Title

M1 strengths in deformed nuclei

Document Type

Article

Publication Date

4-1-1999

Abstract

The Elliott SU(3) model, extended via pseudo-spin for heavy nuclei, is used to study low-lying magnetic dipole excitations in deformed nuclei. Proton and neutron degrees of freedom are handled explicitly and the system Hamiltonian includes single-particle energies as well as quadrupole-quadrupole and pairing two-body interactions. The calculated excitation spectra and M1 strength distribution of the strongly deformed even-even 156-160Gd isotopes are shown to be in good agreement with experimental results. Results for the γ-unstable (soft rotor) 196Pt nucleus and the even-odd 163Dy system are also reported and found to compare favourably with the available experimental data, demonstrating the ability of the model to describe very different types of systems.

Publication Source (Journal or Book title)

Journal of Physics G: Nuclear and Particle Physics

First Page

605

Last Page

610

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