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Mass of the B_c Meson in Three-Flavor Lattice QCD

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arxiv hep-lat/0411027 v2 pith:OHB2ESXM submitted 2004-11-19 hep-lat hep-ph

Mass of the B_c Meson in Three-Flavor Lattice QCD

classification hep-lat hep-ph
keywords latticemassmesoncollaborationdiscretizationeffectsensembleserror
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

We use lattice QCD to predict the mass of the $B_c$ meson. We use the MILC Collaboration's ensembles of lattice gauge fields, which have a quark sea with two flavors much lighter than a third. Our final result is $m_{B_c}=6304\pm12^{+18}_{- 0} MeV$. The first error bar is a sum in quadrature of statistical and systematic uncertainties, and the second is an estimate of heavy-quark discretization effects.

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