On the role of $a_1(1260)$ meson in the $\tau \to 4\pi {\nu }_{\tau }$ decay

A. E. Bondar, S. I. Eidelman, A. I. Milstein +1

We demonstrate that a simple model successfully describing experimental data for the process $\epm\to 4π$ can also qualitatively account for the data of CLEOII and ALEPH obtained r…