| Experiment | Measurement | Reference |
|---|---|---|
| LHCb | \([1.97 \pm 0.18\mbox{ (stat)} ^{+0.19}_{-0.20}\mbox{ (syst)} ^{+0.11}_{-0.10}\mbox{ (fs/fd)}] \times 10^{-4}\) | LHCb (superseded) |
| LHCb | \([1.90 \pm 0.12\mbox{ (stat)} \pm 0.13\mbox{ (syst)} ^{+0.12}_{-0.14}\mbox{ (fs/fd)}] \times 10^{-4}\) | JHEP 1206 (2012) 115 |
| Belle | \([2.4 ^{+1.2}_{-1.0}\mbox{ (stat)} \pm 0.3\mbox{ (syst)} \pm 0.3\mbox{ (fs)}] \times 10^{-4}\) | PRL 102, 021801 (2009) |
| Average | \(\mathbf{[1.92 \pm 0.22\mbox{ (combined)}] \times 10^{-4}}\) | CL=0.6778 |