Full-folding optical potential for preequilibrium nucleon scattering at low energies

Details Full-folding optical potential for preequilibrium nucleon scattering at low energies Full-folding optical potential for preequilibrium nucleon scattering at low energies

1998-07-25

arxiv.org/abs/nucl-th/9807067v1

Physics

Nuclear Physics

Nuclear Theory

10 pages, 4 ps figures, REVTeX, submitted to Phys.Rev.C

Scientific paper

The real part of the optical potential for the nucleon-nucleus scattering at lower energies (E_i<100MeV) has been calculated including nucleonic and mesonic form factors by a double folding approach. Realistic density- and energy-dependent effective NN-interactions DDM3Y, BDM3Y and HLM3Y based on the Reid and Paris potentials are used in this respect. The effects of the nucleon density distribution and the average relative momentum on the folded potential have been analysed. A good agreement with the phenomenological potential of Lagrange-Lejeune, as well as with the parametrization of Jeukenne-Lejeune-Mahaux for both neutron and proton double-folded potentials is obtained. The results indicate that the strongly simplified model interactions used in preequilibrium reaction theory neglect important dynamical details of such processes.

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