Role of the cluster deformations in explaining the exotic decay half-lives
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We investigate the influence of nuclear deformations of the cluster and daughter nuclei on the exotic cluster decay half-lives of 221 <= A <= 242 for the favored cluster decay of the radioactive nuclei by using the semiclassical WKB method and the Bohr-Sommerfeld quantization condition. The results have also been presented for the spherical nuclei case in order to show clearly the effects of the deformations on the exotic decay half-lives. The half-lives become close to the experimental data when both the deformation of daughter and cluster nuclei are taken into account in the calculations. Furthermore, considering cluster deformations together with the orientation angles of daughter and cluster also provides positive contributions to the results.