The process $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0$ in the energy range 2E_0=1.04 - 1.38 GeV

Abstract

In the experiment with the SND detector at VEPP-2M e^+e^- collider the process $e^{+}{e}^{-}\to {\pi }^{+}{\pi }^{-}{\pi }^0$ was studied in the energy range 2E_0 from 1.04 to 1.38 GeV. A broad peak was observed with the visible mass $M_{vis}=1220\pm 20$ MeV and cross section in the maximum ${\sigma }_0\simeq 4$ nb. The peak can be interpreted as a $\omega$-like resonance $\omega (1200)$.

arXiv comment10 pages LATEX and 5 figures

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