${\cal{B}}( B^+ \to h^+ X^0(\rm{Familon}) )$
Experiment
Measurement [10
-5
]
$\Delta\chi^2$
Reference
Comments
Average
$< 4.9$
$h = \pi, K$.
PDG
$< 4.9$
pdgLive
CLEO
$< 4.9$
Phys.Rev.Lett.
87
,271801 (2001)
Quoted upper limits are at 90% confidence level (CL), unless mentioned otherwise.