Experiment
Measurement
Reference
BaBar
\([0.22 \pm 0.06\mbox{ (stat)} \pm 0.02\mbox{ (syst)}] \times 10^{0}\)
PRD 76 031102 (2007)
Average
\(\mathbf{[0.22 \pm 0.06\mbox{ (combined)}] \times 10^{0}}\)