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Hard jet probes in terms of colorless QCD dipoles

R. Peschanski

hep-pharXiv:hep-ph/9910377

Abstract

the forward jet playing the role of a hard probe is analyzed in terms of QCD dipole (color-singlet q q) configurations in the transverse position space. There are sizable differences with the analogous q q configurations of a hard photon which may lead to significant phenomenological consequences on the analysis of hard processes using a forward jet probe, e.g. at the Tevatron. A geometrical interpretation of the resulting distribution in terms of black disk diffraction is proposed.

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