Hidden U(1) gauge symmetry realizing a neutrinophilic two-Higgs-doublet model with dark matter

被引：17
|
作者：
Nomura, Takaaki [1 ]
Okada, Hiroshi [2 ]
机构：
[1] KIAS, Sch Phys, Seoul 02455, South Korea
[2] Natl Ctr Theoret Sci, Phys Div, Hsinchu 300, Taiwan
来源：
PHYSICAL REVIEW D | 2018年 / 97卷 / 07期
关键词：
D O I：
10.1103/PhysRevD.97.075038
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We propose a eratinophilic two-Higgs-doublet model with hidden local 1U1) symmetry, where active neutrinos are Dirac type, and a fermionic dark matter (DM) candidate is naturally induced as a result of remnant symmetry even after the spontaneous symmetry breaking. In addition, a physical Goldstone boson arises as a consequence of two types of gauge singlet bosons and contributes to the DM phenomenologies as well as an additional neutral gauge boson. Then, we analyze the relic density of DM within the safe range of direct detection searches and show the allowed region of dark matter mass.
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页数：6
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