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CHIRAL DYMAMICS OF MANY PION SYSTEMS: THE ρ → 4π AND ω → 5π DECAYS.

Based on the Weinberg lagrangian or, in a new language, the lagrangian of hidden local symmetry added with the term induced by the anomalous lagrangian of Wess and Zumino, the dynamics of the decays ρ → 4π and ω → 5π is considered. The excitation curves of ρ resonance in its decay to 4π are obtained for the first time.