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. 2019 Sep 6;123(10):102001.
doi: 10.1103/PhysRevLett.123.102001.

Triple Differential Dijet Cross Section at the LHC

A Gehrmann-De Ridder  1   2 , T Gehrmann  2 , E W N Glover  3 , A Huss  4 , J Pires  5   6
Affiliations

Triple Differential Dijet Cross Section at the LHC

A Gehrmann-De Ridder et al. Phys Rev Lett. .

Abstract

The measurement of the triple-differential dijet production cross section as a function of the average transverse momentum p_{T,avg}, half the rapidity separation y^{*}, and the boost y_{b} of the two leading jets in the event enables a kinematical scan of the underlying parton momentum distributions. We compute for the first time the second-order perturbative QCD corrections to this triple-differential dijet cross section, at leading color in all partonic channels, thereby enabling precision studies with LHC dijet data. A detailed comparison with experimental CMS 8 TeV data is performed, demonstrating how the shape of this differential cross section probes the parton densities in different kinematical ranges.

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