Branching ratios of $\alpha$-decay to excited states of even-even nuclei

Abstract

Branching ratios of $\alpha$-decay to members of the ground state rotational band and excited 0${}^{+}$ states of even-even nuclei are calculated in the framework of the generalized liquid drop model (GLDM) by taking into account the angular momentum of the $\alpha$-particle and the excitation probability of the daughter nucleus. The calculation covers isotopic chains from Hg to Fm in the mass regions $180<A<202$ and A$\ge 224$. The calculated branching ratios of the $\alpha$-transitions are in good agreement with the experimental data and some useful predictions are provided for future experiments.

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