Stephan Bräuer
Fixed-order and merged parton-shower predictions for WW and WWj production at the LHC including NLO QCD and EW corrections
Bräuer, Stephan; Denner, Ansgar; Pellen, Mathieu; Schönherr, Marek; Schumann, Steffen
Authors
Ansgar Denner
Mathieu Pellen
Dr Marek Schoenherr marek.schoenherr@durham.ac.uk
Associate Professor
Steffen Schumann
Abstract
First, we present a combined analysis of pp →μ+vμe−v¯¯¯e and pp →μ+vμe−v¯¯¯ej at next-to-leading order, including both QCD and electroweak corrections. Second, we provide all-order predictions for pp →μ+vμe−v¯¯¯e+jets using merged parton-shower simulations that also include approximate EW effects. A fully inclusive sample for WW production is compared to the fixed-order computations for exclusive zero- and one-jet selections. The various higher-order effects are studied in detail at the level of cross sections and differential distributions for realistic experimental set-ups. Our study confirms that merged predictions are significantly more stable than the fixed-order ones in particular regarding ratios between the two processes.
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 22, 2020 |
Online Publication Date | Oct 26, 2020 |
Publication Date | 2020-10 |
Deposit Date | Nov 4, 2020 |
Publicly Available Date | Nov 4, 2020 |
Journal | Journal of High Energy Physics |
Print ISSN | 1126-6708 |
Publisher | Scuola Internazionale Superiore di Studi Avanzati (SISSA) |
Peer Reviewed | Peer Reviewed |
Volume | 2020 |
Issue | 10 |
Article Number | 159 |
DOI | https://doi.org/10.1007/jhep10%282020%29159 |
Public URL | https://durham-repository.worktribe.com/output/1258413 |
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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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