Abstract
We present our preliminary result for the charmed quark mass, which follows from taking the D s and K meson masses from exeriment and r 0 = 0.5 fm (or, equivalently F K = 160 MeV) to set the scale. For the renormalization group invariant quark mass we obtain M c = 1684(64) MeV, which translates to m c ( m c ) = 1314(40)(20)(7) MeV for the running mass in the MS scheme. Renormalization is treated non-perturbatively, and the continuum limit has been taken, so that the only uncontrolled systematic error consists in the use of the quenched approximation.
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