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By using a simple barrier penetration approach,we predict the α-decay branching ratios to members of ground-state rotational band of heavy even-even No isotopes. We also extend our approach to calculate the α-decay branching ratios to the rotational band of heavy odd-A nuclei. The theoretical branching ratios of α-decays are found in good agreement with the available experimental data.
By using a simple barrier penetration approach, we predict the α-decay branching ratios to members of ground-state rotational band of heavy even-even No isotopes. We also extend our approach to calculate the α-decay branching ratios to the rotational band of The theoretical branching ratios of α-decays are found in good agreement with the available experimental data.