Experiment	Measurement	Reference
LHCb	\([9.21 \pm 2.14\mbox{ (stat)} \pm 0.52\mbox{ (syst)} \pm 0.38\mbox{ (f_1(1295) Branching ratio)}] \times 10^{-7}\)	PRL 112 (2014) 091802
Average	\(\mathbf{[9.21 \pm 2.23\mbox{ (combined)}] \times 10^{-7}}\)