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Dark matter in inert triplet models

文献类型:期刊论文

作者Araki, T; Geng, CQ; Nagao, KI
刊名PHYSICAL REVIEW D
出版日期2011
卷号83期号:7页码:75014
通讯作者[Araki, Takeshi] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Geng, C. Q. ; Nagao, Keiko I.] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan ; [Geng, C. Q.] Natl Ctr Theoret Sci, Hsinchu 300, Taiwan
英文摘要We study the inert triplet models, in which the standard model is extended to have a new SU(2)(L) triplet scalar (Y = 0 or 2) with an Z(2) symmetry. We show that the neutral component of the triplet can be a good dark matter candidate. In particular, for the hypercharge Y = 0 triplet model, the WMAP data favors the region where the dark matter mass is around 5.5 TeV, which is also consistent with the direct detection experiments. In contrast, for the Y = 2 model, although dark matter with its mass around 2.8 TeV is allowed by WMAP, it is excluded by the direct detection experiments because the spin-independent cross section is enhanced by the Z-mediated tree-level scattering process.
学科主题Astronomy & Astrophysics; Physics
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
原文出处SCI
语种英语
WOS记录号WOS:000290110100004
源URL[http://ir.ihep.ac.cn/handle/311005/240794]  
专题高能物理研究所_理论物理室
作者单位中国科学院高能物理研究所
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Araki, T,Geng, CQ,Nagao, KI. Dark matter in inert triplet models[J]. PHYSICAL REVIEW D,2011,83(7):75014.
APA Araki, T,Geng, CQ,&Nagao, KI.(2011).Dark matter in inert triplet models.PHYSICAL REVIEW D,83(7),75014.
MLA Araki, T,et al."Dark matter in inert triplet models".PHYSICAL REVIEW D 83.7(2011):75014.

入库方式: OAI收割

来源:高能物理研究所

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