EPJ Web Conf.
Volume 212, 2019The 12th International Workshop on e+e- Collisions from Phi to Psi (PhiPsi 2019)
|Number of page(s)||5|
|Section||Mesons of Light Quarks|
|Published online||17 June 2019|
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: 17 June 2019
The reaction e+e-→ π+π-π0η has been studied in the center-of-mass energy region below 2 GeV in the experiment with the SND detector at the VEPP-2000 e+e- collider. The reaction proceeds via the four intermediate states: ωη, , a0(980)ρ, and a structureless π+π-π0η state, which may be, for example, ρ(1450)π state with ρ(1450) → ρ(770)η. The total e+e-→ π+π-π0η cross section and the cross section for its components, ωη, , and a sum of a0(980)ρ and the structureless state, have been measured separately. Our results are in agreement with previous measurements and have comparable or better accuracies.
© The Authors, published by EDP Sciences, 2019
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