SMuK 2023 – scientific programme

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T: Fachverband Teilchenphysik

T 59: QCD Theory and Experiment I

T 59.6: Talk

Wednesday, March 22, 2023, 17:05–17:20, HSZ/0105

The determination of r₀ on the CLS 2+1 ensembles — •Tom Asmussen, Roman Höllwieser, Francesco Knechtli, and Tomasz Korzec — University of Wuppertal, Wuppertal, Germany

We determine the scale r₀ for 2 + 1 flavour QCD ensembles generated by CLS. This scale is determined from an improved definition of the static force which we measure using Wilson loops. Reweighting factors from the simulations are included in the analysis and mass derivatives have been calculated to correct for mistunings. In the end we present an analysis for r₀/a at several values of the lattice gauge coupling and perform chiral extrapolations. We also compare with the scale t₀.