Experiment	Measurement	Reference
BaBar	\([3.8 \pm 0.6\mbox{ (stat)} \pm 0.4\mbox{ (syst)}] \times 10^{-5}\)	PRL 96 011803 (2006)
Average	\(\mathbf{[3.8 \pm 0.7\mbox{ (combined)}] \times 10^{-5}}\)