Constraints on dark matter annihilation and decay from the isotropic gamma-ray background

doi:10.1088/1674-1137/41/4/045104

CORC > 高能物理研究所 > 中国科学院高能物理研究所 > 粒子天体物理中心

	Constraints on dark matter annihilation and decay from the isotropic gamma-ray background
	Lin, SJ; Liu W(刘伟); Bi XJ(毕效军); Yin, PF; Lin SJ(林苏杰); Yin PF(殷鹏飞); Liu, W; Bi, XJ
刊名	CHINESE PHYSICS C中国物理. C
	2017
卷号	41 期号:4 页码:45104
关键词	dark matter theory gamma-ray theory dark matter simulations gamma-rays: diffuse background
ISSN号	1674-1137
DOI	10.1088/1674-1137/41/4/045104
文献子类	Article
英文摘要	We study the constraints on dark matter (DM) annihilation/decay from the Fermi-LAT Isotropic Gamma-Ray Background (IGRB) observation. We consider the contributions from both extragalactic and galactic DM components. For DM annihilation, the evolution of extragalactic DM halos is taken into account. We find that the IGRB annihilation constraints under some DM subhalo models can be comparable to those derived from the observations of dwarf spheroidal galaxies and CMB. We also use the IGRB results to constrain the parameter regions accounting for the latest AMS-02 electron-positron anomaly. We find that the majority of DM annihilation/decay channels are strongly disfavored by the latest Fermi-LAT IGRB observation; only DM decays to II-I-R and 4/./, channels may be valid.
WOS关键词	LUMINOSITY FUNCTION ; CROSS-CORRELATIONS ; GALAXY CATALOGS ; COSMIC MEV ; FERMI ; ELECTRONS ; HALOES ; RADIATION ; EMISSION ; SEARCHES
WOS研究方向	Physics
语种	英语
CSCD记录号	CSCD:5954039
WOS记录号	WOS:000400124800018
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/284268]
专题	高能物理研究所_粒子天体物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Lin, SJ,Liu W,Bi XJ,et al. Constraints on dark matter annihilation and decay from the isotropic gamma-ray background[J]. CHINESE PHYSICS C中国物理. C,2017,41(4):45104.
APA	Lin, SJ.,刘伟.,毕效军.,Yin, PF.,林苏杰.,...&Bi, XJ.(2017).Constraints on dark matter annihilation and decay from the isotropic gamma-ray background.CHINESE PHYSICS C中国物理. C,41(4),45104.
MLA	Lin, SJ,et al."Constraints on dark matter annihilation and decay from the isotropic gamma-ray background".CHINESE PHYSICS C中国物理. C 41.4(2017):45104.