Central jet production as a probe of the perturbative formalism for exclusive diffraction V.A. Khoze, A.D. Martin and M.G. Ryskin Eur. Phys. J. C, 48 2 (2006) 467-475 Published online: 24 October 2006 DOI: 10.1140/epjc/s10052-006-0025-5