Beta decay and shape isomerism in 74Kr
P. Sarriguren, E. Moya de Guerra, A. Escuderos, A. C. Carrizo
Abstract
We study the properties of 74Kr, and particularly the Gamow Teller strength distribution, using a deformed selfconsistent HF+RPA method with Skyrme type interactions. Results are presented for two density-dependent effective two-body interactions, including the dependence on deformation of the HF energy that exhibits two minima at close energies and distant deformations, one prolate and one oblate. We study the role of deformation, residual interaction, pairing and RPA correlations on the Gamow Teller strength distribution. Results on moments of inertia and gyromagnetic factors, as well as on E0 and M1 transitions are also presented.
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