PRD 78:091104,2008

Belle: INSPIRE link

ParameterMeasurement
\({\cal{B}} ( \bar{B}^0 \to \chi_{c1}(1P) \pi^0 )\)\([1.12 \pm 0.25\mbox{ (stat)} \pm 0.12\mbox{ (syst)}] \times 10^{-5}\)