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Transverse momentum distributions in low-mass Drell-Yan lepton pair production at NNLO QCD

Gauld, R.; Gehrmann–De Ridder, A.; Gehrmann, T.; Glover, E.W.N.; Huss, A.; Majer, I.; Rodriguez Garcia, A.

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Authors

R. Gauld

A. Gehrmann–De Ridder

T. Gehrmann

A. Huss

I. Majer

A. Rodriguez Garcia



Abstract

The production of lepton pairs at low invariant mass and finite transverse momentum resolves QCD dynamics at the boundary between the perturbative and non-perturbative domains. We investigate the impact of NNLO QCD corrections on these observables at energies corresponding to the BNL RHIC collider and to fixed-target experiments. Satisfactory perturbative convergence is observed in both cases. Only the collider data are found to be well-described by perturbative QCD, thus indicating the importance of non-perturbative effects in lepton-pair transverse momentum distributions at fixed target energies.

Citation

Gauld, R., Gehrmann–De Ridder, A., Gehrmann, T., Glover, E., Huss, A., Majer, I., & Rodriguez Garcia, A. (2022). Transverse momentum distributions in low-mass Drell-Yan lepton pair production at NNLO QCD. Physics Letters B, 829, Article 137111. https://doi.org/10.1016/j.physletb.2022.137111

Journal Article Type Article
Acceptance Date Apr 13, 2022
Online Publication Date Apr 26, 2022
Publication Date Jun 10, 2022
Deposit Date Apr 27, 2022
Publicly Available Date Apr 27, 2022
Journal Physics Letters B
Print ISSN 0370-2693
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 829
Article Number 137111
DOI https://doi.org/10.1016/j.physletb.2022.137111

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