We have measured the elastic scattering cross section of π⁺ mesons on deuterium at 3.65 BeV/c. The differential cross section dσdt is presented out to -t≈1 (BeV/c)² and a comparison is made with the prediction of the constant-phase Glauber formula. The agreement is good except in the region of the (theoretical) minimum at -t≈0.4. Starting with the Glauber formula, a method is presented to relate this discrepancy to the phases of π-nucleon scattering in this region.
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Hsiung et al. (1968) studied this question.
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