A variant two-Higgs doublet model with a new Abelian gauge symmetry

被引：2

作者：

Chen, Chuan-Ren ^{[1
]}

Chiang, Cheng-Wei ^{[2
,3
,4
,5
]}

Lin, Kuo-Yen ^{[2
]}

机构：

[1] Natl Taiwan Normal Univ, Dept Phys, Taipei 11677, Taiwan

[2] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan

[3] Natl Cent Univ, Dept Phys, Chungli 32001, Taiwan

[4] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[5] Natl Cent Univ, Ctr High Energy & High Field Phys, Chungli 32001, Taiwan

来源：

PHYSICS LETTERS B | 2019年 / 795卷

关键词：

VIOLATION;

D O I：

10.1016/j.physletb.2019.05.023

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider a two-Higgs doublet model extended with a broken Abelian gauge symmetry under which all Standard Model (SM) quarks, fourth generation fermions and a new SM-singlet scalar boson are charged. Such a setup is shown to be able to accommodate the muon anomalous magnetic dipole moment while being consistent with existing constraints of flavor-violating decays of charged leptons and Z boson. The new scalar boson offers a suitable dark matter candidate that interacts with the SM particles via the Higgs portal and the Z' boson associated with the new gauge symmetry. The dark matter direct detection bound is found to impose a strong constraint on the new gauge coupling. (C) 2019 Published by Elsevier B.V.

引用

页码：22 / 28

页数：7

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