| Experiment | Measurement [10-6] | $\Delta\chi^2$ | Reference | Comments |
|---|---|---|---|---|
| Average | $4.55\,^{+0.91}_{-0.82}$ | 9.75 | $p=0.94$ (ndf=18) | The PDG average is a result of a fit including input from other measurements. |
| PDG | $4.53 \pm0.81$ | pdgLive | ||
| LHCb | $4.68 \pm0.44 \pm0.95$ using ${\cal B}(\Lambda_b^0 \to p K^-)$ | 0.06 | JHEP 10,037 (2012) | |
| CDF | $( {\cal B}(\Lambda_b^0 \to p \pi^-) / {\cal B}(B^0 \to K^+ \pi^-) ) ( f_{\Lambda^0_b} / f_{d} )$ | 0.20 | Phys.Rev.Lett. 103,031801 (2009) |
| Source | Parameter | Correlation [%] | Value | $\Delta\chi^2$ |
|---|---|---|---|---|
| fit | ${\cal B}(\Lambda_b^0 \to p K^-)$ | 83.7 | $5.4 \pm1.1 \times 10^{-6}$ | |
| fit | ${\cal B}(\Lambda_b^0 \to \Lambda^0 \phi(1020))$ | 25.0 | $1.01\,^{+0.29}_{-0.25} \times 10^{-5}$ | |
| fit | ${\cal B}(B^0 \to K^+ \pi^-)$ | 7.8 | $1.946 \pm0.046 \times 10^{-5}$ | |
| fit | ${\cal B}(B^0 \to \pi^+ \pi^-)$ | 2.0 | $5.15 \pm0.19 \times 10^{-6}$ | |
| fit | ${\cal B}(B_s^0 \to K^+ K^-)$ | 1.6 | $2.66\,^{+0.32}_{-0.27} \times 10^{-5}$ | |
| fit | ${\cal B}(B_s^0 \to K^- \pi^+)$ | 1.3 | $5.90\,^{+0.87}_{-0.76} \times 10^{-6}$ | |
| fit | ${\cal B}(B_s^0 \to \pi^+ \pi^-)$ | 1.2 | $7.2\,^{+1.1}_{-1.0} \times 10^{-7}$ | |
| fit | ${\cal B}(B^0 \to K^+ K^-)$ | 1.0 | $8.0 \pm1.5 \times 10^{-8}$ | |
| fit | ${\cal B}(B^0 \to \phi(1020) K^0)$ | 0.0 | $7.25 \pm0.60 \times 10^{-6}$ | |
| fit | ${\cal B}(B_s^0 \to K^0 \bar{K}^0)$ | 0.0 | $1.74 \pm0.31 \times 10^{-5}$ | |
| external | $f_{\Lambda^0_b}$ | -49.6 | $8.1 \pm1.1 \times 10^{-2}$ | 0.09 |
| external | $f_{d}$ | 5.7 | $0.4083 \pm0.0070$ | 0.00 |
| external | $\frac{f_s}{f_d}$ | 0.1 | $0.241 \pm0.023$ | 0.05 |