| Experiment | Measurement [10-5] | $\Delta\chi^2$ | Reference | Comments |
|---|---|---|---|---|
| Average | $1.012 \pm0.043$ | 1.43 | $p=0.70$ (ndf=3) | |
| PDG | $1.012 \pm0.043$ | pdgLive | ||
| Belle | $0.968 \pm0.046 \pm0.050$ | 0.42 | Phys.Rev.D 87,031103 (2013) | |
| BaBar | $1.01 \pm0.06 \pm0.04$ | 0.00 | Phys.Rev.D 87,052009 (2013) | |
| Belle II | $1.073 \pm0.063 \pm0.062$ | 0.48 | Phys.Rev.D 109,012001 (2024) | Combination of time-integrated and time-dependent analyses using the best linear unbiased estimator Ref.~\cite{Valassi:2003mu}. |
| CLEO | $1.28\,^{+0.40}_{-0.33}\,^{+0.17}_{-0.14}$ | 0.53 | Phys.Rev.D 68,052002 (2003) |