PoS - Proceedings of Science
Volume 353 - International Conference on Precision Physics and Fundamental Physical Constants (FFK2019) - Session 7: Fundamental constants, atomic properties
Precise determinations of the strong coupling in lepton collisions
Z. Trocsanyi
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Pre-published on: November 05, 2019
Published on: February 18, 2020
We discuss the status of determinations of the strong coupling with special attention to using event shape observables based on data collected at the Large Electron Positron collider and theoretical predictions at highest accuracy available at present. We argue that such extractions can be competitive with lattice determinations if the observables are selected carefully such that both higher order perturbative as well as non-perturbative contributions are suppressed.
DOI: https://doi.org/10.22323/1.353.0035
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