Natural-parity states in superdeformed bands and pseudo SU(3) symmetry at extreme conditions

W. Nazarewicz, P. J. Twin, P. Fallon, and J. D. Garrett
Phys. Rev. Lett. 64, 1654 – Published 2 April 1990
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Abstract

The structure of recently discovered identical superdeformed bands in Tb151 and Dy152, and in Gd150 and Tb151 are discussed in terms of the strong-coupling approach. Based on the experimental evidence that the superdeformed core of Dy152 is extremely insensitive to the polarization effects induced by the odd particle, the bands are shown to exhibit the presence of the pseudo SU(3) symmetry at extreme conditions of large elongations and high spins.

  • Received 18 December 1989

DOI:https://doi.org/10.1103/PhysRevLett.64.1654

©1990 American Physical Society

Authors & Affiliations

W. Nazarewicz, P. J. Twin, P. Fallon, and J. D. Garrett

  • Institute of Physics, Warsaw University of Technology, ulica Koszykowa 75, PL-00662 Warsaw, Poland
  • Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 3BX, United Kingdom
  • Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

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Issue

Vol. 64, Iss. 14 — 2 April 1990

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