Study of the Dynamics of the Process e+e- → π+π-π0 in the Energy Range between 1.15 and 2.00 GeV

M. N. Achasov, A. Yu Barnyakov, A. A. Baykov, K. I. Beloborodov, A. V. Berdyugin, A. G. Bogdanchikov, A. A. Botov, V. B. Golubev, T. V. Dimova, V. P. Druzhinin, V. N. Zhabin, V. V. Zhulanov, L. V. Kardapoltsev, D. P. Kovrizhin, A. A. Korol, A. S. Kupich, K. A. Martin, N. A. Melnikova, N. Yu Muchnoi, A. E. ObrazovskyE. V. Pakhtusova, K. V. Pugachev, Ya S. Savchenko, S. I. Serednyakov, Z. K. Silagadze, I. K. Surin, Yu V. Usov, A. G. Kharlamov, D. A. Shtol

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Abstract

Using the SND detector, the process e+e- → π+π-π0 was studied in the energy range between 1.05 and 2.00 GeV. The respective measurement was performed on the basis of data accumulated in the experiments at the VEPP-2000 electron–positron collider throughout the runs of 2011 and 2012. Also, the invariant-mass spectra of the (Formula presented.) combinations were analyzed in the energy range between 1.15 and 2 GeV. This resulted in finding an indication that the (Formula presented.) excited state decayed predominantly through the (Formula presented.) intermediate state.

Original languageEnglish
Pages (from-to)940-943
Number of pages4
JournalPhysics of Atomic Nuclei
Volume83
Issue number6
DOIs
Publication statusPublished - Nov 2020

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