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中文摘要：
针对低能反应和Gamow—Teller共振跃迁，分析了在恒星内部电荷屏蔽对β衰变率的影响，对共振跃迁的分析是基于核的壳层模型,作为例子，详细计算了电荷屏蔽对^56Gr的β衰变的影响．结果表明,在较低温度和高密度下，电荷屏蔽使β衰变率有明显地增加．这对恒星晚期演化和超新星爆发研究可能会有重要的影响．
英文摘要：
Aiming at the low-energY reaction and Gamow-Teller resonant transition, the influence of electron screening on the β-decay rate in stellar interior is investigated in this paper. As an example, the effects of the screening on β-decay by ^56Cr is calculated in particular. It is shown that the screening increases the β-decay rate evidently in lower temperatures and higher densities. The screening effects may importantly influence the study of stellar late stage evolution and supernova bursts.
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