We investigate {π}{ρ} scattering in the pseudoscalar ({π}), vector ({ω}), and axial-vector (A₁) channel using a model based on a s- as well as t-channel meson exchange. We start with the realistic case of a broad {ρ} meson and illustrate the application of three-body methods in this approach. In a second step our calculation is simplified by treating the {ρ} as a stable particle. Our model is adjusted to reproduce {ω}- and A₁-resonance parameters and we are able to resolve in a natural way apparent discrepancies occurring in the analysis of the A₁.
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Janssen et al. (1994) studied this question.
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