ExperimentMeasurementReference
Belle\([6.14 \pm 0.29\mbox{ (stat)} \pm 0.50\mbox{ (syst)}] \times 10^{-4}\)PRD 85 (2012) 091106
BaBar\([5.7 \pm 0.7\mbox{ (stat)} \pm 0.6\mbox{ (syst)} \pm 0.4\mbox{ (correlated syst)}] \times 10^{-4}\)PRD 73(2006) 112004
Average \(\mathbf{[6.03 \pm 0.50\mbox{ (combined)}] \times 10^{-4}}\)