Study of the process e⁺e^- → ωπ⁰ → π⁺π^-π⁰π⁰ in the energy range 1.05-2.00 GeV with SND

2023/09/01 by SND Collaboration, Achasov, M. N., Barnyakov, A. Yu. +34
#FOS: Physical sciences #High Energy Physics - Experiment (hep-ex)

paper · doi:10.48550/arxiv.2309.00280

Abstract

The process e⁺e^- → ωπ⁰ → π⁺π^-π⁰π⁰ 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.

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