Measurement of the branching fraction for the decay $K_S\to \pi \mu \nu$ with the KLOE detector

D. Babusci, M. Berlowski, C. Bloise +53

Based on a sample of 300 million $K_S$ mesons produced in $\varphi \to K_L{K}_S$ decays recorded by the KLOE experiment at the DA$\Phi$NE $e^{+}{e}^{-}$ collider we have measured the branching frac…