Elsevier

Nuclear Physics A

Volume 237, Issue 1, 6 January 1975, Pages 64-82
Nuclear Physics A

A study of the effective interaction by the 15N(3He, t)15O reaction at incident energies between 16.5 and 37.7 MeV

https://doi.org/10.1016/0375-9474(75)90463-7Get rights and content

Abstract

Angular distributions for six triton groups, produced in the 15N(3He, t)15O reaction, have been studied in the incident energy range 16.5–37.7 MeV. Data on 3He elastic and inelastic scattering have been also collected. Optical model parameters have been deduced; the ambiguities in the geometries, strengths and in the energy dependence seem to be correlated. Macroscopic calculations give a satisfactory description to the isobaric analog state transition by using a complex symmetry potential; a large energy dependence of the surface imaginary term is required. A microscopic analysis is also given. Evidence for the need of a tensor term in the effective interaction has been found. The energy dependence, of exponential type, seems to be similar for all the isospin-dependent terms of the microscopic effective interaction.

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