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Microscopic derivation of local interactions between p-shell nuclei

par Adahchour, Abderrahim ;Baye, Daniel Jean ;Descouvemont, Pierre
Référence Nuclear physics. A, 579, 1-2, page (305-318)
Publication Publié, 1994

Article révisé par les pairs

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Résumé :

Microscopic phase shifts are calculated in a single-channel two-centre generator-coordinate method for the elastic scattering of the 13C + 12C, 15N + 12C, 16O + 15C and 16O + 15N systems. For each partial wave, equivalent local potentials are derived with an accurate inversion technique. The properties of the parity-dependent and spin-orbit parts of these nucleus-nucleus potentials are analyzed and compared. The parity effect is stronger for 13C + 12C and 16O + 15N and its sign follows a rule deduced from a simplified microscopic model. The spin-orbit term is larger for even l than for odd l. In all cases, it is positive for even l at large distances. © 1994.