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Analytical determination of the QCD quark masses

C. A. Dominguez

Centre for Theoretical and Mathematical Physics and Department of Physics, University of Cape Town, Rondebosch 7700, South Africa

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https://doi.org/10.1142/S0217751X14300695Cited by:6 (Source: Crossref)

Abstract

The current status of determinations of the QCD running quark masses is reviewed. Emphasis is on recent progress on analytical precision determinations based on finite energy QCD sum rules. A critical discussion of the merits of this approach over other alternative QCD sum rules is provided. Systematic uncertainties from both the hadronic and the QCD sector have been recently identified and dealt with successfully, thus leading to values of the quark masses with unprecedented accuracy. Results currently rival in precision with lattice QCD determinations.

This article will also appear in "50 Years of Quarks," edited by H. Fritzsch and M. Gell-Mann (World Scientific, 2015).

Keywords:

Quark mass

PACS: 12.38.Lg, 11.55.Hx, 14.65.Bt, 14.65.Dw, 14.65.Fy

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