PRD 74, 011101 (2006)

BaBar: INSPIRE link

Comment: Used BR( Y(4S) -> B0 B0bar ) = 0.5

ParameterMeasurement
\({\cal{B}} ( \bar{B}^0 \to J/\psi(1S) \pi^0 )\)\([1.94 \pm 0.22\mbox{ (stat)} \pm 0.17\mbox{ (syst)}] \times 10^{-5}\) (superseded)