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Numerical determination of the $\Lambda$-parameter in SU(3) gauge theory from the twisted gradient flow coupling
We estimate the Λ-parameter in the MS scheme for the SU(3) pure gauge theory with the twisted gradient flow method non-perturbatively.We obtain Λ MS / √ σ = 0.527(13)(10) and r 0 Λ MS = 0.605(15)(5) which are consistent with the known values.This demonstrates the validity of the present method.