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题名: Singlet extension of the MSSM as a solution to the small cosmological scale anomalies
作者: Wang, F ;  Wang, WY ;  Yang, JM ;  Zhou, SH
刊名: PHYSICAL REVIEW D
出版日期: 2014
卷号: 90, 期号:3, 页码:35028
关键词: SUPERSYMMETRIC STANDARD MODEL ;  DARK-MATTER ;  HIGGS BOSONS ;  LAMBDA-CDM ;  TAN-BETA ;  SATELLITES ;  NMSSM ;  MASS ;  LHC
学科分类: Physics
DOI: 10.1103/PhysRevD.90.035028
通讯作者: Wang, F (reprint author), Zhengzhou Univ, Dept Phys & Engn, Zhengzhou 450001, Peoples R China.
部门归属: [Wang, Fei] Zhengzhou Univ, Dept Phys & Engn, Zhengzhou 450001, Peoples R China ;  [Wang, Wenyu ;  Zhou, Sihong] Beijing Univ Technol, Inst Theoret Phys, Coll Appl Sci, Beijing 100124, Peoples R China ;  [Yang, Jin Min] Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In this work we show that the general singlet extension of the minimal supersymmetric standard model (MSSM) can naturally provide a self-interacting singlino dark matter to solve the small cosmological scale anomalies (a large Sommerfeld enhancement factor can also be obtained). However, we find that the NMSSM (the singlet extension of the MSSM with Z(3) symmetry) cannot achieve this due to the restricted parameter space. In our analysis we introduce the concept of symmetric and antisymmetric viscosity cross sections to deal with the nonrelativistic Majorana-fermion dark matter scattering.
资助者: Natural Science Foundation of China [11105124, 11105125, 11275245, 10821504, 11135003, 11005006, 11172008, 11375001]; Ri-Xin Foundation of BJUT
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000341287600006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15668
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Wang, F,Wang, WY,Yang, JM,et al. Singlet extension of the MSSM as a solution to the small cosmological scale anomalies[J]. PHYSICAL REVIEW D,2014,90(3):35028.
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