Study of the process e+e- →ωπ0→π0π0γ in c.m. energy range 920-1380 MeV at CMD-2

Physics Letters B(2003)

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Abstract
Abstract The cross section of the process e + e − → ωπ 0 → π 0 π 0 γ has been measured in the c.m. energy range 920–1380 MeV with the CMD-2 detector. Its energy dependence is well described by the interference of the ρ (770) and ρ (1450) mesons decaying to ωπ 0 . Upper limits for the cross sections of the direct processes e + e − → π 0 π 0 γ , ηπ 0 γ have been set.
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energy
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