Elastic Pion Scattering on the Deuteron in a Multiple Scattering Model
S. S. Kamalov, L. Tiator, C. Bennhold
Abstract
Pion elastic scattering on deuterium is studied in the KMT multiple scattering approach developed in momentum space. Using a Paris wave function and the same methods and approximations as commonly used in pion scattering on heavier nuclei excellent agreement with differential cross section data is obtained for a wide range of pion energies. Only for Tπ>250 MeV and very backward angles, discrepancies appear that are reminiscent of disagreements in pion scattering on 3He, 3H, and 4He. At low energies the second order corrections have been included. Polarization observables are studied in detail. While tensor analyzing powers are well reproduced, vector analyzing powers exhibit dramatic discrepancies.
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