${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   Decay Mode Summary INSPIRE   PDGID:
S013.5
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{8}$ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ($1.967$ $\pm0.010$) $ \times 10^{-3}$ 206
Category: Hadronic modes, including Charge conjugation${\times }$Parity Violating ($\mathit CPV$) modes
Note: (CPV) $\mathit CP$ VIOLATION OBSERVED
Note: This mode includes gammas from inner bremsstrahlung but not the direct emission mode ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ (DE).
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{8}/\Gamma$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$
$\Gamma_{8}/\Gamma_{1}$
$\lbrack{}\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ (DE)$)\rbrack{}/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)$
($\Gamma_{8}$+ $\Gamma_{14})/\Gamma_{2}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/[\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)\rbrack{}$
$\Gamma_{8}/(\Gamma_{1}$+ $\Gamma_{2}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ 2 tracks$)$
$\Gamma_{1}/(\Gamma_{1}$+ $\Gamma_{2}$+ 0.03508$\Gamma_{6}$+ $\Gamma_{7}$+ $\Gamma_{8}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/[\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit e}^{\mp}}{{\mathit \nu}_{{e}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}{{\mathit \mu}^{\mp}}{{\mathit \nu}_{{\mu}}}$ $)$+ $\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)\rbrack{}$
$\Gamma_{8}/(\Gamma_{1}$+ $\Gamma_{2}$+ $\Gamma_{7}$)
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)$
$\Gamma_{8}/\Gamma_{7}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{9}/\Gamma_{8}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{13}/\Gamma_{8}$
$\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $)/\Gamma($ ${{\mathit K}_L^0}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$
$\Gamma_{23}/\Gamma_{8}$
${{\mathit K}_L^0}$ MEAN LIFE