Experiment	Measurement	Reference
Belle	\([1.33 \pm 0.36\mbox{ (stat)} ^{+0.24}_{-0.33}\mbox{ (syst)}]\)	PRL 90, 071801(2003)
Average	\(\mathbf{[1.33 ^{+0.43}_{-0.49}\mbox{ (combined)}]}\)