
| Experiment | Measurement [100] | $\Delta\chi^2$ | Reference | Comments |
|---|---|---|---|---|
| Average | $0.191 \pm0.043$ | |||
| LHCb | $0.191 \pm0.027 \pm0.033$ | 0.00 | JHEP 11,027 (2017) | Regions corresponding to $D$, $\Lambda_c^+$ and charmonium resonances are vetoed in this analysis. Multiple systematic uncertainties are added in quadrature. |