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题名: Scalar septuplet dark matter and enhanced h -> gamma gamma decay rate
作者: Cai, Y ;  Chao, W ;  Yang, S
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2012
期号: 12, 页码:43
关键词: MODEL HIGGS-BOSON ;  STANDARD MODEL ;  E(+)E(-) COLLISIONS ;  SYMMETRY-BREAKING ;  ATLAS DETECTOR ;  ROOT-S=7 TEV ;  SEARCH ;  LHC ;  ENERGIES ;  PROGRAM
学科分类: Physics
通讯作者: Cai, Y (reprint author), Shanghai Jiao Tong Univ, INPAC, Shanghai 200030, Peoples R China.
部门归属: [Cai, Yi; Chao, Wei] Shanghai Jiao Tong Univ, INPAC, Shanghai 200030, Peoples R China; [Chao, Wei] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA; [Yang, Shuo] Dalian Univ Technol, Dept Phys, Dalian 116622, Peoples R China; [Yang, Shuo] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [Cai, Yi; Chao, Wei; Yang, Shuo] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: Inspired by recent results on the Higgs search from ATLAS and CMS, we extend the SM with complex septuplet scalars. The lightest neutral component of the septuplets is a natural cold dark Matter candidate and the charged components can contribute to the h -> gamma gamma decay rate, providing a significant enhancement factor. The dark matter phenomenology and possible collider signatures of the model are investigated. We find a dark matter candidate with mass around 70 GeV consistent with astrophysical and direct detection constraints. In the meanwhile, the enhancement factor of h -> gamma gamma decay rate can be in the range 1.5 similar to 1.65.
资助者: National Natural Science Foundation of China [11175251, 11205023]; Postdoctoral Science Foundation of China [2012M510248]; SJTU
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000313123800043
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14964
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Cai, Y,Chao, W,Yang, S. Scalar septuplet dark matter and enhanced h -> gamma gamma decay rate[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(12):43.
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