Measurement of πphotoproduction on the proton from 550 to 1500 MeV at GRAAL O. Bartalini, V. Bellini, J. P. Bocquet, M. Capogni, L. Casano, M. Castoldi, P. Calvat, A. D'Angelo, R. Di Salvo, A. Fantini et al. (23 more) Eur. Phys. J. A, 26 3 (2005) 399-419 Published online: 23 January 2006 DOI: 10.1140/epja/i2005-10191-2