Heavy Quark Physics on the Lattice

Details Heavy Quark Physics on the Lattice Heavy Quark Physics on the Lattice

2000-11-14

arxiv.org/abs/hep-lat/0011064v2

Nucl.Phys.Proc.Suppl. 94 (2001) 159-176

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice 2000 (Plenary); 18 pages, 11 postscript figures; Revised version: Figure 9 updated

Scientific paper

10.1016/S0920-5632(01)00976-8

I review the current status of lattice calculations of the properties of bound states containing one or more heavy quarks. Many of my remarks focus on the heavy-light leptonic decay constants, such as $f_B$, for which the systematic errors have by now been quite well studied. I also discuss $B$-parameters, semileptonic form factors, and the heavy-light and heavy-heavy spectra. Some of my ``world averages'' are: $f_B=200(30) MeV$, $f_B\sqrt{\hat B_{B_d}}= 230(40) MeV$, $f_{B_s}/f_B=1.16(4)$ and $f_{B_s}\sqrt{\hat B_{B_s}}/f_B\sqrt{\hat B_{B_d}}=1.16(5)$.

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