Elastic Pion Scattering on the Deuteron in a Multiple Scattering Model

Details Elastic Pion Scattering on the Deuteron in a Multiple Scattering Model Elastic Pion Scattering on the Deuteron in a Multiple Scattering Model

1996-02-14

arxiv.org/abs/nucl-th/9602024v1

Phys.Rev.C55:88-97,1997

Physics

Nuclear Physics

Nuclear Theory

25 pages LATEX and 9 postscript figures in a self-extracting uufile archive

Scientific paper

10.1103/PhysRevC.55.88

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 $T_{\pi}>250$ MeV and very backward angles, discrepancies appear that are reminiscent of disagreements in pion scattering on $^3$He, $^3$H, and $^4$He. 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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