Resonant modes in light nuclei

Document Type

Article

Publication Date

1-18-1990

Abstract

The microscopic character of the giant quadrupole resonance in light, deformed nuclei is explored within the context of the contracted sympletic model. Some results are given for 24Mg. A simple parameter, the quadrupole-quadrupole interaction strength, suffices to fix the location of the resonance, the strength of low-lying as well as high-lying 2+→Og+ transitions, and the groundband deformation. The resonance is found to be a highly coherent excitation that spans more than a dozen major shells of the oscillator. Additionally, the results show that the giant resonance is just one manifestation of the existence of a strongly deformed band (βr≈1.5βg) in the continuum that mirrors the low-lying rotational structure. © 1990.

Publication Source (Journal or Book title)

Physics Letters B

First Page

430

Last Page

436

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