Abstract
A measurement of the double-differential cross-section of inclusive jet as a function of jet transverse momentum \(p_T\) and absolute jet rapidity |y| is presented. Data used for the analysis is obtained by the CMS experiment from proton-proton collisions at a centre-of-mass energy of 13 TeV at the LHC.
Highlights
Inclusive jet production ( p + p → jet + X) is a key process to test predictions of perturbative QCD
Data used for the analysis is obtained by the CMS experiment from proton-proton collisions at a centre-of-mass energy of 13 TeV at the LHC
Jets are reconstructed with the anti-kt clustering algorithm for two jet sizes, R, of 0.7 and 0.4, in a phase space region covering jet pT up to 2 TeV and jet rapidity up to |y| = 4.7
Summary
Inclusive jet production ( p + p → jet + X) is a key process to test predictions of perturbative QCD (pQCD). A measurement of the double-differential inclusive jet cross section is presented as a function of the jet pT and absolute jet rapidity |y|. The data samples correspond to integrated luminosities of 71 and 44 pb−1 for ranges in rapidity of |y| < 3 and 3.2< |y| 60, 80, 140, 200, 260, 300, 400, or 450 GeV. The double-differential inclusive jet cross section is defined as: d2σ = 1 Nj (1) dpT dy L ∆pT ∆y where L is the integrated luminosity, Nj is the number of jets in a bin of a width pT in transverse momentum and y in rapidity, and is the product of the trigger and jet selection efficiencies, which is greater than 99%. The data are consistent with the predictions over a wide range of jet pT from 114 GeV up to 2 TeV
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