The strong coupling constant from lattice QCD with N_f=2 dynamical quarks

Physics – High Energy Physics – High Energy Physics - Lattice

Scientific paper

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Contribution to Lattice 2001 (matrix elements), typo corrected

Scientific paper

10.1016/S0920-5632(01)01697-8

We compute $\Lambda_{\bar{MS}}$ for two flavors of light dynamical quarks
using non-perturbatively $O(a)$ improved Wilson fermions. We improve on a
recent calculation by employing Pad\'e-improved two-loop and three-loop
perturbation theory to convert the lattice numbers to the $\bar{MS}$ scheme.

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