alpha-decay half-life公式的可预报性分析及某些奇异核的α部分半衰期
The analysis of predictability of alpha-decay half-life formulae and the alpha partial half-lives of some exotic nuclei
摘要：
三个α衰变半衰期公式，Royer GLDM，Viola-Seaborg和Sobiczewski-Parkhomenko公式的可预测性进行了评估，通过开发一种方法的基础上的标准实验基准的分析。每个公式的系数使用α-标准核的可靠数据重新推导。由此产生的修改后的公式被用来评估的准确性的公式对预测的半衰期的一组核素与研究良好的α-光谱数据，以及一组外来的α-发射体。此外，对修正公式进行简单的线性优化，可以在不改变修正公式的情况下调整原始数据集统计数据不足的情况。三个修正公式对除奇-奇核外的所有中重核的计算结果相当，而对奇-奇核和超重核，修正的GLDA计算结果相对最好。
英文摘要：
The predictabilities of the three alpha-decay half-life formulae, the Royer GLDM, the Viola-Seaborg and the Sobiczewski-Parkhomenko formulae, have been evaluated by developing a method based on the ansatz of standard experimental benchmarking. The coefficients of each formula were re-derived using the reliable data of the alpha-standards nuclei. The modified formulae that resulted were used to evaluate the accuracies of the formulae towards the prediction of half-lives of a set of nuclides with well-studied alpha- spectroscopic data as well as a set of exotic alpha-emitters. Further, a simple linear optimization of the modified formulae allowed adjustments for the insufficient statistics of the primary data set without changing the modified formulae. While the three modified formulae showed equivalent results for all the medium heavy nuclei except the odd-odd, the modified GLDM showed relatively the best figures of merit for the odd-odd and superheavy nuclides.
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