Big Bang Nucleosynthesis as a Probe of New Physics

被引：186

作者：

Pospelov, Maxim ^{[1
,2
]}

Pradler, Josef ^{[1
]}

机构：

[1] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada

[2] Univ Victoria, Dept Phys & Astron, Victoria, BC V8P 1A1, Canada

来源：

ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE, VOL 60 | 2010年 / 60卷

关键词：

early universe; abundances of light elements; extensions of the Standard Model; dark matter; PRIMORDIAL HELIUM ABUNDANCE; LATE-DECAYING PARTICLES; DEUTERIUM ABUNDANCE; EARLY UNIVERSE; LIGHT-ELEMENTS; LITHIUM; COSMOLOGY; BERYLLIUM; CASCADES; ORIGIN;

D O I：

10.1146/annurev.nucl.012809.104521

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Big bang nucleosynthesis (BBN), an epoch of primordial nuclear transformations in the expanding universe, has left an observable imprint in the abundances of light elements. Precision observations of such abundances, combined with high-accuracy predictions, provide a nontrivial test of the hot big bang and probe nonstandard cosmological and particle physics scenarios. We give an overview of BBN sensitivity to different classes of new physics: new particle or field degrees of freedom, time-varying couplings, decaying or annihilating massive particles leading to nonthermal processes, and catalysis of BBN by charged relics.

引用

页码：539 / 568

页数：30

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