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NNLO QCD corrections to jet production in deep inelastic scattering

Currie, James; Gehrmann, Thomas; Huss, Alexander; Niehues, Jan

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Authors

James Currie

Thomas Gehrmann

Alexander Huss

Jan Niehues



Abstract

Hadronic jets in deeply inelastic electron-proton collisions are produced by the scattering of a parton from the proton with the virtual gauge boson mediating the interaction. The HERA experiments have performed precision measurements of inclusive single jet production and di-jet production in the Breit frame, which provide important constraints on the strong coupling constant and on parton distributions in the proton. We describe the calculation of the next-to-next-to-leading order (NNLO) QCD corrections to these processes, and assess their size and impact. A detailed comparison with data from the H1 and ZEUS experiments highlights that inclusive single jet production displays a better perturbative convergence than di-jet production. We also observe that the event selection cuts in some of the di-jet measurements of both H1 and ZEUS induce an infrared sensitivity that destabilises the perturbative stability of the predictions. Our results open up new opportunities for QCD precision studies with jet production observables in deep inelastic scattering.

Citation

Currie, J., Gehrmann, T., Huss, A., & Niehues, J. (2017). NNLO QCD corrections to jet production in deep inelastic scattering. Journal of High Energy Physics, 2017(7), Article 18. https://doi.org/10.1007/jhep07%282017%29018

Journal Article Type Article
Acceptance Date Jun 19, 2017
Online Publication Date Jul 5, 2017
Publication Date Jul 5, 2017
Deposit Date Jul 25, 2017
Publicly Available Date Jul 25, 2017
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Electronic ISSN 1029-8479
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2017
Issue 7
Article Number 18
DOI https://doi.org/10.1007/jhep07%282017%29018
Public URL https://durham-repository.worktribe.com/output/1381261

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This article is distributed under the terms of the Creative Commons
Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in
any medium, provided the original author(s) and source are credited.






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