Single jet inclusive production for the individual jet $p_T$ scale choice at the LHC

Abstract

We study the single jet inclusive cross section up to next-to-next-to leading order in perturbative QCD, implemented in the parton-level event generator NNLOJET . Our results are fully differential in the jet transverse momentum and rapidity and we apply fiducial cuts for comparison with the available ATLAS 7 TeV 4.5 fb${}^{-1}$ data for jet radius $R=0.4$. For the theoretical calculation we employ the antenna subtraction method to reliably cancel all infrared divergences present at intermediate stages of the calculation. We present all results using the individual jet transverse momentum ${\mu }_R={\mu }_F\sim p_T$ as the renormalization and factorization scale for each jet's contribution to the single jet inclusive cross section. Finally, we consider the differences between our predictions using this scale choice to those for the leading jet transverse momentum scale choice, ${\mu }_R={\mu }_F\sim p_{T_1}$, used in [14], with reference to the ATLAS data.

13 pages, 6 figures. Presented at the XXIII Cracow Epiphany Conference

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