论文标题
核反应的测量，核反应产生和破坏LI并在BBN期间
Measurements of Nuclear Reactions that Create and Destroy Li and Be during BBN
论文作者
论文摘要
我回顾了对Li和Big bugn核合成（BBN）的创造和破坏所涉及的最重要反应的测量值，以及它们对原始$^7 $ li丰度的不确定性所做的不确定性及其对不确定性的相对贡献（$^7 $ li/h）。根据不同的BBN代码所预测的这些反应的计算$^7 $ li/h的敏感性，我发现没有显着差异。我将原始$^7 $ li/h的计算与一些最近发表的价值观进行了比较，并得出结论，在没有主要未发现的实验错误的情况下，核物理不确定性无法解决宇宙学LI问题。计算出的丰度估计不确定性为13％，观察结果的差异约为$4.6σ$。
I review measurements of the most important reactions involved in the creation and destruction of Li and Be during big bang nucleosynthesis (BBN) as well as their uncertainties and the relative contributions they make to the uncertainty in the primordial $^7$Li abundance ($^7$Li/H). Examining the sensitivity of calculated $^7$Li/H to these reactions as predicted by different BBN codes I find no significant differences. I compare my calculation of primordial $^7$Li/H to some recently published values and conclude that in the absence of a major undetected experimental blunder, nuclear physics uncertainties cannot account for the cosmological Li problem. With an estimated 13% uncertainty in the calculated abundance, the discrepancy with observation amounts to some $4.6σ$.
