Journal
PHYSICS LETTERS B
Volume 705, Issue 3, Pages 255-259Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2011.10.003
Keywords
Beyond mean field approximation; Shape coexistence; rp-process waiting point
Funding
- Spanish Ministerio de Educacion y Ciencia [FPA2009-13377-C02-01]
- Programa de Ayu-das para Estancias de Movilidad
- HIC4FAIR scholarship
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We study the low-lying energy spectrum of the rp-process waiting point nucleus Zr-80 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. (C) 2011 Elsevier B.V. All rights reserved.
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