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Effects of Kinetic Decoupling on Relic Density with Sommerfeld Enhancement
Iminniyaz, Hoernisa1,2; Chen Xue-Lei2,3; Bi Xiao-Jun4; Dulat, Sayipjamal1
2011-11-01
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号56期号:5页码:967-971
摘要We investigate the effect of kinetic decoupling on the relic density of the non-relativistic particles whose annihilation rate is increased by Sommerfeld enhancement. We discuss the effect of kinetic decoupling both for the Sommerfeld enhanced s-wave annihilation and p-wave anihilation cross sections. We find after kientic decoupling Sommerfeld enhanced annihilations continue to change the particle abundance until the matter domination begins or the Sommerfeld effect cuts off. We provide analytic estimates of this effect.
关键词Dark Matter Kinetic Decoupling Relic Density
DOI10.1088/0253-6102/56/5/28
收录类别SCI
语种英语
WOS记录号WOS:000297269000028
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8028
专题星系宇宙学研究部
作者单位1.Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Peoples R China
2.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
4.Chinese Acad Sci, Key Lab Particle Astrophys, Inst High Energy Phys, Beijing 100049, Peoples R China
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Iminniyaz, Hoernisa,Chen Xue-Lei,Bi Xiao-Jun,et al. Effects of Kinetic Decoupling on Relic Density with Sommerfeld Enhancement[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2011,56(5):967-971.
APA Iminniyaz, Hoernisa,Chen Xue-Lei,Bi Xiao-Jun,&Dulat, Sayipjamal.(2011).Effects of Kinetic Decoupling on Relic Density with Sommerfeld Enhancement.COMMUNICATIONS IN THEORETICAL PHYSICS,56(5),967-971.
MLA Iminniyaz, Hoernisa,et al."Effects of Kinetic Decoupling on Relic Density with Sommerfeld Enhancement".COMMUNICATIONS IN THEORETICAL PHYSICS 56.5(2011):967-971.
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