Cosmic rays from dark matter annihilation and big-bang nucleosynthesis

被引：60

作者：

Hisano, Junji ^{[1
,2
]}

Kawasaki, Masahiro ^{[1
,2
]}

Kohri, Kazunori ^{[3
]}

Moroi, Takeo ^{[2
,4
]}

Nakayama, Kazunori ^{[1
]}

机构：

[1] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan

[2] Univ Tokyo, Inst Phys & Math Universe, Kashiwa, Chiba 2778568, Japan

[3] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

[4] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

来源：

PHYSICAL REVIEW D | 2009年 / 79卷 / 08期

基金：

日本学术振兴会;

关键词：

ANISOTROPY-PROBE OBSERVATIONS; PRIMORDIAL LITHIUM; ABUNDANCE; PARTICLES; DECAY; COMPILATION; CONSTRAINTS; CONSISTENT; ELECTRONS; DEUTERIUM;

D O I：

10.1103/PhysRevD.79.083522

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recent measurements of cosmic-ray electron and positron fluxes by PAMELA and ATIC experiments may indicate the existence of annihilating dark matter with large annihilation cross section. We show that the dark matter annihilation in the big-bang nucleosynthesis epoch affects the light element abundances, and it gives stringent constraints on such annihilating dark matter scenarios.

引用

页数：10

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