$\frac{f_s}{f_d} \frac{\mathcal{B}(B^0_s\rightarrow K^+K^-)}{\mathcal{B}(B^0_d\rightarrow K^+\pi^-)}$

ExperimentMeasurement [100]$\Delta\chi^2$ReferenceComments
Average$0.327 \pm0.017$0.75$p=0.39$ (ndf=1)
LHCb$0.316 \pm0.009 \pm0.019$0.26 JHEP 10,037 (2012)
CDF$0.347 \pm0.020 \pm0.021$0.49 Phys.Rev.Lett. 106,181802 (2011)