Signatures of shape transition in odd-A neutron-rich Rubidium isotopes

Details Signatures of shape transition in odd-A neutron-rich Rubidium isotopes Signatures of shape transition in odd-A neutron-rich Rubidium isotopes

2010-12-02

arxiv.org/abs/1012.0431v1

Phys.Rev.C82:061302,2010

Physics

Nuclear Physics

Nuclear Theory

6 pages, 7 figures. To appear in Phys. Rev. C (Rapid Communications)

Scientific paper

10.1103/PhysRevC.82.061302

The isotopic evolution of the ground-state nuclear shapes and the systematics of one-quasiproton configurations are studied in odd-A Rubidium isotopes. We use a selfconsistent Hartree-Fock-Bogoliubov formalism based on the Gogny energy density functional with two parametrizations, D1S and D1M, and implemented with the equal filling approximation. We find clear signatures of a sharp shape transition at N=60 in both charge radii and spin-parity of the ground states, which are robust, consistent to each other, and in agreement with experiment. We point out that the combined analysis of these two observables could be used to predict unambiguously new regions where shape transitions might develop.

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