Neutral B Meson Mixing and Decay Constants from Lattice QCD

Details Neutral B Meson Mixing and Decay Constants from Lattice QCD Neutral B Meson Mixing and Decay Constants from Lattice QCD

1999-12-13

arxiv.org/abs/hep-ph/9912322v2

PoS HF8:050,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contribution to the Heavy Flavours 8 conference, Southampton, UK, July, 1999. Revised version. Typos in equations (1.2) and (1

Scientific paper

We present updates of our results for neutral $B$-meson mixing and leptonic decay constants obtained in the quenched approximation from a mean-field-improved Sheikholeslami-Wohlert action at two values of lattice spacing. We consider quantities such as $B_{B_{d(s)}}$, $f_{D_{(s)}}$, $f_{B_{(s)}}$ and the full $\Delta B=2$ matrix-elements, as well as the corresponding SU(3)-breaking ratios.

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