Spin observables in small-angle elastic p-arrow-rightd-italic-arrow-right/yields/p-arrow-rightd with an N-type polarized target at 800 MeV

The elastic scattering of 800 MeV polarized protons, with longitudinal, normal, and sideways orientations, from deuterons polarized normal to the scattering plane has been measured. The four-momentum transfer interval measured in this experiment is from 0.03 to 0.17 (GeV/c)/sup 2/. Spin-correlation and spin-transfer observables have been extracted from the data. This experiment is one of a series designed to determine a number of observables in excess of the minimum number required to reconstruct the 12 subamplitudes of the proton-deuteron elastic scattering amplitude directly from spin observables. A comparison of the data with theoretical calculations employing three different phase-shift solutions for NN amplitudes reveals that sizable ambiguities exist in the values of NN amplitudes at small momentum transfers.