| Experiment | Measurement [10-6] | $\Delta\chi^2$ | Reference | Comments |
|---|---|---|---|---|
| Average | $3.45 \pm0.48$ | 30.00 | $p=0.0016$ (ndf=11) | The PDG uncertainty includes a scale factor. |
| PDG | $3.41\,^{+1.08}_{-1.14}$ | pdgLive | ||
| BaBar | $4.36\,^{+0.71}_{-0.62} \pm0.31$ | 1.71 | Phys.Rev.D 80,112001 (2009) | Result extracted from Dalitz-plot analysis of $B^0 \to K_S^0 \pi^+ \pi^-$ decays. Multiple systematic uncertainties are added in quadrature. |
| LHCb | $1.97\,^{+0.57}_{-0.83} \pm0.42$ using ${\cal{B}}(B^0 \to K^0 \pi^+ \pi^-)$ | 4.39 | Phys.Rev.Lett. 120,261801 (2018) | Result extracted from Dalitz-plot analysis of $B^0 \to K_S^0 \pi^+ \pi^-$ decays. Multiple systematic uncertainties are added in quadrature. |
| Belle | $6.1 \pm1.0\,^{+1.1}_{-1.2}$ | 2.87 | Phys.Rev.D 75,012006 (2007) | Result extracted from Dalitz-plot analysis of $B^0 \to K_S^0 \pi^+ \pi^-$ decays. |
| Source | Parameter | Correlation [%] | Value | $\Delta\chi^2$ |
|---|---|---|---|---|
| fit | ${\cal B}(B^0 \to (K\pi)^{*+}_{0} \pi^-) \times {\cal B}((K\pi)^{*+}_{0} \to K^0 \pi^+)$ | 6.5 | $1.86 \pm0.11 \times 10^{-5}$ | |
| fit | ${\cal B}(B^0 \to K^*(892)^+ \pi^-)$ | 6.4 | $7.64 \pm0.44 \times 10^{-6}$ | |
| fit | ${\cal B}(B^0 \to K_2^*(1430)^+ \pi^-)$ | 5.4 | $3.82 \pm0.36 \times 10^{-6}$ | |
| fit | ${\cal B}(B^0 \to K^*(1680)^+ \pi^-)$ | 5.4 | $1.47 \pm0.14 \times 10^{-5}$ | |
| fit | ${\cal B}(B^0 \to f_0(980) K^0) \times {\cal B}(f_0(980) \to \pi^+ \pi^-)$ | 3.1 | $8.38 \pm0.61 \times 10^{-6}$ | |
| fit | ${\cal B}(B^0 \to \chi_{c0} K^0) \times {\cal B}(\chi_{c0} \to \pi^+ \pi^-)$ | 2.5 | $1.16\,^{+0.25}_{-0.21} \times 10^{-6}$ | |
| fit | ${\cal B}(B_s^0 \to K^0_S K^*(892)^0 \mathrm{+c.c.})$ | 2.0 | $1.71 \pm0.43 \times 10^{-5}$ | |
| fit | ${\cal B}(B^0 \to K^0 \pi^+ \pi^- \mathrm{(NR)})$ | 1.4 | $1.40 \pm0.17 \times 10^{-5}$ | |
| fit | ${\cal B}(B_s^0 \to K^*(892)^- \pi^+)$ | 1.0 | $3.0 \pm1.1 \times 10^{-6}$ | |
| fit | ${\cal B}(B^0 \to f_0(1500) K^0) \times {\cal B}(f_0(1500) \to \pi^+ \pi^-)$ | 0.9 | $1.35 \pm0.79 \times 10^{-6}$ | |
| fit | ${\cal B}(B^0 \to f_0(500) K^0)$ | 0.4 | $1.7\,^{+2.6}_{-1.6} \times 10^{-7}$ | |
| external | ${\cal{B}}(B^0 \to K^0 \pi^+ \pi^-)$ | 15.3 | $5.18 \pm0.17 \times 10^{-5}$ | 1.25 |
| external | ${\cal B}(K^*(1680)^+ \to K \pi)$ | -0.0 | $0.387 \pm0.025$ | 0.00 |
| external | ${\cal B}(K_2^*(1430)^+ \to K \pi)$ | -0.0 | $0.499 \pm0.012$ | 0.00 |