DIFFERENTIAL CROSS-SECTION FOR ELASTIC N-UP QUASI-FREE SCATTERING AT 67-MEV(D SCATTERING AND N+D BREAK)

The differential cross sections for the n+d elastic scattering and for the H-2 (n,np) n break-up reaction in the np quasi-free scattering co nfiguration was measured at 67 MeV. The experimental data are compared with results of the calculations based on a rigorous solution of the three-nucleon Faddeev equations using meson-exchange potentials. Good agreement is found between experiment and theory for the n+d elastic-s cattering cross section while in the case of np quasi-free scattering the theoretical predictions overestimate the data at neutron angles la rger than 40-degrees by about 30%.