Simple interpretations of lepton anomalies in the lepton-specific inert two-Higgs-doublet model

被引：77

作者：

Han, Xiao-Fang ^{[1
]}

Li, Tianjun ^{[2
,3
]}

Wang, Lei ^{[1
]}

Zhang, Yang ^{[4
]}

机构：

[1] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China

[2] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China

[3] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[4] Monash Univ, Sch Phys & Astron, ARC Ctr Excellence Particle Phys Tera Scale, Melbourne, Vic 3800, Australia

来源：

PHYSICAL REVIEW D | 2019年 / 99卷 / 09期

基金：

中国国家自然科学基金;

关键词：

G-2;

D O I：

10.1103/PhysRevD.99.095034

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

There exist about 3.7 sigma positive and 2.4 sigma negative deviations in the muon and electron anomalous magnetic moments (g - 2). Also, some ratios for lepton universality in tau decays have almost 2 sigma deviations from the Standard Model. In this paper, we propose a lepton-specific inert two-Higgs-doublet model. After imposing all the relevant theoretical and experimental constraints, we show that these lepton anomalies can be explained simultaneously in many parameter spaces with m(H) > 200 GeV and m(A) (m(H +/-)) > 500 GeV for appropriate Yukawa couplings between leptons and inert Higgs. The key point is that these Yukawa couplings for mu and tau/e have opposite sign.

引用

页数：6

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