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arxiv: 1606.06481 · v2 · pith:EHCRJVUDnew · submitted 2016-06-21 · ✦ hep-ex

Study of the process e^+e^-toωηπ⁰ in the energy range sqrt{s} <2 GeV with the SND detector

M.N. Achasov , V.M. Aulchenko , A.Yu. Barnyakov , K.I. Beloborodov , A.V. Berdyugin , D.E. Berkaev , A.G. Bogdanchikov , A.A. Botov
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T.V. Dimova V.P. Druzhinin V.B. Golubev L.V. Kardapoltsev A.G. Kharlamov I.A. Koop A.A. Korol D.P. Kovrizhin S.V. Koshuba A.S. Kupich A.P. Lysenko N.A. Melnikova K.A. Martin E.V. Pakhtusova A.E. Obrazovsky E.A. Perevedentsev Yu.A. Rogovsky S.I. Serednyakov Z.K. Silagadze Yu.M. Shatunov P.Yu. Shatunov D.A. Shtol A.N. Skrinsky I.K. Surin Yu.A. Tikhonov Yu.V. Usov A.V. Vasiljev I.M. Zemlyansky
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classification ✦ hep-ex
keywords omegaenergyprocessrangecrossdetectorsectionaccumulated
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The process $e^+e^-\to\omega\eta\pi^0$ is studied in the energy range $1.45-2.00$ GeV using data with an integrated luminosity of 33 pb$^{-1}$ accumulated by the SND detector at the $e^+e^-$ collider VEPP-2000. The $e^+e^-\to\omega\eta\pi^0$ cross section is measured for the first time. The cross section has a threshold near 1.75 GeV. Its value is about 2 nb in the energy range $1.8-2.0$ GeV. The dominant intermediate state for the process $e^+e^- \to \omega\eta\pi^0$ is found to be $\omega a_0(980)$.

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