Experiment
Measurement
Reference
BaBar
\([3.32 \pm 0.10\mbox{ (stat)} \pm 0.29\mbox{ (syst)}] \times 10^{-4}\)
PRD 85, 092017 (2012)
Average
\(\mathbf{[3.32 \pm 0.31\mbox{ (combined)}] \times 10^{-4}}\)
