Recoil proton distribution in high energy photoproduction processes E. Bartoš, E.A. Kuraev, Y.P. Peresunko and E.A. Vinokurov Eur. Phys. J. C, 52 1 (2007) 173-176 Published online: 24 July 2007 DOI: 10.1140/epjc/s10052-007-0363-y