$f_{s} \times {\cal{B}}( B^0_s \to \eta \eta)$
Experiment
Measurement [10
-5
]
$\Delta\chi^2$
Reference
Comments
Average
$< 2.9$
Belle
$< 2.9$
Phys.Rev.D
105
,012007 (2022)
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.
