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Triple Differential Dijet Cross Section at the LHC


Gehrmann-De Ridder, A; Gehrmann, T; Glover, E W N; Huss, A; Pires, J (2019). Triple Differential Dijet Cross Section at the LHC. Physical Review Letters, 123(10):102001.

Abstract

The measurement of the triple-differential dijet production cross section as a function of the average transverse momentum pT,avg, half the rapidity separation y∗, and the boost yb 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.

Abstract

The measurement of the triple-differential dijet production cross section as a function of the average transverse momentum pT,avg, half the rapidity separation y∗, and the boost yb 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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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Uncontrolled Keywords:General Physics and Astronomy
Language:English
Date:6 September 2019
Deposited On:16 Oct 2019 14:33
Last Modified:18 Oct 2019 14:04
Publisher:American Physical Society
ISSN:0031-9007
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1103/physrevlett.123.102001
Project Information:
  • : FunderFP7
  • : Grant ID340983
  • : Project TitleMCATNNLO - High Precision Simulation of particle collisions at the LHC
  • : FunderFP7
  • : Grant ID614577
  • : Project TitleHICCUP - High Impact Cross-section Calculations for Unprecedented Precision

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