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题名: The supersymmetric Standard Models with decaying and stable dark matters
作者: Gao, Xin ;  Kang, Zhaofeng ;  Li, Tianjun
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2010
卷号: 69, 期号:40972, 页码:467-480
关键词: ANOMALOUS FLAVOR U(1) ;  NEUTRINO MASSES ;  GAUGE-SYMMETRY ;  RELIC DENSITY ;  ABELIAN SYMMETRY ;  COSMIC-RAYS ;  CANDIDATES ;  ENERGIES ;  MATRICES ;  BARYON
学科分类: Physics
通讯作者: Gao, X , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
部门归属: [Gao, X; Kang, ZF; Li, TJ] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Li, TJ] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
英文摘要: We propose two supersymmetric Standard Models (SMs) with decaying and stable dark matter (DM) particles. To explain the SM fermion masses and mixings and have a heavy decay DM particle S, we consider the Froggatt-Nielsen mechanism by introducing an anomalous U(1) (X) gauge symmetry. Around the string scale, the U(1) (X) gauge symmetry is broken down to a Z (2) symmetry under which S is odd while all the SM particles are even. S obtains a vacuum expectation value around the TeV scale, and then it can three-body decay dominantly to the second/third family of the SM leptons in Model I and to the first family of the SM leptons in Model II. Choosing a benchmark point in the constrained minimal supersymmetric SM with exact R parity, we show that the lightest neutralino DM is consistent with the CDMS II experiment. Considering S three-body decay and choosing suitable parameters, we show that the PAMELA and Fermi-LAT experiments and the PAMELA and ATIC experiments can be explained in Model I and Model II, respectively.
资助者: Natural Science Foundation of China[10821504]; DOE[DE-FG03-95-Er-40917]; Mitchell-Heep Chair in High Energy Physics
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000283361800010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5034
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Gao, Xin,Kang, Zhaofeng,Li, Tianjun. The supersymmetric Standard Models with decaying and stable dark matters[J]. EUROPEAN PHYSICAL JOURNAL C,2010,69(40972):467-480.
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