Precise QCD predictions for jet production at the LHC

TL;DR

This paper discusses the importance of including higher-order QCD corrections, specifically two-loop NNLO calculations, to improve the precision of jet production predictions at the LHC.

Contribution

It presents the first numerical results of NNLO QCD corrections for gluonic jet production, including leading-$N_F$ quark contributions, enhancing theoretical accuracy.

Findings

NNLO corrections significantly reduce theoretical uncertainties.

Inclusion of leading-$N_F$ quark contributions improves prediction accuracy.

Results demonstrate the impact of higher-order effects on jet cross sections.

Abstract

Theoretical predictions used in experimental analysis of LHC data have an inherent theoretical uncertainty associated to the relevant order in the perturbative expansion that the observable is computed. In this talk we briefly introduce and motivate the topic of QCD radiative corrections stressing the impact of including higher-order QCD effects in the theory predictions and in particular we consider two-loop QCD corrections. We present numerical results at NNLO for gluonic jet production where jets are reconstructed using the anti-$k_T$ jet algorithm from gluon-gluon and quark-antiquark scattering and discuss the inclusion of leading-$N_F$ quark contributions in the final-state.