Taming singularities in transverse-momentum-dependent parton densities

Abstract

We propose a consistent treatment of divergences emerging in the computation of transverse-momentum-dependent parton densities in leading $\alpha_s$-order of QCD perturbation theory.Comment: 3 pages, 1 figure. Talk presented at the International Workshop on Diffraction in High-Energy Physics, 10-15 Sept, 2010, Otranto (Lecce), Italy. v2: affiliation and references correcte