Roper + Pion decays as a test of the radial resonances wavefunction

Details Roper + Pion decays as a test of the radial resonances wavefunction Roper + Pion decays as a test of the radial resonances wavefunction

2006-10-17

arxiv.org/abs/nucl-th/0610065v1

Physics

Nuclear Physics

Nuclear Theory

7 pages

Scientific paper

We calculate the decays of baryon resonances to the pion + Roper resonance channel in the frame of the flux-tube breaking model. The baryon and meson wavefunctions we use are obtained from a linear confinement semi-relativistic constituent quark model. The results, in good agreement with the existing data, provide a spectrum independant test on the radial form of the main component of the Roper resonance. They shed light on a likely orbital nature for the second delta resonance.

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