${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \gamma}}$  Decay Mode Summary INSPIRE   PDGID:
S044.4
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{60}$ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \gamma}}$ $<5.6 \times 10^{-4}$ CL= 95% 45594
Note: See the Particle Listings below for the ${{\mathit \gamma}}$ energy range used in this measurement.
The following data is related to the above value: