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arxiv: 1105.5029 · v2 · pith:QRQ3QRHVnew · submitted 2011-05-25 · ⚛️ nucl-th

Delta rho pi interaction leading to N* and Delta* resonances

classification ⚛️ nucl-th
keywords deltainteractionresonancesamplitudeapproachapproximationassociatedbaryon
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We have performed a calculation for the three body $\Delta \rho \pi$ system by using the fixed center approximation to Faddeev equations, taking the interaction between $\Delta$ and $\rho$, $\Delta$ and$\pi$, and $\rho$ and $\pi$ from the chiral unitary approach. We find several peaks in the modulus squared of the three-body scattering amplitude, indicating the existence of resonances, which can be associated to known $I=1/2, 3/2$ and $J^P=1/2^+, 3/2^+$ and $5/2^+$ baryon states.

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