Lattice Study of Semi-Leptonic $B$ Decays: I. $\bar{B}\to D\ell \bar{\nu }$ Decays

K. C. Bowler

We present a study of semi-leptonic $\bar B\tp D\ell\barν$ decays in quenched lattice QCD through a calculation of the matrix element $\la D|\bar cγ_μb|\bar B\ra$ on a $24^3\times…