Triple Differential Dijet Cross Section at the LHC

Triple Differential Dijet Cross Section at the LHC

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 com...

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Bibliographic Details
Published in:Physical review letters Vol. 123; no. 10; p. 102001
Main Authors: Ridder, A. Gehrmann-De, Gehrmann, T., Glover, E. W. N., Huss, A., Pires, J.
Format: Journal Article
Language:English
Published: College Park American Physical Society 06-09-2019
Subjects:
Cross-sections
Large Hadron Collider
Partons
Solenoids
Transverse momentum
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Summary: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.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.123.102001