PRL 94,182002 (2005)(

Belle: INSPIRE

ParameterMeasurement
\({{\cal{B}} ( B \to K Y(3940) )\times {\cal{B}} ( Y(3940) \to \omega(782) J/\psi(1S) )}\)\([7.1 \pm 1.3\mbox{ (stat)} \pm 3.1\mbox{ (syst)}] \times 10^{-5}\)