Proton scattering observables from Skyrme-Hatree-Fock densities

TL;DR

This paper uses Skyrme-Hartree-Fock densities to generate non-local optical potentials for proton scattering, achieving good agreement with experimental data and extending the method to exotic neutron-rich nuclei.

Contribution

It introduces a method to generate non-local optical potentials from SHF densities and applies it to both stable and exotic nuclei, improving agreement with experimental data.

Findings

Good agreement with proton scattering data for stable nuclei.

Extension of the g-folding method to neutron-rich exotic nuclei.

Improved analysis accuracy using shell model occupation numbers.

Abstract

Proton and neutron densities from Skyrme-Hartree-Fock (SHF) calculations are used to generate non-local (g-folding) proton-nucleus optical potentials. They are formed by folding the densities with realistic nucleon-nucleon interactions. The potentials are then used to calculate differential cross sections and spin observables for proton scattering. Good agreement with data has been found, supporting those found previously when using SHF charge densities in analyses of electron scattering data. That agreement was improved by use of (shell model) occupation numbers to constrain the HF iterations. That, in part, is also the case with analyses of proton scattering data. The g-folding method is extended to exotic nuclei by including data for neutron-rich sd-shell nuclei from the inverse kinematics of scattering from hydrogen.