Spectroscopic factors for alpha decay in the $N_pN_n$ scheme

Details Spectroscopic factors for alpha decay in the $N_pN_n$ scheme Spectroscopic factors for alpha decay in the $N_pN_n$ scheme

2008-06-04

arxiv.org/abs/0806.0713v1

Phys.Lett.B665:182-185,2008

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1016/j.physletb.2008.06.023

Lifetime values for alpha decay in even-even nuclei with $Z=84-98$ and $N=128-152$ have been calculated in the superasymmetric fission model. The interaction between the alpha particle and the daughter nucleus has been formed in the double folding approach using a density dependent NN interaction. The densities have been obtained using the Relativistic Mean Field formalism. The spectroscopic factors for the decays have been deduced and are shown to vary smoothly as a function of effective numbers of valence nucleons, $N_p$ and $N_n$ chosen with a suitable core. The implication of such a smooth behaviour has been discussed.

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