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Measurements of the proton-deuteron elastic triple scattering parameters R and A have been made at the indicated laboratory energies. Formulas, based on the impulse approximation, are given relating various elastic scattering parameters to nucleon-nucleon scattering amplitudes. The expressions were evaluated using nucleonnucleon amplitudes of Breit and collaborators, and of Gammel and Thaler, and were compared with the R and A measurements, and with cross-section and polarization measurements of Postma and Wilson. The fit for solutions YLAN 3 and 3M is adequate for angles less than 45 degree lab. (Author).
A fully symmetrized multiple scattering series is considered for the description of proton-deuteron elastic scattering. An off-shell continuation of the experimentally known twobody amplitudes that retains the exchange symmeteries required for the calculation is presented. The one boson exchange terms of the two body amplitudes are evaluated exactly in this off-shell prescription. The first two terms of the multiple scattering series are calculated explicitly whereas multiple scattering effects are obtained as minimum variance estimates from the 146-MeV data of Postma and Wilson. The multiple scattering corrections indeed consist of low order partial waves as suggested by Sloan based on model studies with separable interactions. The Hamada-Johnston wave function is shown consistent with the data for internucleon distances greater than about 0.84 fm.