Analysis of the proton amplitude of scattering on bounded nuclear nucleons based on proton-nucleus scattering data

Based on the microscopic model of proton-nucleus optical potential in which the amplitude of scattering of an incident proton on a bound nuclear nucleon is explicitly revealed, the experimental data of the proton elastic and inelastic scattering on 12C, 40Ca, 58Ni and 208Pb target nuclei at the energy range between 200MeV and 1000MeV are analyzed. Three parameters of the proton amplitude characterizing the scattering of protons on the bound nuclear nucleons are adjusted to the proton-nucleus scattering data and compared to the same parameters in case of proton scattering on free unbound nucleons to estimate "in-medium" effect on the proton-nucleus scattering process.