Sudakov Form Factors in Leptoproduction of Vector Mesons
I. M. Dremin
Abstract
It is shown that Sudakov form factors for a colour dipole in a QCD-inspired model of leptoproduction of vector mesons reduce the value of the cross section of the process by an order of magnitude. They suppress the large size quark- antiquark pairs and unequal sharing of energy among the components of the dipole. Some freedom in the choice of the model parameters is also discussed.
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