Experiment
Measurement
Reference
Belle
\([1.3 ^{+2.0}_{-1.4}\mbox{ (stat)}] \times 10^{-4}\)
PRL 91,262002 (2003)
Average
\(\mathbf{[1.3 ^{+2.0}_{-1.4}\mbox{ (combined)}] \times 10^{-4}}\)
