Misc,

Precision charm physics, m\_c and alpha\_s from lattice QCD

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(Oct 20, 2008)

Abstract

We present an update of results from the HPQCD collaboration on charm physics using the Highly Improved Staggered Quark action. This includes a precise determination of m\_c using moments of current-current correlators combined with high-order continuum QCD perturbation theory. We also include an update on the determination of alpha\_s from lattice QCD, preliminary results on the determination of m\_b and a summary plot of the status of the gold-plated meson spectrum. There is an appendix on tackling systematic errors in fitting using the Bayesian approach.

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