Inelastic scattering of protons from ^{6,8}He and ^{7,11}Li in a folding model approach
Abstract
The proton-inelastic scattering from ^{6,8}He and ^{7,11}Li nuclei are studied in a folding model approach. A finite-range, momentum, density and isospin dependent nucleon-nucleon interaction (SBM) is folded with realistic density distributions of the above nuclei. The renormalization factors N_R and N_I on the real and volume imaginary part of the folded potentials are obtained by analyzing the respective elastic scattering data and kept unaltered for the inelastic analysis at the same energy. The form factors are generated by taking derivatives of the folded potentials and therefore required renormalizations. The \beta values are extracted by fitting the p + ^{6,8}He,^{7,11}Li inelastic angular distributions. The present analysis of p + ^8He inelastic scattering to the 3.57 MeV excited state, including unpublished forward angle data (RIKEN) confirms L = 2 transition. Similar analysis of the p + ^6He inelastic scattering angular distribution leading to the 1.8 MeV (L = 2) excited state fails to satisfactorily reproduce the data.