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The model of the χci−γ⁎−γ⁎ and χci−J/ψ⁎−γ⁎ form factors developed in [1] for χc1 and χc2 is extended to χc0 case. The studies performed within this model have shown that at BELLE II it will be possible to study in detail χci−γ⁎−γ form factors through measurements of the reaction e+e−→e+e−χci(→J/ψ(→μ+μ−)γ). The results were obtained using the newly updated Monte Carlo generator EKHARA.
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