Gluon Saturation and S-Matrix Unitarity

Details Gluon Saturation and S-Matrix Unitarity Gluon Saturation and S-Matrix Unitarity

2002-05-30

arxiv.org/abs/hep-ph/0205343v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures. Talk presented at the XXXVIIth Rencontres de Moriond "QCD and High Energy Hadronic Interactions", Les Arcs

Scientific paper

The impact parameter dependent gluon distribution of the proton xG(x,Q^2,b) is investigated in a loop-loop correlation model that respects the S-matrix unitarity condition in impact parameter space. We find low-x saturation of G(x,Q^2,b) as a manifestation of S-matrix unitarity. The integrated gluon distribution xG(x,Q^2) does not saturate because of the growth of the effective proton radius with decreasing x.

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