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Updated measurement of the e^+e^- to ω π⁰ to π⁰π⁰γ cross section with the SND detector
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Updated measurement of the e^+e^- to ω π⁰ to π⁰π⁰γ cross section with the SND detector
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We analyze a 37 pb$^{-1}$ data sample collected with the SND detector at the VEPP-2000 $e^+e^-$ collider in the center-of-mass energy range 1.05--2.00 GeV and present an updated measurement of the $e^+e^- \to \omega \pi^0 \to \pi^0\pi^0\gamma$ cross section. In particular, we correct the mistake in radiative correction calculation made in our previous measurement based on a part of the data. The measured cross section is fitted with the vector meson dominance model with three $\rho$-like states and used to test the conserved vector current hypothesis in the $\tau^-\to\omega\pi^-\nu_{\tau}$ decay.
Forward citations
Cited by 2 Pith papers
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