${\cal B}(B_s^0 \to \eta^\prime \eta)$

ExperimentMeasurement [10-5]$\Delta\chi^2$ReferenceComments
Average$< 6.5$
Belle$< 6.5$Phys.Rev.D 104,L031101 (2021)
Input values that appear in red are not included in the PDG average.
Quoted upper limits are at 90% confidence level (CL), unless mentioned otherwise.