${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$   Decay Mode Summary INSPIRE   PDGID:
S013.4
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{1}$ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $0.4055$ $\pm0.0011$ 229
Category: Semileptonic modes
Note: The value is for the sum of the charge states or particle/antiparticle states indicated.
The following data is related to the above value:
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$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$
$\Gamma_{1}$
$\lbrack{}\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)$
($\Gamma_{1}$+ $\Gamma_{2}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{1}/\Gamma$
$\lbrack{}\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)/\Gamma_{\text{total}}$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)/\Gamma_{\text{total}}$
($\Gamma_{1}$+ $\Gamma_{2})/\Gamma$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$
$\Gamma_{2}/\Gamma_{1}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ 3 ${{\mathit \pi}^{0}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$
$\Gamma_{6}/\Gamma_{1}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ 3 ${{\mathit \pi}^{0}}$ $)/[\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)\rbrack{}$
$\Gamma_{6}/(\Gamma_{1}$+ $\Gamma_{2}$+ $\Gamma_{7}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$
$\Gamma_{7}/\Gamma_{1}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)/[\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)\rbrack{}$
$\Gamma_{7}/(\Gamma_{1}$+ $\Gamma_{2}$+ $\Gamma_{7}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$
$\Gamma_{8}/\Gamma_{1}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/[\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)\rbrack{}$
$\Gamma_{8}/(\Gamma_{1}$+ $\Gamma_{2}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ 2 tracks$)$
$\Gamma_{1}/(\Gamma_{1}$+ $\Gamma_{2}$+ 0.03508$\Gamma_{6}$+ $\Gamma_{7}$+ $\Gamma_{8}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/[\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)\rbrack{}$
$\Gamma_{8}/(\Gamma_{1}$+ $\Gamma_{2}$+ $\Gamma_{7}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}{{\mathit \gamma}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$
$\Gamma_{10}/\Gamma_{1}$
${{\mathit K}_L^0}$ MEAN LIFE