Eta' photoproduction on the proton for photon energies from 1.527 to 2.227 GeV. - Dugger M; Ball JP; Collins P; Pasyuk E; Ritchie BG; Adams G; Ambrozewicz P; Anciant E; Anghinolfi M; Asavapibhop B; Asryan G; Audit G; et al. (Physical review letters, 2006)