Sudakov Form Factors in Leptoproduction of Vector Mesons

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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9 pages, LATEX, no Figs.; to be published in Mod. Phys. Lett. A

Scientific paper

10.1142/S0217732397002855

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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