Taming singularities in transverse-momentum-dependent parton densities

TL;DR

This paper introduces a consistent method to handle divergences in transverse-momentum-dependent parton densities within leading-order QCD perturbation theory, improving the theoretical framework.

Contribution

It presents a novel approach to manage singularities in TMD parton densities, enhancing the accuracy of perturbative QCD calculations.

Findings

Successfully regularized divergences in TMD densities.

Provided a framework for more precise TMD computations.

Improved theoretical consistency in QCD perturbation theory.

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.