Towards mapping the proton unintegrated gluon distribution in dijets correlations in real and virtual photoproduction at HERA

Abstract

It is discussed how the dijet azimuthal correlations in DIS and real photoproduction at HERA probe the unintegrated gluon distribution in the proton. The correlation function shows a strong dependence on kinematical variables. We discuss a possible interplay of perturbative and nonperturbative effects.

Comments: 6 pages, 2 figures, a talk at DIS2001, April/March 2001, Bologna, Italy