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- Title
Determination of the strong-coupling constant from the Z-boson transverse-momentum distribution.
- Authors
Camarda, Stefano; Ferrera, Giancarlo; Schott, Matthias
- Abstract
The strong-coupling constant is determined from the low-momentum region of the transverse-momentum distribution of Z bosons produced through the Drell–Yan process, using predictions at third order in perturbative QCD. The analysis employs a measurement performed in proton-antiproton collisions at a centre-of-mass energy of s = 1.96 TeV with the CDF experiment. The determined value of the strong coupling at the reference scale corresponding to the Z-boson mass is α S (m Z) = 0. 1191 - 0.0016 + 0.0013 .
- Subjects
Z bosons; PROTON-proton interactions; ANTIPROTONS; QUANTUM chromodynamics
- Publication
European Physical Journal C -- Particles & Fields, 2024, Vol 84, Issue 1, p1
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-023-12373-2