Experiment	Measurement	Reference
LHCb	\([9.4 \pm 1.3\mbox{ (stat)} \pm 0.9\mbox{ (syst)}] \times 10^{-2}\)	PRL 108, 161801 (2012)
Average	\(\mathbf{[9.4 \pm 1.6\mbox{ (combined)}] \times 10^{-2}}\)