2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/202424The scale parameter $Λ_{\overline{MS}}$ is computed on the lattice in the quenched approximation and for $N_f = 2$ flavors of light dynamical quarks. The dynamical calculation is done with non-perturbatively $O(a)$ improved Wilson fermions. In the continuum limit we obtain $Λ_{\overline{MS}}^{N_f=0} = 243(1)(10)$ MeV and $Λ_{\overline{MS}}^{N_f=2} = 217(16)(11)$ MeV, respectively.16 pages, 6 figures. Minor changes. Final version to be published in Phys. Lett. BHigh Energy Physics - LatticeHigh Energy Physics - Phenomenologytext