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Determination of LambdaMS from the gluon and ghost propagators in Landau gauge

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arxiv 1212.2039 v1 pith:XLILCXEY submitted 2012-12-10 hep-lat hep-ph

Determination of LambdaMS from the gluon and ghost propagators in Landau gauge

Andre Sternbeck , Kim Maltman , Michael M\"uller-Preussker , Lorenz von Smekal This is my paper
classification hep-lat hep-ph
keywords gaugelatticecalculationsdeterminationlambdamslandauaccessanalysis
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We give an update on our lattice determination of r_0 LambdaMS for different Nf. Our calculations employ the strong coupling constant in the minimal MOM scheme for QCD in Landau gauge, and we report here on our progress towards a quantitative understanding of the intrinsic lattice discretization artifacts at large momenta. This is important for a high-precision analysis, in particular for the unquenched calculations for which the access to small lattice spacings is restricted by the available gauge configurations.

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Cited by 2 Pith papers

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  1. The large-$N$ Yang--Mills $\Lambda$-parameter from step scaling

    hep-lat 2026-07 conditional novelty 6.0

    First non-asymptotic-scaling determination of the large-N Yang-Mills Λ-parameter yields √(8t₀)Λ_MS(N=∞) = 0.639(36).

  2. Scalar diquarks in the QCD vacuum

    hep-ph 2026-06 unverdicted novelty 6.0

    A first-principles FRG approach to two-flavor QCD derives low-energy constants for the pion, sigma-meson and scalar diquark without parameters beyond QCD itself, including new diquark properties for color-superconduct...