A coupled-channels model with pion loops produces the Delta(1232) and Delta(1600) resonances, with the latter dynamically generated and distinguishable by its Q^2-dependent helicity amplitudes.
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Dynamical generation of resonances in the P33 partial wave
A coupled-channels model with pion loops produces the Delta(1232) and Delta(1600) resonances, with the latter dynamically generated and distinguishable by its Q^2-dependent helicity amplitudes.