Abstract
An approach to the eta..-->..3..pi.. decays based on eta-..pi../sup 0/ mixing and resonant final-state interactions is presented. It successfully accounts for the experimental data and circumvents the difficulties of the traditional (current-algebra) approach. The value for the G-parity-violating coupling constant Vertical Barg/sub rhoetapi/Vertical Bar = 0.067 +- 0.013 is deduced from the data.
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