ITP OpenIR  > 理论物理所科研产出  > SCI论文
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
Source PublicationMODERN PHYSICS LETTERS A
Language英语
KeywordOverabundance Problem Power Spectrum Lambda-cdm Recombination Model Reionization Dama/libra Satellites Galaxies Impact
AbstractIn 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
Volume29Issue:37Pages:1440004
Subject AreaPhysics
DOI10.1142/S0217732314400045
Indexed BySCI
Funding OrganizationNSFC [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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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15547
Collection理论物理所科研产出_SCI论文
Corresponding AuthorXu, LX (reprint author), Sch Phys & Optoelect Technol, Inst Theoret Phys, Dalian, Peoples R China.
Recommended Citation
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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