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题名: Gravitino dark matter from gluino late decay in split supersymmetry
作者: Wang, F ;  Wang, WY ;  Yang, JM
刊名: PHYSICAL REVIEW D
出版日期: 2005
卷号: 72, 期号:7, 页码:-
关键词: MEDIATED SUSY BREAKING ;  COSMOLOGICAL CONSTRAINTS ;  UNIVERSE ;  PARTICLES ;  PHYSICS ;  SCALE ;  LIGHT
学科分类: Physics
通讯作者: Wang, F , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China
英文摘要: In split-supersymmetry (split-SUSY), gluino is a metastable particle and thus can freeze out in the early universe. The late decay of such a long-life gluino into the lightest supersymmetric particle (LSP) may provide much of the cosmic dark-matter content. In this work, assuming the LSP is gravitino produced from the late decay of the metastable gluino, we examine the Wilkinson microwave anisotropy probe (WMAP) dark-matter constraints on the gluino mass. We find that to provide the full abundance of dark matter, the gluino must be heavier than about 14 TeV and thus not accessible at the CERN large hadron collider (LHC).
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000232936300084
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13746
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:
Wang, F,Wang, WY,Yang, JM. Gravitino dark matter from gluino late decay in split supersymmetry[J]. PHYSICAL REVIEW D,2005,72(7):-.
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