Experiment	Measurement	Reference
BaBar	\([1.5 \pm 0.4\mbox{ (stat)} \pm 0.2\mbox{ (syst)} ^{+0.5}_{-0.3}\mbox{ (correlated systematic)}] \times 10^{-3}\)	PRL 93,181801 (2004)
Average	\(\mathbf{[1.5 ^{+0.7}_{-0.5}\mbox{ (combined)}] \times 10^{-3}}\)