Abstract
We have examined the inelastic scattering of pions using the distorted-wave impulse approximation formalism, with full inclusion of nucleon spin and isospin variables for the transition operator. A one-particle-one-hole model was used to describe the nuclear excitations, comprising both low-lying surface vibrations and higher-energy giant resonance states. A numerical solution of the Klein-Gordon equation with an appropriate form for the pion-nucleus optical potential generated the distorted pion waves. Numerical results for the cross sections are presented and the relevant dynamic selection rules are discussed.
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