A lattice calculation of the branching ratio for $\overline{B} \rightarrow K^* γ$

Details A lattice calculation of the branching ratio for $\overline{B} \rightarrow K^* γ$ A lattice calculation of the branching ratio for $\overline{B} \rightarrow K^* γ$

1993-11-24

arxiv.org/abs/hep-lat/9311039v1

Nucl.Phys.Proc.Suppl. 34 (1994) 474-476

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages uuencoded postscript, to appear in the Proceedings of LATTICE 93 Dallas, Edinburgh Preprint 93/529

Scientific paper

Preliminary results are presented on the calculation of the relevant form factor for the radiative decay $\overline{B} \rightarrow K^* \gamma$ We find that the form factor is weakly dependent on the spectator quark mass. We compare the results obtained for a full chiral extrapolation and where this independence is assumed. Both results are found to be statistically consistent with the experimental data.

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