Big bang nucleosynthesis predictions for precision cosmology

被引：419

作者：

Burles, S

Nollett, KM

Turner, MS

机构：

[1] Fermi Natl Accelerator Lab, Expt Astrophys Dept, Batavia, IL 60510 USA

[2] Univ Chicago, Enrico Fermi Inst, Dept Astron & Astrophys, Chicago, IL 60637 USA

[3] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[4] CALTECH, Dept Phys, Pasadena, CA 91125 USA

[5] Fermi Natl Accelerator Lab, Fermilab Astrophys Ctr, NASA, Batavia, IL 60510 USA

来源：

ASTROPHYSICAL JOURNAL | 2001年 / 552卷 / 01期

关键词：

cosmology : theory; nuclear reactions; nucleosynthesis; abundances;

D O I：

10.1086/320251

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The determination of the primeval deuterium abundance has opened a precision era in big bang nucleosynthesis, making accurate predictions more important than ever before. We present in analytic form new, more precise predictions for the light-element abundances and their error matrix. Using our predictions and the primeval deuterium abundance, we infer a baryon density of (3)Omega (beta)h(2) = 0.020 +/- 0.002 (95% confidence level) and find no evidence for stellar production (or destruction) of He-3 beyond burning D into He-3. Conclusions about He-4 and Li-7 currently hinge on possible systematic errors in their measurements.

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页码：L1 / L5

页数：5

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