Mass of the Bc meson in three-flavor lattice QCD -: art. no. 172001

被引：92
|
作者：
Allison, IF [1 ]
Davies, CTH
Gray, A
Kronfeld, AS
Mackenzie, PB
Simone, JN
机构：
[1] Univ Glasgow, Dept Phys & Astron, Glasgow, Lanark, Scotland
[2] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[3] Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 17期
关键词：
D O I：
10.1103/PhysRevLett.94.172001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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(Bc)=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.
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