Scalar dark matter in leptophilic two-Higgs-doublet model

被引：13
作者：
Bandyopadhyay, Priyotosh [1 ]
Chun, Eung Jin [2 ]
Mandal, Rusa [3 ]
机构：
[1] Indian Inst Technol Hyderabad, Sangareddy 502287, Telengana, India
[2] Korea Inst Adv Study, Seoul 130722, South Korea
[3] HBNI, Inst Math Sci, Madras 600113, Tamil Nadu, India
来源：
PHYSICS LETTERS B | 2018年 / 779卷
关键词：
Two-Higgs-doublet model; Dark matter; Direct and indirect detection; HIGGS;
D O I：
10.1016/j.physletb.2018.01.071
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Two-Higgs-Doublet Model of Type-X in the large tan beta limit becomes leptophilic to allow a light pseudoscalar A and thus provides an explanation of the muon g - 2 anomaly. Introducing a singlet scalar dark matter Sin this context, one finds that two important dark matter properties, nucleonic scattering and self-annihilation, are featured separately by individual couplings of dark matter to the two Higgs doublets. While one of the two couplings is strongly constrained by direct detection experiments, the other remains free to be adjusted for the relic density mainly through the process SS -> AA. This leads to the 4 tau final states which can be probed by galactic gamma ray detections. (C) 2018 The Authors. Published by Elsevier B.V.
引用
收藏
页码：201 / 205
页数：5
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