ITP OpenIR  > 理论物理所2014年知识产出
Constraints on dark matter annihilation and its equation of state after Planck data
Xu, LX; Xu, LX (reprint author), Sch Phys & Optoelect Technol, Inst Theoret Phys, Dalian, Peoples R China.
2014
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号29期号:37页码:1440004
摘要In this paper, the annihilation of dark matter ( DM) f(d) is an element of(0) with nonzero equation of state ( EoS) w(dm) was studied by using the currently available cosmic observations which include geometric and dynamic measurements. The constrained results show they are anti- correlated and are wdm = 0.000390(+ 0.000754) (- 0.000753) and f(d) is an element of(0) = 1.172(+ 0.243) (- 1.172), respectively in 1s regions. With the inclusion of possible annihilation of DM, no significant deviation from CDM model was found in the 1s region.
部门归属[Xu, Lixin] Sch Phys & Optoelect Technol, Inst Theoret Phys, Dalian, Peoples R China ; [Xu, Lixin] Dalian Univ Technol, Dalian 116024, Peoples R China ; [Xu, Lixin] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Overabundance Problem Power Spectrum Lambda-cdm Recombination Model Reionization Dama/libra Satellites Galaxies Impact
学科领域Physics
资助者NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1]
DOI10.1142/S0217732314400045
URL查看原文
收录类别SCI
语种英语
资助者NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; NSFC [11275035]; Fundamental Research Funds for the Central Universities [DUT13LK01]; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1]
WOS记录号WOS:000345922500005
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15547
专题理论物理所2014年知识产出
通讯作者Xu, LX (reprint author), Sch Phys & Optoelect Technol, Inst Theoret Phys, Dalian, Peoples R China.
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GB/T 7714
Xu, LX,Xu, LX . Constraints on dark matter annihilation and its equation of state after Planck data[J]. MODERN PHYSICS LETTERS A,2014,29(37):1440004.
APA Xu, LX,&Xu, LX .(2014).Constraints on dark matter annihilation and its equation of state after Planck data.MODERN PHYSICS LETTERS A,29(37),1440004.
MLA Xu, LX,et al."Constraints on dark matter annihilation and its equation of state after Planck data".MODERN PHYSICS LETTERS A 29.37(2014):1440004.
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