Geometric Scaling in a Symmetric Saturation Model

Abstract

We illustrate geometric scaling for the photon-proton cross section with a very simple saturation model. We describe the proton structure function F2 at small x in a wide kinematical range with an elementary functional form and a small number of free parameters. We speculate that the symmetry between low and high Q2 recently discovered in the data could be related to a well-known symmetry of the two-gluon- exchange dipole-dipole cross section.

15 pages, 4 figures

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• Investigating F_L(x,Q2) at fixed energy in the color dipole formalism
• Phenomenology on the QCD dipole picture revisited
• Heavy Quark Production in Ultra High Energy Cosmic Ray Interactions
• Revisiting the phenomenology on the QCD color dipole picture
• Nonlinear corrections to the nuclear heavy flavor structure functions
• Some remarks on geometric scaling