Big-bang nucleosynthesis: A probe of the early Universe

被引：3
|
作者：
Coc, Alain [1 ]
机构：
[1] Univ Paris 11, Ctr Spectrometrie Nucl & Spectrometrie Masse, IN2P3, CNRS,UMR 8609, F-91405 Orsay, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 611卷 / 2-3期
关键词：
Big-Bang nucleosynthesis; Primordial abundances; PRIMORDIAL NUCLEOSYNTHESIS; FUNDAMENTAL CONSTANTS; ABUNDANCE; LITHIUM; DENSITY;
D O I：
10.1016/j.nima.2009.07.052
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Primordial nucleosynthesis is one of the three observational evidences for the Big-Bang model. Even though they span a range of nine orders of magnitude, there is indeed a good overall agreement between primordial abundances of He-4, D, He-3 and He-7 either deduced from observation or primordial nucleosynthesis. This comparison was used for the determination of the baryonic density of the Universe. For this purpose, it is now superseded by the analysis of the Cosmic Microwave Background radiation anisotropies. Big-Bang nucleosynthesis remains, nevertheless, a valuable tool to probe the physics of the early Universe. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：224 / 230
页数：7
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