| Experiment | Measurement | Reference |
|---|---|---|
| Belle | \([1.99 \pm 0.26\mbox{ (stat)} \pm 0.18\mbox{ (syst)}] \times 10^{-5}\) | PRD 82, 051103(R) (2010) |
| BaBar | \([2.5 \pm 0.4\mbox{ (stat)} \pm 0.1\mbox{ (syst)} \pm 0.1\mbox{ (Ds+ BF)}] \times 10^{-5}\) | PRD 78, 032005 (2008) |
| Average | \(\mathbf{[2.16 \pm 0.26\mbox{ (combined)}] \times 10^{-5}}\) |