Experiment	Measurement	Reference
Belle	\([1.80 \pm 0.34\mbox{ (stat)} \pm 0.30\mbox{ (syst)} \pm 0.25\mbox{ (k(1270) br (correlated))}] \times 10^{-3}\)	PRL 87, 161601 (2001)
Average	\(\mathbf{[1.80 \pm 0.52\mbox{ (combined)}] \times 10^{-3}}\)