Experiment	Measurement	Reference
BaBar	\([3.0 ^{+0.7}_{-0.6}\mbox{ (stat)} ^{+0.5}_{-0.3}\mbox{ (syst)}] \times 10^{-5}\)	PRD(RC) 82 011101 (2010)
Average	\(\mathbf{[3.0 ^{+0.9}_{-0.7}\mbox{ (combined)}] \times 10^{-5}}\)