Model dependence of single-energy fits to pion photoproduction data R. L. Workman, M. W. Paris, W. J. Briscoe, L. Tiator, S. Schumann, M. Ostrick and S. S. Kamalov Eur. Phys. J. A, 47 11 (2011) 143 Published online: 25 November 2011 DOI: 10.1140/epja/i2011-11143-y