We present an overview of the recent lattice determination of the QCD coupling α s by the ALPHA Collaboration. The computation is based on the non-perturbative determination of the Λ-parameter of N f = 3 QCD, and the perturbative matching of the N f = 3 and N f = 5 theories. The final result: α s (m Z ) = 0.11852(84), reaches sub-percent accuracy.
Dalla Brida, M. (2018). Precision determination of α S from lattice QCD. UNIVERSE, 4(12) [10.3390/universe4120148].
Precision determination of α S from lattice QCD
Dalla Brida, M
2018
Abstract
We present an overview of the recent lattice determination of the QCD coupling α s by the ALPHA Collaboration. The computation is based on the non-perturbative determination of the Λ-parameter of N f = 3 QCD, and the perturbative matching of the N f = 3 and N f = 5 theories. The final result: α s (m Z ) = 0.11852(84), reaches sub-percent accuracy.
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