${\cal B}(B^+ \to f_1(1420) K^+) \times {\cal B}(f_1(1420) \to K^* K)$

ExperimentMeasurement [10-6]$\Delta\chi^2$ReferenceComments
Average$< 4.1$
PDG$< 4.1$pdgLive
BaBar$< 4.1$Phys.Rev.Lett. 101,091801 (2008)
Quoted upper limits are at 90% confidence level (CL), unless mentioned otherwise.