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核素丰度的统计规律

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核素丰度是指核素在自然界中含量的丰富程度,其大小是核素稳定性的一个重要标志.本文从国际原子能机构核数据中心Nudat3.0库中收集了 287个核素的丰度实验数据,进行统计分析,发现当核子数为幻数时,稳定核素的数目大多都比邻近元素多,而且幻数核的丰度普遍都比较高,说明了幻数核的稳定性高.
Statistical Rule of Nuclide Abundance
Nuclide abundance refers to the abundance of nuclide in nature,and its size is an important sign of nuclide stability.In this paper,we collected the abundance experimental data of 287 nuclides from Nudat3.0 database of the nuclear Data Center of the International Atomic Energy Agency(IAEA)for statistical analysis.It is found that when the number of nucleons is magic number,the number of stable nuclides is mostly more than that of neighboring elements,and the abundance of magic number nuclei is generally higher,indicating that the stability of magic number nuclei is high.

nuclideabundancemagic number

隆寅、彭金松

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河池学院,广西河池

核素 丰度 幻数

2024

科学技术创新
黑龙江省科普事业中心

科学技术创新

影响因子:0.842
ISSN:1673-1328
年,卷(期):2024.(21)