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Nuclear tetrahedral configurations at spin zero

par Zberecki, Krzysztof;Heenen, Paul-Henri ;Magierski, Piotr
Référence Physical Review C (Nuclear Physics)
Publication Publié, 2009

Article révisé par les pairs

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Résumé :

The possibility of the existence of stable tetrahedral deformations at spin zero is investigated using the Skyrme-HFBCS approach and the generator coordinate method (GCM). The study is limited to nuclei in which the tetrahedral mode has been predicted to be favored on the basis of non-self-consistent models. Our results indicate that a clear identification of tetrahedral deformations is unlikely because they are strongly mixed with the axial octupole mode. However, the excitation energies related to the tetrahedral mode are systematically lower than those of the axial octupole mode in all the nuclei included in this study. © 2009 The American Physical Society.