Experiment	Measurement	Reference
LHCb	\([0.0420 \pm 0.0049\mbox{ (stat)} \pm 0.0023\mbox{ (syst)} \pm 0.0033\mbox{ (fs/fd)}] \times 10^{0}\)	PLB 713 (2012) pp. 172-179
Average	\(\mathbf{[0.0420 \pm 0.0063\mbox{ (combined)}] \times 10^{0}}\)