Abstract

Elastic and inelastic angular distributions for 0.8 GeV $p$ + $^{154}\mathrm{Sm}$ and $^{176}\mathrm{Yb}$ are reported and analyzed using the distorted-wave Born approximation and the coupled-channels formalism where phenomenological deformed optical potentials are used in the latter analysis. As expected, the multipole moments extracted from the optical potentials are found to be in excellent agreement with those of the charge densities as obtained from electron scattering and Coulomb excitation experiments. The analysis also clearly demonstrates that multistep processes are important at 0.8 GeV and must be included for a proper description of the experimental data.

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