EPJ Web of Conferences 218, 02007 (2019)
https://doi.org/10.1051/epjconf/201921802007

Study of the process e⁺e⁻→ π⁺π⁻π⁰η at the SND detector

Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia

^* e-mail: A.A.Botov@inp.nsk.su

Published online: 18 October 2019

Abstract

The reaction e⁺e⁻→ π⁺ π⁻π⁰η has been studied in the experiment with the SND detector at the VEPP-2000 e⁺ e⁻ collider. The reaction proceeds via the four intermediate states: ωη, φη, a₀ρ, and structureless π⁺π⁻π⁰η state, which may be, for example, ρ(1450) with ρ(1450) → ρ(770)η. The total e⁺e⁻→ π⁺π⁻π⁰η cross section and cross section for the four intermediate states have been measured and fitted in the vector meson dominance model.