Big Bang Nucleosynthesis: Impact of nuclear physics uncertainties on baryonic matter density constraints

被引：0

作者：

Smith, Michael S. ^{[1
]}

Bruner, Blake D. ^{[2
]}

Kozub, Raymond L. ^{[2
]}

Roberts, Luke F. ^{[1
]}

Tytler, David ^{[3
]}

Fuller, George M. ^{[3
]}

Lingerfelt, Eric ^{[1
,4
]}

Hix, W. Raphael ^{[1
]}

Nesaraja, Caroline D. ^{[1
,4
]}

机构：

[1] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA

[2] Tennessee Technol Univ, Dept Phys, Cookeville, TN 38505 USA

[3] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

[4] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

来源：

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES | 2008年 / 1016卷

关键词：

cosmology; big bang nucleosynthesis; thermonuclear reactions; reaction rates;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We performed new Big Bang Nucleosynthesis simulations with the bigbangonline.org suite of codes to determine, from the nuclear physics perspective, the highest achievable precision of the constraint on the baryon-to-photo ratio eta given current observational uncertainties. We also performed sensitivity studies to determine the impact that particular nuclear physics measurements would have on the uncertainties of predicted abundances and on the eta constraint.

引用

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页码：403 / +

页数：2

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