paper

Onset of T=0 Pairing and Deformations in High Spin States of the N=Z Nucleus 48Cr

arXiv:nucl-th/9802045 · doi:10.1016/S0370-2693(98)00936-8

Abstract

The yrast line of the N=Z nucleus 48Cr is studied up to high spins by means of the cranked Hartree-Fock-Bogoliubov method including the T=0 and T=1 isospin pairing channels. A Skyrme force is used in the mean-field channel together with a zero-range density-dependent interaction in the pairing channels. The extensions of the method needed to incorporate the neutron-proton pairing are summarized. The T=0 pairing correlations are found to play a decisive role for deformation properties and excitation energies above 16hbar which is the maximum spin that can be obtained in the f7/2 subshell.

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