p3H→n3He charge exchange and p3H and p3He elastic scattering at intermediate energies

The elastic differential p3H cross section at 415 MeV and the charge exchange differential cross section p3H→n3He at 415 and 600 MeV have been measured, using a quasi-monokinetic triton beam obtained by stripping an α-particle beam extracted from the Saturne I synchrotron at Saclay. Putting together these new data and previous results on p3H and p3He elastic scatterings, two complete sets of proton mass-3 nuclei differential cross section are available at 415 and 600 MeV. Expressing the proton-nucleus amplitudes through spin/isospin dependent Glauber model in terms of N-N phase shifts the three differential cross sections can be described simultaneously and satisfactorily at both energies. Nevertheless, some discrepancies remain between theoretical predictions and experiment, specially near and beyond the dip region. These disagreements can be due to the model approximations (off shell effects, multiple scattering momentum transfer equipartition) and/or to the uncertainties on the N-N phase shifts at 600 MeV