Semi-Leptonic Decays of $B$-Mesons

Abstract

Form factors relevant for semi-leptonic $B\to D,D^{\ast }$ decays are obtained in quenched lattice QCD. Tests of heavy-quark symmetry as well as determinations of the Isgur-Wise function and $|V_{cb}|$ are presented.

Comments: 3 pages, uuencoded compressed postscript file; contribution to Lattice '94, 27 Sep - 1 Oct, Bielefeld, Germany; to appear in the proceedings