Double parton scattering for perturbative transverse momenta
Maarten G. A. Buffing, Markus Diehl, Tomas Kasemets
TL;DR
This paper develops a theoretical framework for matching and evolving transverse momentum dependent double parton distributions in perturbative regimes, providing explicit one-loop results relevant for understanding double parton scattering.
Contribution
It introduces a new matching framework and evolution equations for DTMDs, with explicit one-loop calculations, advancing the theoretical understanding of double parton scattering.
Findings
Derived the matching framework for DTMDs onto collinear distributions.
Provided explicit one-loop matching coefficients and evolution kernels.
Established evolution equations for DTMDs at large parton separations.
Abstract
The cross section for transverse momentum dependent double parton scattering involves transverse momentum dependent double parton distributions (DTMDs). In the region of perturbative transverse momentum the DTMDs can be matched onto collinear double parton distributions. We present the framework and results for this matching, as well as the evolution equations for DTMDs in the region of large distance between the two partons. We discuss explicit results for one-loop matching coefficients and evolution kernels.
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