Published May 1975 | Version v1
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Optical potential for low energy neutrons. Imaginary potential for neutron-40Ca elastic scattering

Description

A derivation of the optical potential from the Green's function formalism is achieved including RPA correlations. The imaginary parts of a nonlocal and equivalent local optical potentials are calculated for low energy neutron scattering on 40Ca, using a zero-range effective nucleon-nucleon interaction. The potential is obtained as a sum of a surface and a volume terms, the parameters of which are in qualitative agreement with phenomenological values

Availability note (English)

MF available from INIS under the Report Number.

Abstract (French)

A partir des proprietes des fonctions de Green, on a obtenu une expression du potentiel optique qui tient compte des correlations du type RPA. La partie imaginaire de ce potentiel optique pour la diffusion de neutrons de basse energie par le 40Ca a ete calculee en utilisant une interaction nucleon-nucleon effective de portee nulle. Les potentiels non locaux et locaux ainsi obtenus comportent un terme de surface et un terme de volume dont les parametres sont en accord qualitatif avec ceux des potentiels phenomenologiques

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Additional details

Publishing Information

Imprint Pagination
50 p.
Report number
IPNO-TH--75-17