Alpha decay and cluster decay of some neutron-rich actinide nuclei

Pramana

G M CARMEL VIGILA BAI¹  R NITHYA AGNES2² 

[1] Department of Physics, Rani Anna Government College for Women, Tirunelveli 627 008, India$$;Department of Physics, St. John’s College, Palayamkottai 627 002, India$$

关键词: Alpha decay;    cluster radioactivity;    spontaneous fission;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

Nuclei in the actinide region are good in exhibiting cluster radioactivity. In the present work, the half-lives of $alpha$-decay and heavy cluster emission from certain actinide nuclei have been calculated using cubic plus Yukawa plus exponential model ($f{CYEM}$). Our model has a cubic potential for the overlapping region which is smoothly connected by a Yukawa plus exponential potential for the region after separation. The computed half-lives are compared with those of other theoretical models and are found to be in good agreement with each other. In this work, we have also studied the deformation effects on half-lives of cluster decay. These deformation effects lower the half-life values and it is also found that the neutron-rich parent nuclei slow down the cluster decay process. Geiger–Nuttal plots for various clusters are found to be linear and most of the emitted clusters are $alpha$-like nuclei.

【 授权许可】

Unknown