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Shell effects in superdeformed minima

par Heenen, Paul-Henri ;Dobaczewski, Jacek;Nazarewicz, Witold;Bonche, Paul;Khoo, T. L.
Référence Physical Review C (Nuclear Physics)
Publication Publié, 1998

Article révisé par les pairs

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Résumé :

Recent and planned experiments aiming at the observation of the direct links between superdeformed and normal-deformed structures in the A∼ - 190 mass region may offer unique information on the absolute nuclear binding energy in the 2:1 minima, and hence on the magnitude of shell effects in the superdeformed well. In the present paper, the self-consistent mean-field theory with density-dependent pairing interaction is used to explain at the same time the two-particle separation energies in the first and second wells, and the excitation energies of superdeformed states in the A ∼ 190 and A ∼ 240 mass regions.