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Born approximation is investigated in detail using time-dependent perturbation theory, and it is found that the center-of-mass (CM) frame is particularly convenient to work in. Transformation equations relating the lab and CM frames are developed. Those parts of the second-Born amplitude which correspond to the Breit amplitude are isolated, and the Breit equation with the electromagnetic Breit interaction is investigated in detail. Corrections to the scattering crosssections which are inversely proportional to the nucleus mass (recoil corrections) are calculated. Numerical results are presented for the particular case of laO.
๐ SIMILAR VOLUMES
In this paper we introduce two new dynamical variables: the isospin polarization and isospinspin polarization of a hadron in the final state of a given reaction. As an application, the nucleon isospin polarization in pion-nucleon scattering is studied. The numerical results for nucleon isopolarizati