Experiment	Measurement	Reference
BaBar	\([0.092 \pm 0.024\mbox{ (stat)} \pm 0.001\mbox{ (syst)}] \times 10^{0}\)	PRD 74 091101 (2006)
Average	\(\mathbf{[0.092 \pm 0.024\mbox{ (combined)}] \times 10^{0}}\)