Journal
PHYSICAL REVIEW D
Volume 89, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.89.034019
Keywords
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Funding
- Helmholtz Gemeinschaft (Alliance Physics at the Terascale) [HA-101]
- German Research Foundation (DFG) through the transregional collaborative research center Computational Particle Physics [SFB-TR9]
- European Commission [PITN-GA-2010-264564]
- STFC [ST/G000522/1, ST/L000458/1, ST/J000329/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000329/1, ST/G000522/1, ST/L000458/1] Funding Source: researchfish
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We present theoretical predictions for five-jet production in proton-proton collisions at next-to-leading-order accuracy in QCD. Inclusive as well as differential observables are studied for collision energies of 7 and 8 TeV. In general the next-to-leading-order corrections stabilize the theoretical predictions with respect to scale variations. In the case of the inclusive jet cross sections, we compare with experimental data where possible and find reasonable agreement. We observe that the four-to-three and five-to-four jet ratios show better perturbative convergence than the known three-to-two ratio and are promising candidates for future as measurements. Furthermore, we present a detailed analysis of uncertainties related to parton distribution functions. The full color virtual matrix elements used in the computation were obtained with the NJET package [1], a publicly available library for the evaluation of one-loop amplitudes in massless QCD.
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