Experiment	Measurement	Reference
BaBar	\([1.1 \pm 4.3\mbox{ (stat)} \pm 5.5\mbox{ (syst)}] \times 10^{-5}\)	PRL 102 132001 (2009)
Average	\(\mathbf{[1.1 \pm 7.0\mbox{ (combined)}] \times 10^{-5}}\)