${\cal B}(B^0 \to \tau^+ \tau^-)$
Experiment
Measurement [10
-3
]
$\Delta\chi^2$
Reference
Comments
Average
$< 2.1$
PDG
$< 2.1$
pdgLive
LHCb
$< 2.1000$
Phys.Rev.Lett.
118
,251802 (2017)
At CL=95%.
BaBar
$< 4.1000$
Phys.Rev.Lett.
96
,241802 (2006)
Quoted upper limits are at 90% confidence level (CL), unless mentioned otherwise.
