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

Dennis Bonatsos·D. Lenis·D. Petrellis·P. A. Terziev
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Abstract

A critical point symmetry for the prolate to oblate shape phase transition is introduced, starting from the Bohr Hamiltonian and approximately separating variables for $γ=30^{\rm o}$. 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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Dennis Bonatsos, D. Lenis, D. Petrellis, P. A. Terziev. 2004-02-25. Z(5): Critical point symmetry for the prolate to oblate nuclear shape phase transition. https://doi.org/10.1016/j.physletb.2004.03.029

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