17–24 Jul 2024
Prague
Europe/Prague timezone

Determination of the strong-coupling constant from the Z-boson transverse-momentum distribution

18 Jul 2024, 14:30
15m
North Hall

North Hall

Parallel session talk 06. Strong Interactions and Hadron Physics Strong interactions and Hadron Physics

Speaker

Kristof Schmieden (Johannes Gutenberg Universitaet Mainz (DE))

Description

The coupling constant of the strong force is determined from the transverse-momentum distribution of Z bosons produced in 8 TeV proton-proton collisions. The Z-boson cross sections are measured in the full phase space of the decay leptons. The analysis is based on predictions evaluated at third order in perturbative QCD, supplemented by the resummation of logarithmically enhanced contributions in the low transverse-momentum region of the lepton pairs.

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Authors

Frederic Deliot (Université Paris-Saclay (FR)) Kristof Schmieden (Johannes Gutenberg Universitaet Mainz (DE))

Presentation materials