Univ Fed Pampa, R Luiz Joaquim de Sa Brito S-N, BR-97650000 Itaqui, RS, Brazil

[2] Inst Nacl Pesquisas Espaciais, Av Astronautas 1758, BR-12227010 Sao Jose Dos Campos, SP, Brazil

[3] Univ Fed ABC, Ctr Ciencias Nat & Humanas, BR-09210170 Santo Andre, SP, Brazil

[4] Univ Michoacana, CONACYT Fac Ciencias Fis Matemat, Av Francisco J Mugica S-N, Morelia 58060, Michoacan, Mexico

[5] Univ Estadual Paulista, Inst Fis Teor, R Dr Bento Teobaldo Ferraz 271, BR-01140070 Sao Paulo, SP, Brazil

来源：

PHYSICS LETTERS B | 2020年 / 803卷

基金：

巴西圣保罗研究基金会;

关键词：

SYMMETRY-BREAKING; HIGGS; SEARCH; DECAYS;

D O I：

10.1016/j.physletb.2020.135289

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider an extension of the standard model with three Higgs doublets and S-3 x Z(2) discrete symmetries. Two of the scalar doublets are inert due to the S-3 symmetry and the Z(2) symmetry ensures that the right-handed neutrinos generate active neutrinos masses at one-loop via the scotogenic mechanism. We have also calculated all the mass spectra in the scalar and lepton sectors and accommodated the leptonic mixing matrix as well. Constraints on the parameters of the model coming from the lepton flavor violating decay mu -> e gamma are obtained, using the current and the upcoming experimental limits. We also use those constraints to predict the induced mu -> ee (e ) over bar channel at one-loop. (C) 2020 Published by Elsevier B.V.

引用

页数：12

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