Study of the D^0 \to pi^-pi^+pi^-pi^+ decay

FOCUS Collaboration

Using data from the FOCUS (E831) experiment at Fermilab, we present new measurements for the Cabibbo-suppressed decay mode $D^0\to {\pi }^{-}{\pi }^{+}{\pi }^{-}{\pi }^{+}$. We measure the branching ratio $Γ…