Lattice Calculations of Decay Constants

Lattice attempts to compute the leptonic decay constants of heavy-light pseudoscalar mesons are described. I give a short historical overview of such attempts and then discuss some current calculations. I focus on three of the most important sources of systematic error: the extrapolation to the continuum, the chiral extrapolation in light quark mass, and the effects of quenching. I briefly discuss the ``bag parameters'' $B_B$ and $B_{B_s}$, and then conclude with my expectations of the precision in decay constants and bag parameters that will be possible in the next few years.Comment: 12 pages, 3 included postscript figures, uses sprocl.sty and epsfig. Review talk presented at the "Seventh International Symposium on Heavy Flavor Physics," Santa Barbara, July 7-11, 199

Recent results from lattice calculations

Recent results from lattice QCD calculations relevant to particle physics phenomenology are reviewed. They include the calculations of strong coupling constant, quark masses, kaon matrix elements, and D and B meson matrix elements. Special emphasis is on the recent progress in the simulations including dynamical quarks.Comment: 13 pages, 8 figures, plenary talk at the 32nd International Conference on High-Energy Physics (ICHEP 2004), August 16-22, 2004, Beijing, Chin

Pentaquarks: Status and Perspectives for Lattice Calculations

The present status of pentaquark spectroscopy in lattice QCD is reviewed. This talk also includes a brief introduction of pentaquark baryons.Comment: Talk presented at Lattice2004(plenary), Fermilab, June 21-26, 2004, 7 pages, 4 figure

The CKM Matrix from Lattice QCD

Lattice QCD plays an essential role in testing and determining the parameters of the CKM theory of flavor mixing and CP violation. Very high precisions are required for lattice calculations analysing CKM data; I discuss the prospects for achieving them. Lattice calculations will also play a role in investigating flavor mixing and CP violation beyond the Standard Model.Comment: To appear in Prog. Theor. Phys. Vol. 122, No.1 (Special Issue