Photoproduction of Neutral Pions for Incident Photon Energies 400-800 MeV. Search for a Resonant P-11 State and Remarks on the eta Cusp Effect

Phys.Rev. 159 (1967) 1124-1137, 1967.

Abstract (data abstract)
THE RECOIL PROTON WAS DETECTED IN A RANGE TELESCOPE IN COINCIDENCE WITH A GAMMA FROM THE DECAY OF THE PI0.