The process e+e-π+π-π0 in the energy range 2E0=1.04 - 1.38 GeV
M. N. Achasov, V. M. Aulchenko, S. E. Baru, K. I. Beloborodov, A. V. Berdyugin, A. V. Bozhenok, A. D. Bukin, D. A. Bukin, S. V. Burdin, T. V. Dimova, S. I. Dolinsky, V. P. Druzhinin, M. S. Dubrovin, I. A. Gaponenko, V. B. Golubev, V. N. Ivanchenko, I. A. Koop, P. M. Ivanov, A. A. Korol, S. V. Koshuba, E. V. Pakhtusova, E. A. Perevedentsev, A. A. Salnikov, S. I. Serednyakov, V. V. Shary, Yu. M. Shatunov, V. A. Sidorov, Z. K. Silagadze, A. N. Skrinsky, Y. V. Usov, A. V. Varganov, A. V. Vasilyev, Yu. S. Velikzhanin
Abstract
In the experiment with the SND detector at VEPP-2M e+e- collider the process e+e-π+π-π0 was studied in the energy range 2E0 from 1.04 to 1.38 GeV. A broad peak was observed with the visible mass Mvis=1220 20 MeV and cross section in the maximum σ0 4 nb. The peak can be interpreted as a ω-like resonance ω(1200).
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