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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
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
Volume56Issue:5Pages:967-971
AbstractWe 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.
KeywordDark Matter Kinetic Decoupling Relic Density
DOI10.1088/0253-6102/56/5/28
Indexed BySCI
Language英语
WOS IDWOS:000297269000028
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8028
Collection星系宇宙学研究部
Affiliation1.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
Recommended Citation
GB/T 7714
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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