Cu(γ,p)Xreaction atEγ=150 and 300MeV

Abstract

Inclusive photoproton cross sections for the reaction $\mathrm{Cu}(\gamma ,p)X$ have been measured for a photon energy of 300 MeV at proton angles 45°, 90°, and 135°, and for 150 MeV at 45°. The data are compared with an intranuclear-cascade calculation and with Ni(${\pi }^{\pm }$,$p$) data. The angular distribution is analyzed to obtain an estimate of the number of nucleons involved in the interaction.