Experiment	Measurement	Reference
Belle	\([11.6 \pm 2.8\mbox{ (stat)} ^{+1.8}_{-2.3}\mbox{ (syst)}] \times 10^{-6}\)	PRD 72, 051105(R) (2005)
BaBar	\([11.6 ^{+7.4}_{-5.3}\mbox{ (stat)} ^{+4.2}_{-1.8}\mbox{ (syst)}] \times 10^{-6}\)	PRL 90 231801 (2003)
Average	\(\mathbf{[11.6 \pm 3.1\mbox{ (combined)}] \times 10^{-6}}\)