Abstract

The decay characteristics of 1- and 2-neutron halo nuclei from 270-316116, 272-318118 and 278-320120 even-even nuclei is studied within the frame work of the Coulomb and Proximity Potential Model (CPPM). Halo structure in neutron rich nuclei is identified by calculating the neutron separation energies and on the basis of potential energy considerations. A comparison of the decay half-life is made by considering the halo nuclei as spherical cluster and as deformed nuclei with a rms radius. Further, neutron shell closure at neutron numbers 150, 164 and 184 is identified form the plot of log10T1/2 verses the neutron number of parents.

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