Big bang nucleosynthesis in the precision era

被引：0

作者：

Burles, S ^{[1
]}

机构：

[1] Fermilab Natl Accelerator Lab, Expt Astrophys Grp, Batavia, IL 60510 USA

来源：

DARK MATTER IN ASTRO- AND PARTICLE PHYSICS | 2001年

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recent measurements of the primeval deuterium abundance and improved nuclear input to big-bang nucleosynthesis (BBN) precisely peg the baryon density, Omega (B)h(2) = 0.0189 +/- 0.0019 (95% cl). The uncertainty is due to that in the deuterium abundance and input nuclear data, in the ratio of about 2 to 1. The tight constraint sets the stage for a direct comparison with current and planned measurements of the cosmic microwave background anisotropies, and with it, a cosmological test at the level of 5%.

引用

页码：195 / 205

页数：11

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