${\cal B}(B_s^0 \to \tau^+ \mu^- \mathrm{+c.c.})$
Experiment
Measurement [10
-5
]
$\Delta\chi^2$
Reference
Comments
Average
$< 3.4$
PDG shows the result obtained at 95\% CL.
PDG
$< 4.2$
pdgLive
LHCb
$< 3.40$
Phys.Rev.Lett.
123
,211801 (2019)
Quoted upper limits are at 90% confidence level (CL), unless mentioned otherwise.