论文标题
评论“在Soudan Underground Laboratory（$α$，$γ$）反应的$γ$射线对年度调制的观察”
Comment on "Observation of annual modulation by $γ$ rays from ($α$,$γ$) reactions at the Soudan Underground Laboratory"
论文作者
论文摘要
tiwari {\ it等。} \已经确定了Soudan地下实验室的$γ$ ray通量的年度调制，这与ra浓度密切相关。 $γ$ ray的通量来自（$α$，$γ$）的反应，这是由radon及其女儿的$α$活性引起的。不幸的是，对$γ$ ray通量的定量分析是基于不现实的（$α$，$γ$）的横截面，因此计算出的$γ$ -Ray-ray通量是不可靠的。
Tiwari {\it et al.}\ have identified an annual modulation of the $γ$-ray flux at the Soudan Underground Laboratory which is strongly correlated to the radon concentration. The $γ$-ray flux results from ($α$,$γ$) reactions which are induced by the $α$ activity of radon and its daughters. Unfortunately, the quantitative analysis of the $γ$-ray flux is based on unrealistic ($α$,$γ$) cross sections, and thus the calculated $γ$-ray fluxes are not reliable.
