Isobaric multiplet yrast energies and isospin non-conserving forces
A. P. Zuker, S. M. Lenzi, G. Martinez-Pinedo, A. Poves
Abstract
The isovector and isotensor energy differences between yrast states of isobaric multiplets in the lower half of the pf region are quantitatively reproduced in a shell model context. The isospin non-conserving nuclear interactions are found to be at least as important as the Coulomb potential. Their isovector and isotensor channels are dominated by J=2 and J=0 pairing terms, respectively. The results are sensitive to the radii of the states, whose evolution along the yrast band can be accurately followed.
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