Nuclear Science and Techniques ( IF 3.6 ) Pub Date : 2022-06-29 , DOI: 10.1007/s41365-022-01060-8
A. V. Mahesh Babu , N. Sowmya , H. C. Manjunatha , N. Dhananjaya
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The alpha ternary fission half-lives of thorium isotopes have been studied using the Coulomb and proximity potential models. The role of the deformation effects and the angle of orientation were included during the evaluation of the total potential. Fragment combinations were identified using cold valley plots of the driving potential. The half-lives and yields were evaluated using the penetration probability. The dependence of the logarithmic half-lives on different angles of orientation was studied. The evaluated alpha ternary fission yield was compared with that of the available experiments with and without deformations. The half-lives obtained in the present work were compared with those of the available data. Possible alpha ternary fission fragments were identified in the isotopes of thorium. The alpha ternary fission half-lives were compared to the binary fission half-lives. The binary fission half-lives are dominant in the \({^{209-225}}\)Th nuclei, and the ternary fission half-lives are dominant in the isotopes of the \({^{226-238}}\)Th nuclei.
中文翻译:
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变形和取向在钍的 α 三元裂变中的作用
已经使用库仑和邻近势模型研究了钍同位素的 α 三元裂变半衰期。在总势的评估过程中,包括变形效应和取向角的作用。使用驱动潜力的冷谷图识别片段组合。使用穿透概率评估半衰期和产量。研究了对数半衰期对不同方向角的依赖性。将评估的 α 三元裂变产率与有和没有变形的可用实验进行比较。在目前的工作中获得的半衰期与可用数据的半衰期进行了比较。在钍的同位素中发现了可能的 α 三元裂变碎片。将 α 三元裂变半衰期与二元裂变半衰期进行了比较。二元裂变半衰期在\({^{209-225}}\) Th 原子核和三元裂变半衰期在\({^{226-238}}\) Th 原子核的同位素中占主导地位。