Spherical shell model description of rotational motion

Publisher Website
Google Scholar
Abstract
Exact diagonalizations with a realistic interaction show that configurations with four neutrons in a major shell and four protons in another—or the same—major shell, behave systematically as backbending rotors. The dominance of the q⋅q component of the interaction is related to an approximate ‘‘quasi-SU3’’ symmetry. It is suggested that the onset of rotational motion in the rare earth nuclei is due to the promotion of the eight particle blocks to the major shells above the ones currently filling. Assuming a ‘‘pseudo-SU3’’ coupling for the particles in the lower orbits, it is possible to account remarkably well for the observed B(E2) rates at the beginning of the region.
All Related Versions