Experiment	Measurement	Reference
LHCb	\([4.72 \pm 1.07\mbox{ (stat)} \pm 0.48\mbox{ (syst)} \pm 0.37\mbox{ (fs/fd)} \pm 0.74\mbox{ (PDG)}] \times 10^{-4}\)	PLB 706 (2011) 32
Average	\(\mathbf{[4.72 \pm 1.44\mbox{ (combined)}] \times 10^{-4}}\)