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

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

2011-05-25

arxiv.org/abs/1105.5029v2

Few Body Syst.50:223-225,2011

Physics

Nuclear Physics

Nuclear Theory

Presented at the 21st European Conference on Few-Body Problems in Physics, Salamanca, Spain, 30 August - 3 September 2010

Scientific paper

10.1007/s00601-010-0148-y

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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