ExperimentMeasurementReference
BaBar\([4.14 \pm 1.19\mbox{ (stat)} \pm 0.94\mbox{ (syst)}] \times 10^{-4}\)PRD 74 (2006) 031103
Average \(\mathbf{[4.14 \pm 1.52\mbox{ (combined)}] \times 10^{-4}}\)