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	Asymmetric dark matter in extended exo-higgs scenarios
	Davoudiasl, Hooman1; Giardino, Pier Paolo1; Zhang, Cen1,2
刊名	Physics letters b
	2017-09-10
卷号	772页码:512-516
ISSN号	0370-2693
DOI	10.1016/j.physletb.2017.07.009
通讯作者	Giardino, pier paolo(pgiardino@bnl.gov)
英文摘要	The exo-higgs model can accommodate a successful baryogenesis mechanism that closely mirrors electroweak baryogenesis in the standard model, but avoids its shortcomings. we extend the exo-higgs model by the addition of a singlet complex scalar chi in our model,chi can be a viable asymmetric dark matter (adm) candidate. we predict the mass of the adm particle to be m(chi)approximate to 1.3gev. the leptophilic couplings of chi can provide for efficient annihilation of the adm pairs. we also discuss the lhc signals of our scenario, and in particular the production and decays of exo-leptons which would lead to "lepton pair plus missing energy" final states. our model typically predicts potentially detectable gravitational waves originating from the assumed strong first order phase transition at a temperature of similar to tev. if the model is further extended to include new heavy vector-like fermions, e.g. from an ultraviolet extension, chi couplings could explain the similar to 3.5smuon g-2anomaly. (c) 2017 the authors. published by elsevier b.v.
WOS关键词	BARYON ASYMMETRY ; VIOLATION ; MUON
WOS研究方向	Astronomy & Astrophysics ; Physics
WOS类目	Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000411369700072
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2177138
专题	高能物理研究所
通讯作者	Giardino, Pier Paolo
作者单位	1.Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA 2.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Davoudiasl, Hooman,Giardino, Pier Paolo,Zhang, Cen. Asymmetric dark matter in extended exo-higgs scenarios[J]. Physics letters b,2017,772:512-516.
APA	Davoudiasl, Hooman,Giardino, Pier Paolo,&Zhang, Cen.(2017).Asymmetric dark matter in extended exo-higgs scenarios.Physics letters b,772,512-516.
MLA	Davoudiasl, Hooman,et al."Asymmetric dark matter in extended exo-higgs scenarios".Physics letters b 772(2017):512-516.

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