Amplitudes for NN → dπ up to 800 MeV

Amplitudes are presented which fit extensive spin-dependent data from 450 to 800 MeV. The energy dependence of 3P2, 1D2 and 3F3 amplitudes agrees in both magnitude and phase with πd → ΔN, with the nucleon playing the role of a spectator; the phases are close to the sum of elastic phase-shifts for NN and πd scattering. The 3P1 amplitude is the sum of a repulsive threshold contribution and an attractive contribution due to the formation of an intermediate Δ. Data from 578 to 800 MeV give reliable determinations of the 1S0 amplitude and a rough determination of the 3F2 amplitude. (author)