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Zakeri, SP; Nejad, SMM; Zakeri, M2,3; Ayazi, SY
A minimal model for two-component FIMP dark matter: A basic search
发表期刊CHINESE PHYSICS C
语种英语
关键词PARTICLE SCALAR DETECTABILITY COMPONENT UNIVERSE BOSON MASS LHC
摘要In the multi-component configurations of dark matter phenomenology, we propose a minimal two-component configuration which is an extension of the Standard Model with only three new fields; one scalar and one fermion interact with the thermal soup through Higgs portal, mediated by the other scalar in such a way that the stabilities of dark matter candidates are made simultaneously by an explicit Z(2) symmetry. Against the most common freeze-out framework, we look for dark matter particle signatures in the freeze-in scenario by evaluating the relic density and detection signals. A simple distinguishing feature of the model is the lack of dark matter conversion, so the dark matter components act individually and the model can be adapted entirely to both singlet scalar and singlet fermionic models, separately. We find dark matter self-interaction as the most promising approach to probe such feeble models. Although the scalar component satisfies this constraint, the fermionic one refuses it even in the resonant region.
2018
ISSN1674-1137
卷号42期号:7页码:73101
学科领域Physics
学科门类Physics, Nuclear ; Physics, Particles & Fields
DOI10.1088/1674-1137/42/7/073101
收录类别SCIE
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22877
专题理论物理所科研产出_SCI论文
作者单位1.Yazd Univ, Fac Phys, Yazd, Iran
2.Inst Res Fundamental Sci IPM, Sch Particles & Accelerators, Tehran, Iran
3.Univ Calif Riverside, Phys & Astron Dept, Riverside, CA 92521 USA
4.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
5.Semnan Univ, Phys Dept, Semnan, Iran
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Zakeri, SP,Nejad, SMM,Zakeri, M,et al. A minimal model for two-component FIMP dark matter: A basic search[J]. CHINESE PHYSICS C,2018,42(7):73101.
APA Zakeri, SP,Nejad, SMM,Zakeri, M,&Ayazi, SY.(2018).A minimal model for two-component FIMP dark matter: A basic search.CHINESE PHYSICS C,42(7),73101.
MLA Zakeri, SP,et al."A minimal model for two-component FIMP dark matter: A basic search".CHINESE PHYSICS C 42.7(2018):73101.
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