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题名: A light SUSY dark matter after CDMS-II, LUX and LHC Higgs data
作者: Cao, JJ;  Han, CC;  Wu, L;  Wu, PW;  Yang, JM
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2014
期号: 5, 页码:56
关键词: PREDICTIONS ;  CONSTRAINTS ;  TEVATRON ;  SECTOR ;  MSSM
学科分类: Physics
DOI: 10.1007/JHEP05(2014)056
通讯作者: Cao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
部门归属: [Cao, Junjie] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China
英文摘要: In SUSY, a light dark matter is usually accompanied by light scalars to achieve the correct relic density, which opens new decay channels of the SM-like Higgs boson. Under current experimental constraints including the latest LHC Higgs data and the dark matter relic density, we examine the status of a light neutralino dark matter in the framework of NMSSM and confront it with the direct detection results of CoGeNT, CDMS-II and LUX. We have the following observations: (i) A dark matter as light as 8 GeV is still allowed and its scattering cross section off the nucleon can be large enough to explain the CoGeNT/CDMS-II favored region; (ii) The LUX data can exclude a sizable part of the allowed parameter space, but still leaves a light dark matter viable; (iii) The SM-like Higgs boson can decay into the light dark matter pair with an invisible branching ratio reaching 30% under the current LHC Higgs data, which may be tested at the 14 TeV LHC experiment.
资助者: ARC Center of Excellence for Particle Physics at the Tera-scale; National Natural Science Foundation of China (NNSFC) [10821504, 11222548, 11305049, 11135003]; Program for New Century Excellent Talents in University
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000336375500001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15762
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Recommended Citation:
Cao, JJ,Han, CC,Wu, L,et al. A light SUSY dark matter after CDMS-II, LUX and LHC Higgs data[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(5):56.
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