$\rho \to 4\pi$ DECAY

S. I. Eidelman, E. A. Kuraev, Z. K. Silagadze

The decay modes ${\rho }^0\to 2{\pi }^{+}2{\pi }^{-}$ and ${\rho }^0\to 2{\pi }^0{\pi }^{+}{\pi }^{-}$ are considered in the framework of the low energy effective chiral Lagrangian. The obtained values of the decay width…