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Precision charm physics, m_c and alpha_s from lattice QCD

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      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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      Journal
      2008-10-20
      0810.3548

      http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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      PoS LATTICE2008:118,2008
      14 pages, 7 figures, combined proceedings of talks by Christine Davies and Peter Lepage at the International Symposium on Lattice Field Theory 2008, Williamsburg
      hep-lat

      High energy & Particle physics

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