Diffractive electroproduction of two mesons separated by a large rapidity gap
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We consider the process gamma^* N -> M_1 M_2 N' with a large rapidity gap between the two mesons M_1 and M_2. Within the QCD collinear approximation, the scattering amplitude may be written as a convolution of an impact factor describing the gamma^* -> M_1 transition and an amplitude describing the N -> M_2 N' collinear process.
5 pages, 1 .eps figure, Talk presented by L.Sz. at DIS03, St. Petersburg, Russia
5 pages, 1 .eps figure, Talk presented by L.Sz. at DIS03, St. Petersburg, Russia