Probing Particle Physics with the Global 21-cm Signal

被引：0

作者：

Franca, Urbano ^{[1
]}

机构：

[1] Univ Valencia, Inst Fis Corpuscular, CSIC, Valencia 46071, Spain

来源：

ADVANCED SUMMER SCHOOL IN PHYSICS 2011 (EAV 2011) | 2012年 / 1420卷

关键词：

Cosmology; Dark Matter; Intergalactic Medium; 21-cm Cosmology; DARK-MATTER; REIONIZATION; COSMOLOGY; EPOCH;

D O I：

10.1063/1.3678620

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Observations of the 21-cm line of the atomic hydrogen at the early universe has the potential to probe the unexplored period between the so-called dark ages and the reionization epoch of the Universe, and to significantly improve the constraints on the cosmological parameters. Here we summarize briefly the physics behind the 21-cm sky averaged (global) signal and how it can be used to place limits on particle physics properties, in particular constraints on the mass and self-annihilation cross-section of the dark matter particles.

引用

页码：102 / 106

页数：5

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