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The transverse momentum spectrum of weak gauge bosons at N³LL + NNLO

Bizoń, Wojciech; Gehrmann-De Ridder, Aude; Gehrmann, Thomas; Glover, Nigel; Huss, Alexander; Monni, Pier Francesco; Re, Emanuele; Rottoli, Luca; Walker, Duncan M.

The transverse momentum spectrum of weak gauge bosons at N³LL + NNLO Thumbnail


Authors

Wojciech Bizoń

Aude Gehrmann-De Ridder

Thomas Gehrmann

Alexander Huss

Pier Francesco Monni

Emanuele Re

Luca Rottoli

Duncan M. Walker



Abstract

We present accurate QCD predictions for the transverse momentum ( p⊥ ) spectrum of electroweak gauge bosons at the LHC for 13 TeV collisions, based on a consistent combination of a NNLO calculation at large p⊥ and N³ LL resummation in the small p⊥ limit. The inclusion of higher order corrections leads to substantial changes in the shape of the differential distributions, and the residual perturbative uncertainties are reduced to the few percent level across the whole transverse momentum spectrum. We examine the ratio of p⊥ distributions in charged- and neutral-current Drell–Yan production, and study different prescriptions for the estimate of perturbative uncertainties that rely on different degrees of correlation between these processes. We observe an excellent stability of the ratios with respect to the perturbative order, indicating a strong correlation between the corresponding QCD corrections.

Citation

Bizoń, W., Gehrmann-De Ridder, A., Gehrmann, T., Glover, N., Huss, A., Monni, P. F., …Walker, D. M. (2019). The transverse momentum spectrum of weak gauge bosons at N³LL + NNLO. The European Physical Journal C, 79(10), Article 868. https://doi.org/10.1140/epjc/s10052-019-7324-0

Journal Article Type Article
Acceptance Date Sep 20, 2019
Online Publication Date Oct 22, 2019
Publication Date Oct 31, 2019
Deposit Date Nov 6, 2019
Publicly Available Date Nov 7, 2019
Journal European Physical Journal C: Particles and Fields
Print ISSN 1434-6044
Electronic ISSN 1434-6052
Publisher SpringerOpen
Peer Reviewed Peer Reviewed
Volume 79
Issue 10
Article Number 868
DOI https://doi.org/10.1140/epjc/s10052-019-7324-0

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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 4.0 International License (http://creativecomm
ons.org/licenses/by/4.0/), which permits unrestricted use, distribution,
and reproduction in any medium, provided you give appropriate credit
to the original author(s) and the source, provide a link to the Creative
Commons license, and indicate if changes were made.
Funded by SCOAP3.





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