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Precise predictions for dijet production at the LHC.

Currie, J. and Gehrmann-DeRidder, A. and Gehrmann, T. and Glover, E.W.N. and Huss, A. and Pires, J. (2017) 'Precise predictions for dijet production at the LHC.', Physical review letters., 119 (15). p. 152001.

Abstract

We present the calculation of dijet production, doubly differential in dijet mass m j j and rapidity difference | y ∗ | , at leading color in all partonic channels at next-to-next-to-leading order (NNLO) in perturbative QCD. We consider the long-standing problems associated with scale choice for dijet production at next-to-leading order (NLO) and investigate the impact of including the NNLO contribution. We find that the NNLO theory provides reliable predictions, even when using scale choices that display pathological behavior at NLO. We choose the dijet invariant mass as the theoretical scale on the grounds of perturbative convergence and residual scale variation and compare the predictions to the ATLAS 7 TeV 4.5     fb − 1 data.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1103/PhysRevLett.119.152001
Publisher statement:Reprinted with permission from the American Physical Society: Currie, J., Gehrmann-DeRidder, A. Gehrmann, T., Glover, E.W.N., Huss, A. & Pires, J. (2017). Precise predictions for dijet production at the LHC. Physical Review Letters 119(15): 152001 © 2017 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
Date accepted:26 August 2017
Date deposited:20 September 2017
Date of first online publication:11 October 2017
Date first made open access:27 October 2017

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