Abstract
Precision measurements of the analyzing powers for the reaction p/sub pol/+p..-->..d+..pi../sup +/ have been made at approx. =550, 600, 650, 700, and 800 MeV. The data have been analyzed in terms of Legendre polynomials. It is found that excitation functions for both even and odd Legendre coefficients exhibit very similar resonant behaviors. It is concluded that the triplet amplitudes are as strongly dominated by the ..delta..(1232) as the well-known singlet amplitude, /sup 1/D/sub 2/, and that the data do not exhibit any anomalous behavior suggestive of dibaryon resonances.
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