First correction to JIMWLK evolution from the classical equations of motion

Details First correction to JIMWLK evolution from the classical equations of motion First correction to JIMWLK evolution from the classical equations of motion

2007-01-19

arxiv.org/abs/hep-ph/0701160v1

J.Phys.G34:S623-626,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, LaTeX, 2 eps figures included using graphicx, uses enclosed iopart.cls; contribution to the proceedings of Quark Matt

Scientific paper

10.1088/0954-3899/34/8/S58

We calculate some ${\cal O}(\alpha_s^2)$ corrections to the JIMWLK kernel in the framework of the light-cone wave function approach to the high energy limit of QCD. The contributions that we consider originate from higher order corrections in the strong coupling and in the density of the projectile to the solution of the classical Yang-Mills equations of motion that determine the Weizs\"acker-Williams fields of the projectile. We study the structure of these corrections in the dipole limit, showing that they are subleading in the limit of large number of colours $N$, and that they cannot be fully recast in the form of dipole degrees of freedom.

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