609 research outputs found

    Progress in leptonic and semileptonic decays in lattice QCD

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    The status of lattice calculations of heavy quark phenomenology is reviewed. Particular emphasis is placed on the understanding and control of the calculational uncertainties. The ensuing implications for constraining the CKM matrix elements are discussed.Comment: 7 pages, talk given at DPF'99 Conference, Jan. 5-9 1999, Los Angeles, C

    Lattice determinations of the strange quark mass

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    Lattice calculations of the mass of the strange quark are reviewed. In particular, the reason for the spread in values is explained with emphasis on the effects that recently implemented improvements have had on the lattice determinations.Comment: 7 pages, invited talk at KAON'99, University of Chicago, June 21-26, 1999, typos correcte
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