Abstract
A fully antisymmetrized distorted-wave analysis for a one- and two-step reaction mechanism is employed to describe inelastic proton scattering. Virtual excitation of the giant dipole resonance occurs in the intermediate state. The mieroscopie-model description is able to account for the absolute magnitude and shape of the differential crosssection for the 01+ to 02+ monopole transition. The major contributions come from the two-step amplitude. Antisymmetrization in the two-step mechanism provides for important blocking effects and is essential to enable the two-step mechanism to contribute at all. This caleulation enlarges the old core polarization knock-out mechanism.
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