Calculation of gamma-ray spectroscopy of pg9/2+ isomers in 69,71,73,75,77,79As nuclei

摘要

We have calculated binding energy, reduced transition probabilities and deformation parameter in69,71,73,75,77,79As nuclei. The energies of projectile-like fragments and Q-value in76Ge (635 MeV) +198Pt reactions are also calculated. The theoretical calculations of projectile like fragments (PLFs) energies are compared with the experimental values. The systematic energies for 9/2+5/2-de-excitation of those nuclei indicate maximum deformation at N=42. The decrease in excitation level of the 9/2+state from69As to79As provides some evidence for decreasing quadruple “softness” towards the closed neutron shell at N = 40. We have reported single and coincidenceg-ray spectroscopy of79As by deep-inelastic collision76Ge (635 MeV) +198Pt. The systematic isomeric level and reduced transition probabilities of69,71,73,75,77,79As nuclei have been investigated.