The Wilson renormalization group for low x physics: Gluon evolution at finite parton density

Abstract

We derive the complete Wilson renormalization group equation which governs the evolution of the gluon distribution and other gluonic observables at low $x$ and arbitrary density.

Comments: 44 pages, LaTeX(2e), several ps figures included via epsfig; Various misprints corrected. Simplified expressions for chi and sigma added (Eqs. (5.57) to (5.60))