Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1998-09-03
Nucl.Phys.Proc.Suppl.73:357-359,1999
Physics
High Energy Physics
High Energy Physics - Lattice
LATTICE98(heavyqk). Revised version. Typos in the second and third equations corrected. Very small changes to text. Results un
Scientific paper
10.1016/S0920-5632(99)85072-5
We present high-statistics results for neutral $B$-meson mixing and heavy-light-meson leptonic decays in the quenched approximation from tadpole-improved clover actions at $\beta = 6.0$ and $\beta = 6.2$. We consider quantities such as $B_{B_{d(s)}}$, $f_{D_{d(s)}}$, $f_{B_{d(s)}}$ and the full $\Delta B=2$ matrix elements as well as the corresponding SU(3)-breaking ratios. These quantities are important for determining the CKM matrix element $|V_{td}|$.
David Lin C.-J.
for the UKQCD Collaboration
Lellouch Laurent
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