The BABAR Collaboration, B. Aubert
Published 2000-08-23Version 1
The b --> s gamma transition proceeds by a loop ``penguin'' diagram. It may be used to measure precisely the couplings of the top quark and to search for the effects of any new particles appearing in the loop. We present a preliminary measurement of the branching fraction of the exclusive decay, B^0 --> K^{*0}gamma. We use 8.6 x 10^6 B-anti-B decays to measure B(B^0 --> K^{*0}gamma) = (5.4+/-0.8+/-0.5) x 10^{-5}.
Comments: 17 pages, 5 postscript figures, contributed paper to ICHEP2000
A Measurement of the B0 --> J/psi pi+pi- Branching Fraction
Measurements of Branching Fraction and Polarization in B^+ -> rho^+ K^{*0} Decay
Measurement of the Branching Fraction and CP Content for the Decay B0 --> D*+ D*-
