Constraints on the dark Z model from Higgs boson phenomenology

被引：1
|
作者：
Jung, Dong-Won [1 ,2 ]
Lee, Kang Young [3 ,4 ]
Yu, Chaehyun [3 ,4 ]
机构：
[1] Yonsei Univ, Dept Phys, Seoul 03722, South Korea
[2] Chonnam Natl Univ, Dept Phys, Gwangju 61186, South Korea
[3] Gyeongsang Natl Univ, Dept Phys Educ, Jinju 52828, South Korea
[4] Gyeongsang Natl Univ, RINS, Jinju 52828, South Korea
来源：
PHYSICAL REVIEW D | 2023年 / 108卷 / 09期
基金：
新加坡国家研究基金会;
关键词：
SECTORS; TEVATRON; MATTER;
D O I：
10.1103/PhysRevD.108.095002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider the phenomenology of the Higgs bosons in the hidden sector model mediated by an additional SU(2) scalar doublet. With the mediator scalar doublet, the Higgs sector of the model is extended to be that of the two Higgs doublet model of type I. The mediator scalar doublet is connected to the hidden sector with the hidden U(1)X gauge charge. Then the U(1)X gauge symmetry is spontaneously broken by the electroweak symmetry breaking and the hidden U(1) gauge boson gets the mass to give rise to a dark Z boson. Using the programs HiggsBounds and HiggsSignals, we incorporate current experimental limits from LEP, Tevatron, and LHC to examine the Higgs sector in our model and derive constraints on model parameters together with the electroweak processes. As a result, our model favors the light dark Z boson. We also investigate the implications of the model on the dark matter phenomenology when the hidden fermion is a dark matter candidate.
引用
收藏
页数：12
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