PRL 101 021801 (2008)

BaBar: INSPIRE

ParameterMeasurement
\({\cal{B}} ( \bar{B}^0 \to J/\psi(1S) \pi^0 )\)\([1.69 \pm 0.14\mbox{ (stat)} \pm 0.07\mbox{ (syst)}] \times 10^{-5}\)