Experiment	Measurement	Reference
BaBar	\([2.55 \pm 0.05\mbox{ (stat)} \pm 0.16\mbox{ (syst)} \pm 0.01\mbox{ (correlated syst)}] \times 10^{-3}\)	PRD 75 031101 (2007)
BaBar	\([3.03 \pm 0.23\mbox{ (stat)} \pm 0.23\mbox{ (syst)}] \times 10^{-3}\)	PRD 74 111102 (2006)
Average	\(\mathbf{[2.65 \pm 0.15\mbox{ (combined)}] \times 10^{-3}}\)