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Scale Setting for CLS 2+1 Simulations

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arxiv 2112.06696 v1 pith:SFGWE56N submitted 2021-12-13 hep-lat

Ben Stra{ss}berger , Marco Cè , Sara Collins , Antoine Gérardin , Georg von Hippel , Piotr Korcyl , Tomasz Korzec , Daniel Mohler
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Andreas Risch Stefan Schaefer Wolfgang Söldner Rainer Sommer
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classification hep-lat
keywords decayimprovedscalesettingtakenanalyzecarecombination
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We present an update of the scale setting for $N_f=2+1$ flavor QCD using gradient flow scales and pseudo-scalar decay constants. We analyze the latest ensembles with $2+1$ flavors of non-perturbatively improved Wilson fermions generated by CLS for improved precision. Special care is taken to correct for mistuning by measuring directly the mass derivatives of the various observables. We determine $t_0$ with input taken from a combination of leptonic decay rates of the Pion and the Kaon.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Isospin-violating vacuum polarization in the muon $(g-2)$ with SU(3) flavour symmetry from lattice QCD

    hep-lat 2025-05 conditional novelty 6.0 of 10

    First lattice QCD determination of the isospin-violating (3,8) hadronic vacuum polarization contribution to muon (g-2), giving 2 aµ^{HVP,38} = 21.8(3.1) × 10^{-11} at Mπ=MK≈416 MeV.

  2. The determination of potential scales in 2+1 flavor QCD

    hep-lat 2024-12 conditional novelty 5.0 of 10

    A new lattice QCD determination of the hadronic scales r0 = 0.4729(75) fm and r1 = 0.3127(40) fm in 2+1 flavor QCD, together with r0 Λ_MSbar^(3) = 0.820(28).

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