Inverse bremsstrahlung contributions to Drell-Yan like processes

TL;DR

This paper investigates the impact of inverse bremsstrahlung processes as part of electroweak corrections in Drell-Yan lepton pair production at hadron colliders, emphasizing their importance for precision predictions.

Contribution

It introduces the calculation of inverse bremsstrahlung contributions to Drell-Yan processes, highlighting their significance for achieving 1% accuracy in theoretical models.

Findings

Inverse bremsstrahlung contributions are significant for precise Drell-Yan predictions.

Numerical results demonstrate the relevance of these corrections at LHC conditions.

Both neutral and charged current cases are analyzed.

Abstract

The contribution of the sub-process $\gamma q \to q' l_1\bar{l}_2$ in hadron-hadron interactions is considered. It is a part of one-loop electroweak radiative corrections for the Drell-Yan production of lepton pairs at hadron colliders. It is shown that this contribution should be taken into account aiming at the 1% accuracy of the Drell-Yan process theoretical description. Both the neutral and charged current cases are evaluated. Numerical results are presented for typical conditions of LHC experiments.