Abstract
The correlator of heavy-quark currents is calculated in quenched Lattice QCD on a 16 3 × 32-lattice for β = {6,6.3}. The renormalized charmed quark mass is extracted from the short-distance part of that correlator: m c MS (m c) = 1.22(5) GeV . We study the sensitivity of our data to the strong coupling constant.
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