3 years ago

Alpha decay studies on Po isotopes using different versions of nuclear potentials

K. P. Santhosh, Indu Sukumaran


The alpha decays from 186-224Po isotopes have been studied using 25 different versions of nuclear potentials so as to select a suitable nuclear potential for alpha decay studies. The computed standard deviation of the calculated half-lives in comparison with the experimental data suggested that proximity 2003-I is the apt form of nuclear potential for alpha decay studies as it possesses the least standard deviation, \( \sigma =0.620\) . Among the different proximity potentials, proximity 1966 ( \( \sigma =0.630\) and proximity 1977 ( \( \sigma =0.636\) , are also found to work well in alpha decay studies with low deviation. Among other versions of nuclear potentials (other than proximity potentials), Bass 1980 is suggested to be a significant form of nuclear potential because of its good predictive power. However, while the other forms of potentials are able to reproduce the experimental data to some extent, these potentials cannot be considered as apposite potentials for alpha decay studies in their present form. Since the experimental correlation of the models is noticed to be satisfying, the alpha decay half-lives of certain Po isotopes that are not detected experimentally yet have been predicted.

Publisher URL: https://link.springer.com/article/0.1140/epja/i2017-12446-7

DOI: 10.1140/epja/i2017-12446-7

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