Mass of the B_c Meson in Three-Flavor Lattice QCD

Details Mass of the B_c Meson in Three-Flavor Lattice QCD Mass of the B_c Meson in Three-Flavor Lattice QCD

2004-11-19

arxiv.org/abs/hep-lat/0411027v2

Phys.Rev.Lett.94:172001,2005

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 3 figures; shorten to fit in PRL; published version

Scientific paper

10.1103/PhysRevLett.94.172001

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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