Experiment
Measurement
Reference
BaBar
\([2.34 \pm 0.65\mbox{ (stat)} \pm 0.88\mbox{ (syst)}] \times 10^{-3}\)
PRD 74 111102 (2006)
Average
\(\mathbf{[2.34 \pm 1.09\mbox{ (combined)}] \times 10^{-3}}\)