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题名: Two component dark matter with multi-Higgs portals
作者: Bian, LG;  Li, TJ;  Shu, J;  Wang, XC
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2015
期号: 3, 页码:126
关键词: Beyond Standard Model ;  Cosmology of Theories beyond the SM
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP03(2015)126
通讯作者: Bian, LG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: With the assistance of two extra groups, i.e., an extra hidden gauge group SU(2)(D) and a global U(1) group, we propose a two component dark matter (DM) model. After the symmetry SU(2)(D) x U(1) being broken, we obtain both the vector and scalar DM candidates. The two DM candidates communicate with the standard model (SM) via three Higgs as multi-Higgs portals. The three Higgs are mixing states of the SM Higgs, the Higgs of the hidden sector and real part of a supplement complex scalar singlet. We study relic density and direct detection of DM in three scenarios. The resonance behaviors and interplay between the two component DM candidates are represented through investigating of the relic density in the parameter spaces of the two DMs masses. The electroweak precision parameters constrains the two Higgs portals couplings (lambda(m) and delta(2)). The relevant vacuum stability and naturalness problem in the parameter space of lambda(m) and delta(2) are studied as well. The model could alleviate these two problems in some parameter spaces under the constraints of electroweak precision observables and Higgs indirect search.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: BOSON ;  MODEL ;  PARTICLES ;  SEARCH ;  MASS ;  LHC
收录类别: SCI
项目资助者: Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ;  National Basic Research Program of China (973 Program) [2010CB833000]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21049
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Bian, LG,Li, TJ,Shu, J,et al. Two component dark matter with multi-Higgs portals[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(3):126.
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