| Experiment | Measurement | Reference |
|---|---|---|
| Belle | \([1.4 \pm 0.2\mbox{ (stat)} \pm 0.2\mbox{ (syst)} \pm 0.4\mbox{ (Lambdac+ BF)}] \times 10^{-4}\) | PRD(RC) 75, 011101 (2007) |
| BaBar | \([9.1 \pm 0.7\mbox{ (stat)} \pm 0.4\mbox{ (syst)} \pm 2.4\mbox{ (Lambdac+ BF)}] \times 10^{-5}\) | PRD 87, 092004 (2013) |
| Average | \(\mathbf{[7.7 \pm 2.3\mbox{ (combined)}] \times 10^{-5}}\) |