Shape mixing in the A 70 region
Abstract
We investigate the mixing of different shapes in the A~70 region using the adiabatic self-consistent collective method in a rotating nuclei. The calculation is done for 68Se and 72-78Kr which are known to show oblate-prolate shape coexistence at low angular momentum. A pairing-plus-quadrupole Hamiltonian, which is known to reproduce reproduce the structure nuclei in this mass region, is used. We calculate the collective path between the oblate and prolate minima and discuss how the collective behaviour of the system changes with increasing angular momentum.
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