Small x nonlinear evolution with impact parameter and the structure function data

Details Small x nonlinear evolution with impact parameter and the structure function data Small x nonlinear evolution with impact parameter and the structure function data

2011-06-28

arxiv.org/abs/1106.5740v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 11 figures. Minor revision. One reference added, two figures updated

Scientific paper

The nonlinear Balitsky-Kovchegov equation at small x is solved numerically, incorporating impact parameter dependence. Confinement is modeled by including effective gluon mass in the dipole evolution kernel, which regulates the splitting of dipoles with large sizes. It is shown, that the solution is sensitive to different implementations of the mass in the kernel. In addition, running coupling effects are taken into account in this analysis. Finally, a comparison of the calculations using the dipole framework with the inclusive data from HERA on the structure functions F2 and FL is performed.

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