${{\mathit \mu}^{-}}$ $\rightarrow$ ${{\mathit e}^{-}}$2 ${{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
S004.6
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{7}$ ${{\mathit \mu}^{-}}$ $\rightarrow$ ${{\mathit e}^{-}}$2 ${{\mathit \gamma}}$ $<7.2 \times 10^{-11}$ CL= 90% 53
Category: Lepton Family number ($\mathit LF$) violating modes
Note: (LF) Lepton family number conservation means separate conservation of each of $\mathit L_{{{\mathit e}}}$, $\mathit L_{{{\mathit \mu}}}$, $\mathit L_{{{\mathit \tau}}}$.
The following data is related to the above value:
$\Gamma($ ${{\mathit \mu}^{-}}$ $\rightarrow$ ${{\mathit e}^{-}}$2 ${{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{7}/\Gamma$