Rksumk La diffusion Bastique proton-deuton a kt8 Btudiee & E, = 22.7 MeV, oii l'on a compare calculs du type Faddeev et rhsultats experimentaux. Les calculs predisent que les coefficients de transfert de polarisation sont plus sensibles aux details du potentiel nucleon-nuclbn que les pouvoirs d'analyse. Par consequent nous avons mesure les coefficients de transfert proton-proton K< et K$. L'observable la plus sensible B la force tensorielle est K$. La distribution angulaire de K$ et, dans une

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... indre mesure, celle de K$ favorisent le choix du potentiel Bonn A. Abstract The proton-deuteron elastic scattering has been investigated at Ep=22.7 MeV by comparison of rigorous Faddeev calculations with experimental results. From the calculations it was found that polarization transfer coefficients are more sensitive to details of the nucleon-nucleon potentials than the analyzing powers. Therefore we measured the proton to proton transfer coefficients K< and K$. The observable most sensitive to the tensor force is K$. The angular distributions of K t and, to a smaller extent, K$ clearly favour the Bonn A potential.