Heavy-Light Matrix Elements with the Wilson Quark Action

Status report is made of our quenched study of heavy-light matrix elements employing the Wilson quark action for heavy quark. Results obtained up to now with 200 configurations at $β=6.1$ on a $24^3\times64$ lattice and with 100 configurations at $β=6.3$ on a $32^3 \times80$ lattice suggest that the pseudoscalar decay constant varies little over this range of $β$ in both charm and bottom regions. Results for the $B$ parameter are also reported.

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