Reaction cross sections for proton scattering from stable and unstable nuclei based on a microscopic approach

Details Reaction cross sections for proton scattering from stable and unstable nuclei based on a microscopic approach Reaction cross sections for proton scattering from stable and unstable nuclei based on a microscopic approach

2007-06-19

arxiv.org/abs/0706.2693v1

Phys.Rev.C76:034602,2007

Physics

Nuclear Physics

Nuclear Theory

11 pages, 4 figures, submitted to Phys. Rev. C

Scientific paper

10.1103/PhysRevC.76.034602

Microscopic optical model potential results for reaction cross sections of proton elastic scattering are presented. The applications cover the 10-1000 MeV energy range and consider both stable and unstable nuclei. The study is based on in-medium g-matrix full-folding optical model approach with the appropriate relativistic kinematic corrections needed for the higher energy applications. The effective interactions are based on realistic NN potentials supplemented with a separable non-Hermitian term to allow optimum agreement with current NN phase-shift analyzes, particularly the inelasticities above pion production threshold. The target ground-state densities are obtained from Hartree-Fock-Bogoliubov calculations based on the finite range, density dependent Gogny force. The evaluated reaction cross sections for proton scattering are compared with measurements and their systematics is analyzed. A simple function of the total cross sections in terms of the atomic mass number is observed at high energies. At low energies, however, discrepancies with the available data are observed, being more pronounced in the lighter systems.

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