Abstract
A simple modified one-pion exchange model is applied to the analysis of the reaction np → pΔ 33 0 from 1.39 to 1.90 GeV/c. It is shown that important corrections to the evasive amplitudes can account for the turnover observed in the differential cross-section and rather good fits are obtained. Such corrections do not agree with the prescription known as «poor man’s absorption». The results for the density matrix elements are briefly discussed.
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