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K. I. Beloborodov, A. V. Berdyugin, A. A. Botov, V. B. Golubev, T. V. Dimova, V. P. Druzhinin, A. G. Kharlamov, D. P. Kovrizhin, I. A. Koop, A. A. Korol, S. V. Koshuba, A. E. Obrazovsky, E. V. Pakhtusova, D. A. Shtol, S. I. Serednyakov, Z. K. Silagadze, A. N. Skrinsky, Yu. A. Tikhonov, Yu. M. Shatunov and A. V. Vasil'ev. Study of the process e+e→π+ππ0π0 at energies √s<1 GeV[J]. Chinese Physics C, 2010, 34(6): 680-685. doi: 10.1088/1674-1137/34/6/012
K. I. Beloborodov, A. V. Berdyugin, A. A. Botov, V. B. Golubev, T. V. Dimova, V. P. Druzhinin, A. G. Kharlamov, D. P. Kovrizhin, I. A. Koop, A. A. Korol, S. V. Koshuba, A. E. Obrazovsky, E. V. Pakhtusova, D. A. Shtol, S. I. Serednyakov, Z. K. Silagadze, A. N. Skrinsky, Yu. A. Tikhonov, Yu. M. Shatunov and A. V. Vasil'ev. Study of the process e+e→π+ππ0π0 at energies √s<1 GeV[J]. Chinese Physics C, 2010, 34(6): 680-685.  doi: 10.1088/1674-1137/34/6/012 shu
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Received: 2010-01-25
Revised: 1900-01-01
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Study of the process e+e→π+ππ0π0 at energies √s<1 GeV

    Corresponding author: A. G. Kharlamov,

Abstract: 

In an experiment with the Spherical Neutral Detector at VEPP-2M collider the cross section of the process e+e→π+ππ0π0 was measured. At energies √s<920 MeV this cross section was measured for the first time. The energy dependence of the cross section is well discribed by the vector dominance model with contributions from ρ, ρ′, ρ′′ mesons. The decay probability ρ→π+ππ0π0 was found to be Bρ=(1.60±0.74±0.18)×10-5. The upper limit for the decay ω→π+ππ0π0 was improved by two orders of magnitude compared to the previous measurements and is Bω<2×10-4 at 90% confidence level.

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