Neutral Pion Photoproduction on Neutron

The reaction γ n → π 0 n is investigated both theoretically and experimentally as an important step toward determining the electromagnetic coupling constants of the N * and Δ* resonances [1]. We analyze the data on the collisions of γ quanta with energies between 200 and 800 MeV with a deuterium target collected by the A2 experiment in Mainz, Germany. These complement the data for neutral-pion photoproduction on protons obtained by the same experiment [2].