Multiple shape coexistence in the nucleus $^{80}$Zr

Details Multiple shape coexistence in the nucleus $^{80}$Zr Multiple shape coexistence in the nucleus $^{80}$Zr

2011-09-29

arxiv.org/abs/1109.6511v1

Physics Letters B 705, 255 (2011)

Physics

Nuclear Physics

Nuclear Theory

6 pages, 3 figures, submitted to Physics Letters B

Scientific paper

We study the low-lying energy spectrum of the rp-process waiting point nucleus 80Zr with state-of-the-art beyond mean field methods with the Gogny D1S interaction. Symmetry restoration and configuration mixing of axial and triaxial shapes are included in the calculations. Five 0+ states corresponding to different nuclear shapes are obtained below 2.25 MeV and several rotational and {\gamma}- bands built upon them are identified. Nevertheless, these states do not modify the {\beta}-decay half-life having a negligible effect in the rp-process. A good agreement with the available experimental data is obtained.

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