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Spherical shell model description of rotational motion

A. P. Zuker, J. Retamosa, A. Poves, and E. Caurier
Phys. Rev. C 52, R1741(R) – Published 1 October 1995
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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 qq 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.

  • Received 13 July 1994

DOI:https://doi.org/10.1103/PhysRevC.52.R1741

©1995 American Physical Society

Authors & Affiliations

A. P. Zuker, J. Retamosa, A. Poves, and E. Caurier

  • Physique Théorique, Bâtiment 40/1 CRN, Institut National de Physique Nucléaire et des Particles-CNRS/Université Louis Pasteur, Boîte Postale 28, F-67037 Strasbourg Cedex 2, France
  • Departamento de Física Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain

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Issue

Vol. 52, Iss. 4 — October 1995

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