Photoproduction of events with rapidity gaps between jets at HERA S. Chekanov, M. Derrick, S. Magill, S. Miglioranzi, B. Musgrave, D. Nicholass, J. Repond, R. Yoshida, M.C.K. Mattingly, N. Pavel et al. (306 more) Eur. Phys. J. C, 50 2 (2007) 283-297 Published online: 20 February 2007 DOI: 10.1140/epjc/s10052-007-0241-7