Diffractive electroproduction of two mesons separated by a large rapidity gap
Abstract
We consider the process gamma* N -> M1 M2 N' with a large rapidity gap between the two mesons M1 and M2. Within the QCD collinear approximation, the scattering amplitude may be written as a convolution of an impact factor describing the gamma* -> M1 transition and an amplitude describing the N -> M2 N' collinear process.
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