Structure of odd Ge isotopes with 40 < N < 50

We have interpreted recentlymeasured experimental data of 77Ge, and also for 73,75,79,81Ge isotopes in terms of state-of-the-art shell-model calculations. Excitation energies, B(2) values, quadrupole moments and magnetic moments are compared with experimental data when available. The calculations have been performed with the recently derived interactions, namely with JUN45 and jj44b for f 5/2pg9/2 space. We have also performed calculation for fpg 9/2 valence space using an fpg effective interaction with 48Ca core and imposing a truncation to study the importance of the proton excitations across the Z = 28 shell in this region. The predicted results of jj44b interaction are in good agreement with experimental data.

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