Z(5): Critical point symmetry for the prolate to oblate nuclear shape phase transition

Details Z(5): Critical point symmetry for the prolate to oblate nuclear shape phase transition Z(5): Critical point symmetry for the prolate to oblate nuclear shape phase transition

2004-02-25

arxiv.org/abs/nucl-th/0402087v1

Phys.Lett. B588 (2004) 172-179

Physics

Nuclear Physics

Nuclear Theory

LaTeX, 14 pages

Scientific paper

10.1016/j.physletb.2004.03.029

A critical point symmetry for the prolate to oblate shape phase transition is introduced, starting from the Bohr Hamiltonian and approximately separating variables for $\gamma=30^{\rm o}$. Parameter-free (up to overall scale factors) predictions for spectra and B(E2) transition rates are found to be in good agreement with experimental data for 194-Pt, which is supposed to be located very close to the prolate to oblate critical point, as well as for its neighbours (192-Pt, 196-Pt).

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