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APS » Journals » Phys. Rev. Lett. » Volume 94 » Issue 17
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Phys. Rev. Lett. 94, 172001 (2005) [4 pages]

Mass of the Bc Meson in Three-Flavor Lattice QCD

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Ian F. Allison1, Christine T. H. Davies1, Alan Gray2, Andreas S. Kronfeld3, Paul B. Mackenzie3, and James N. Simone3 (HPQCD, Fermilab Lattice, and UKQCD Collaborations)
1Department of Physics and Astronomy, Glasgow University, Glasgow, Scotland, United Kingdom
2Department of Physics, The Ohio State University, Columbus, Ohio, USA
3Theoretical Physics Department, Fermi National Accelerator Laboratory, Batavia, Illinois, USA

Received 19 November 2004; published 6 May 2005

We use lattice QCD to predict the mass of the Bc 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 mBc=6304±12-0+18  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.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.94.172001
DOI:
10.1103/PhysRevLett.94.172001
PACS:
12.38.Gc, 14.40.Lb, 14.40.Nd
 
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