Methodical Study of Double Alpha Decay in Nuclei with Proton Number from 60 to 93 Using CYEM
DOI:
https://doi.org/10.15407/ujpe71.5.429Keywords:
radioactive nuclei, cluster decay, double alpha decayAbstract
Using Cubic plus Yukawa plus Exponential Model (CYEM) half-life values of double alpha(2α) decay have been systematically investigated for several radioactive nuclei. In double alpha decay, two identical alpha particles are simultaneously emitted from the unstable parent nuclei. In our realistic model we have used Coulomb plus Yukawa plus Exponential potentials as an interacting barrier for separated fragments and Cubic potential for overlapping region to calculate the half-life time for double alpha decay. In our present work, we have calculated the half-life time of radioactive nuclei with Z = 60 to 93 using our CYE Model in two sphere approximation. The calculated half-life time values are compared with available theoretical models such as Analytical Super Asymmetric Fission Model (ASAFM), Semi Empirical Fission formula (SemFIS), Coulomb Proximity Potential Model (CPPM) and Modified Generalized Liquid Drop Model (MGLDM). Our results are in well agreement with the results of other available models.
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