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Jet cross sections at the LHC and the quest for higher precision.

Bellm, Johannes and Buckley, Andy and Chen, Xuan and Ridder, Aude Gehrmann-De and Gehrmann, Thomas and Glover, Nigel and Höche, Stefan and Huss, Alexander and Huston, Joey and Kuttimalai, Silvan and Pires, Joao and Plätzer, Simon and Re, Emanuele (2020) 'Jet cross sections at the LHC and the quest for higher precision.', European physical journal C., 80 (2). p. 93.

Abstract

We perform a phenomenological study of Z plus jet, Higgs plus jet and di-jet production at the Large Hadron Collider. We investigate in particular the dependence of the leading jet cross section on the jet radius as a function of the jet transverse momentum. Theoretical predictions are obtained using perturbative QCD calculations at the next-to and next-to-next-to-leading order, using a range of renormalization and factorization scales. The fixed order predictions are compared to results obtained from matching next-to-leading order calculations to parton showers. A study of the scale dependence as a function of the jet radius is used to provide a better estimate of the scale uncertainty for small jet sizes. The non-perturbative corrections as a function of jet radius are estimated from different generators.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1140/epjc/s10052-019-7574-x
Publisher statement:This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Date accepted:20 December 2019
Date deposited:06 February 2020
Date of first online publication:05 February 2020
Date first made open access:06 February 2020

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