Towards a Measurement of the ωπ Transition Form Factor
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Two sets of experiments have been performed with the WASA detector at COSY. The intention is to compare the quality of the data between the pd→3He ω and pp→pp ω reactions, in the sense of a feasibility and background study for ω → π0e+e− decays. The aim of the physics program is to determine the transition form factor of the ω meson which does not agree with standard Vector Meson Dominance. As a first step towards the ωπ transition form factor, we study the decay with a real photon, ω → π0γ. The status of the analysis is presented.
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