| Experiment | Measurement | Reference |
|---|---|---|
| Belle | \([10.1 \pm 0.2\mbox{ (stat)} \pm 0.7\mbox{ (syst)} \pm 0.2\mbox{ (psi br (correlated))}] \times 10^{-4}\) | PRD 67, 032003(2003) |
| BaBar | \([8.1 \pm 1.3\mbox{ (stat)} \pm 0.7\mbox{ (syst)}] \times 10^{-4}\) | PRL 96 052002 (2006) |
| BaBar | \([10.61 \pm 0.15\mbox{ (stat)} \pm 0.44\mbox{ (syst)} \pm 0.18\mbox{ (jpsi br (correlated))}] \times 10^{-4}\) | PRL 94 141801 (2005) |
| Average | \(\mathbf{[10.28 \pm 0.40\mbox{ (combined)}] \times 10^{-4}}\) |