Experiment	Measurement	Reference
CDF	\([10.3 \pm 3.3\mbox{ (stat)} \pm 1.5\mbox{ (syst)}] \times 10^{-4}\)	PRL 88 071801 (2002)
Average	\(\mathbf{[10.3 \pm 3.6\mbox{ (combined)}] \times 10^{-4}}\)