Pomeron fan diagrams with an infrared cutoff and running coupling

Details Pomeron fan diagrams with an infrared cutoff and running coupling Pomeron fan diagrams with an infrared cutoff and running coupling

2003-08-29

arxiv.org/abs/hep-ph/0308320v1

Phys.Lett. B576 (2003) 115-121

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 5 figures

Scientific paper

By direct numerical calculations the influence of a physically relevant infrared cutoff and running coupling on the gluon density and structure function of a large nucleus is studied in the perturbative QCD approach. It is found that the infrared cutoff changes the solutions very little. Running of the coupling produces a bigger change, considerably lowering both the saturation momentum and values of the structure functions.

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