Glue in the pomeron from nonlinear k_\perp-factorization

Details Glue in the pomeron from nonlinear k_\perp-factorization Glue in the pomeron from nonlinear k_\perp-factorization

2006-02-08

arxiv.org/abs/hep-ph/0602070v1

JETP Lett. 83 (2006) 192-197

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages

Scientific paper

10.1134/S002136400605002X

We derive the nonlinear k_\perp-factorization for the spectrum of jets in high-mass diffractive deep inelastic scattering as a function of three hard scales - the virtuality of the photon Q^2, the transverse momentum of the jet and the saturation scale Q_A. In contrast to all other hard reactions studied so far, we encounter a clash between the two definitions of the glue in the pomeron -- from the inclusive spectrum of leading quarks and the small-\beta evolution of the diffractive cross section. This clash casts a further shadow on customary applications of the familiar collinear factorization to a pQCD analysis of diffractive deep inelastic scattering.

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