Experiment
Measurement
Reference
BaBar
\([2.30 \pm 0.98\mbox{ (stat)} \pm 0.43\mbox{ (syst)}] \times 10^{-4}\)
PRD 77 011102 (2008)
Average
\(\mathbf{[2.30 \pm 1.07\mbox{ (combined)}] \times 10^{-4}}\)
