A low-energy determination of α s at three loops

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Abstract

We review one of the most accurate low-energy determinations of αs. Comparing at short distances the QCD static energy at three loops and resummation of the next-to-next-to leading logarithms with its determination in 2+1-flavor lattice QCD, we obtain αs(1.5 GeV) = 0.336+0.012-0.008, which corresponds to αs(MZ) = 0.1166+0.012-0.008. We discuss future perspectives.

Original languageEnglish
Article number02031
JournalEPJ Web of Conferences
Volume126
DOIs
StatePublished - 4 Nov 2016
Event4th International Conference on New Frontiers in Physics, ICNFP 2015 - Crete, Greece
Duration: 23 Aug 201530 Aug 2015

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