${{\mathit K}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{-}}{{\mathit \mu}^{+}}{{\mathit e}^{+}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S010.125
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{50}$ ${{\mathit K}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{-}}{{\mathit \mu}^{+}}{{\mathit e}^{+}}$ $<2.9 \times 10^{-10}$ CL= 90% 154
Category: Lepton family number ($\mathit LF$), Lepton number ($\mathit L$), $\Delta \mathit S$ = $\Delta \mathit Q$ ($\mathit SQ$) violating modes, or $\Delta \mathit S$ = 1 weak neutral current ($\mathit S1$) modes
Note: (L) Violation of total lepton number conservation also implies violation of lepton family number conservation.
The following data is related to the above value: