| Experiment | Measurement [10-5] | $\Delta\chi^2$ | Reference | Comments |
|---|---|---|---|---|
| Average | $1.646 \pm0.048$ | 15.35 | $p=0.053$ (ndf=8) | |
| PDG | $1.520\,^{+0.143}_{-0.134}$ | pdgLive | ||
| LHCb | $1.654 \pm0.017 \pm0.047$ using ${\cal B}(B^+ \to K^+ K^+ K^-)$ | 0.05 | Phys.Rev.D 102,112010 (2020) | |
| BaBar | $1.52 \pm0.06\,^{+0.13}_{-0.12}$ | 0.81 | Phys.Rev.D 79,072006 (2009) | Result extracted from Dalitz-plot analysis of $B^+ \to \pi^+ \pi^+ \pi^-$ decays. Charm and charmonium contributions are subtracted. Multiple systematic uncertainties are added in quadrature. |
| Source | Parameter | Correlation [%] | Value | $\Delta\chi^2$ |
|---|---|---|---|---|
| fit | ${\cal B}(B^+ \to K^+ K^+ K^-)$ | 70.1 | $3.389 \pm0.073 \times 10^{-5}$ | |
| fit | ${\cal B}(B^+ \to K^+ \pi^+ \pi^-)$ | 57.1 | $5.76 \pm0.14 \times 10^{-5}$ | |
| fit | ${\cal B}(B^+ \to K^+ K^- \pi^+)$ | 20.2 | $5.16 \pm0.26 \times 10^{-6}$ |