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Quantitative description of superdeformed bands with the projected shell model

Quantitative description of superdeformed bands with the projected shell model We propose a theoretical description of superdeformed bands based on the projected shell model. The shell model basis is constructed at the superdeformed minimum and projected onto states of good angular momentum, and a two-body Hamiltonian is then diagonalized in this basis. We take the superdeformed band in Ce 132 as an example. Good agreement with the measured gamma-ray energies allows us to suggest spin values for these superdeformed states. Finally, we propose an explanation for the recently observed Δ I =4 bifurcation disappearance at a rotational frequency of ħω≃0.65 in this nucleus. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

Quantitative description of superdeformed bands with the projected shell model

Sun, Yang; Guidry, Mike
Physical Review C , Volume 52 (6) – Dec 1, 1995
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1995 The American Physical Society
ISSN
1089-490X
DOI
10.1103/PhysRevC.52.R2844
Publisher site
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Abstract

We propose a theoretical description of superdeformed bands based on the projected shell model. The shell model basis is constructed at the superdeformed minimum and projected onto states of good angular momentum, and a two-body Hamiltonian is then diagonalized in this basis. We take the superdeformed band in Ce 132 as an example. Good agreement with the measured gamma-ray energies allows us to suggest spin values for these superdeformed states. Finally, we propose an explanation for the recently observed Δ I =4 bifurcation disappearance at a rotational frequency of ħω≃0.65 in this nucleus.

Journal

Physical Review C – American Physical Society (APS)

Published: Dec 1, 1995

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