| Experiment | Measurement [10-7] | $\Delta\chi^2$ | Reference | Comments |
|---|---|---|---|---|
| Average | $5.76 \pm0.40$ | 1.37 | $p=0.24$ (ndf=1) | Treatment of charmonium intermediate components differs between the results. |
| PDG | $4.71 \pm0.46$ | pdgLive | ||
| BELLE | $5.99\,^{+0.45}_{-0.43} \pm0.14$ | 0.26 | JHEP 03,105 (2021) | |
| BaBar | $4.76\,^{+0.92}_{-0.86} \pm0.22$ | 1.12 | Phys.Rev.Lett. 102,091803 (2009) |