Inclusive and Dijet Jet Production Measured with the ATLAS Detector

Inclusive jet and dijet double­ differential cross sections have been measured in proton-­proton collisions using the ATLAS detector. The cross sections were measured using jets clustered with the anti-­kT algorithm. The data are compared to expectations based on next ­to ­leading order QCD calculations corrected for non-­perturbative effects, as well as to next ­to ­leading order Monte Carlo predictions. Ratios of cross sections measured at different centre ­of ­mass energies allow for reduced experimental and/or theoretical uncertainties. An NLO QCD analysis of the data indicates constraining power for the gluon density.