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Xu, LX; Xu, LX (reprint author), Sch Phys & Optoelect Technol, Inst Theoret Phys, Dalian, Peoples R China.
Constraints on dark matter annihilation and its equation of state after Planck data
发表期刊MODERN PHYSICS LETTERS A
语种英语
关键词Overabundance Problem Power Spectrum Lambda-cdm Recombination Model Reionization Dama/libra Satellites Galaxies Impact
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.
2014
ISSN0217-7323
卷号29期号:37页码:1440004
学科领域Physics
DOI10.1142/S0217732314400045
收录类别SCI
项目资助者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]
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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
专题理论物理所科研产出_SCI论文
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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