Study of the process \(e^+e^- \to \omega\pi^0 \to \pi^+\pi^-\pi^0\pi^0\) in the energy range \(1.05-2.00\) GeV with SND

The process \(e^+e^- \to \omega\pi^0 \to \pi^+\pi^-\pi^0\pi^0\) is studied in the center-of-mass energy region \(1.05-2.00\) GeV using data with an integral luminosity of about 35 pb\(^{-1}\) collected with the SND detector at the VEPP-2000 \(e^+e^-\) collider. In the energy range under study, the v...

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Published in:arXiv.org 2023-09
Main Authors: Collaboration, SND, Achasov, M N, A Yu Barnyakov, Beloborodov, K I, Berdyugin, A V, Berkaev, D E, Bogdanchikov, A G, Botov, A A, Denisov, V S, Dimova, T V, Druzhinin, V P, Eminov, E A, Fomin, L B, Kardapoltsev, L V, Kharlamov, A G, Koop, I A, Korol, A A, Kovrizhin, D P, Kupich, A S, Kryukov, A P, Melnikova, N A, N Yu Muchnoy, Obrazovsky, A E, Pakhtusova, E V, Perevedentsev, E A, Pugachev, K V, Rogovsky, Yu A, Serednyakov, S I, Shatunov, Yu M, Shtol, D A, Silagadze, Z K, Surin, I K, Timoshenko, M V, Usov, Yu V, Zemlyansky, I M, Zhabin, V N, Zhulanov, V V
Format: Article
Language:English
Subjects:
Cross-sections
Luminosity
Uncertainty
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Summary:The process \(e^+e^- \to \omega\pi^0 \to \pi^+\pi^-\pi^0\pi^0\) is studied in the center-of-mass energy region \(1.05-2.00\) GeV using data with an integral luminosity of about 35 pb\(^{-1}\) collected with the SND detector at the VEPP-2000 \(e^+e^-\) collider. In the energy range under study, the value of the measured Born cross section varies from 0.7 to 18 nb. The statistical uncertainty of the cross section is \(2-23\)%, while the systematic uncertainty is in the range of \(3.0-14.2\)%. The results are consistent with previous measurements but have better accuracy.
ISSN:2331-8422