| Experiment | Measurement | Reference |
|---|---|---|
| CDF | \([26.8 \pm 2.9\mbox{ (stat)} ^{+6.2}_{-4.9}\mbox{ (syst)} \pm 9.7\mbox{ (normalisation Lambda_b)}] \times 10^{-3}\) | PRD 85 032003 (2012) |
| Average | \(\mathbf{[26.8 ^{+11.9}_{-11.2}\mbox{ (combined)}] \times 10^{-3}}\) |