Evolution of Neutron Shell Structure of N = 14, 16 Isotones

Авторы: Bespalova O.V., Klimochkina A.A., Mosunov M.M.
Журнал: Physics of Atomic Nuclei
Том: 87
Номер: Suppl. 2
Год издания: 2024
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: S363
Последняя страница: S371
DOI: 10.1134/S1063778824700844
Аннотация: The evolution of the single-particle characteristics of neutron- and proton-rich isotones withthe new magic numbers N = 14, 16 in the Z range from 8 to 20 in the dispersive optical model wastraced. The calculated energy gaps N = 14 and 16 widened with the increase in excess of protons andneutrons, respectively. At the same time, the deviation of half-sum of the single-particle energies of the lastpredominantly occupied and the first predominantly unoccupied states from the Fermi energy decreased.The widening of the gaps were enhanced under the assumption of an increase in the diffuseness of theHartree–Fock component of the dispersive optical model potential with an increase in the neutron excessover the range of Z numbers considered. The bubble structure manifests itself clearly in the neutron densitydistribution of the proton-unstable nucleus 34Ca.
Добавил в систему: Мосунов Максим Михайлович

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