A low-energy determination of α s at three loops

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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 number07004
JournalEPJ Web of Conferences
StatePublished - 4 Jul 2016
Event45th International Symposium on Multiparticle Dynamics, ISMD 2015 - Munich, Germany
Duration: 4 Oct 20159 Oct 2015


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