Abstract
The improved Sahu (ImSahu) semiempirical relationship is applied to study the extremely long \(\alpha\)-decay half-lives of the 68 nuclei with 62 \(\le {Z}\le 99.\) (Z is the charge number of a parent nucleus.) By comparing the accuracy of the half-lives calculated with the ImSahu relationship and those with the Royer, Densiov and UNIV formulas, it is found that the accuracies of the ImSahu relationship and Royer formula are higher than those of the Densiov and UNIV formulas. In addition, the \(\alpha\)-decay half-lives of some nuclei that are not yet experimentally available are predicted by the ImSahu relationship and Royer formula, which might be useful for searching for the nuclei with long \(\alpha\)-decay half-lives in future experiments.
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Acknowledgements
We thank professor Jianzhong Gu for language revision and helpful discussion. This work was supported by the National Natural Science Foundation of China (Grants Nos. U1832120 and 11675265), the State Scholarship Fund of China Scholarship Council (Grant No. 201708130035), and the Natural Science Foundation for Outstanding Young Scholars of Hebei Province of China (Grant No. A2018210146).
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Xiao, Y., Zhang, S., Cui, J. et al. \(\alpha\)-Decay with extremely long half-lives. Indian J Phys 94, 527–533 (2020). https://doi.org/10.1007/s12648-019-01490-y
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DOI: https://doi.org/10.1007/s12648-019-01490-y