Quasi-free proton-scattering at 164 MeV

Abstract

Inclusive proton spectra have been measured over the angular range 25° – 150° for 164 MeV protons on 27Al, 58Ni, 62Ni and 208Pb. At 25° and 30° a peak attributable to quasi-free scattering, accounting for ≈20% of the total number of fast protons at these angles, is present. No quasi-free peak is evident in the spectra at larger angles. These results are in disagreement with previously published work at this energy but in line with results reported at other energies.