Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2011-08-08
Physics
Nuclear Physics
Nuclear Theory
Contribution to the Proceedings of NSTAR 2011 - The 8th International Workshop on the Physics of Excited Nucleons, May 17-20,
Scientific paper
We present the results on P11 resonances obtained with Dubna-Mainz-Taipei (DMT) dynamical model for pion-nucleon scattering and pion electromagnetic production. The extracted values agree well, in general, with PDG values. One pole is found corresponding to the Roper resonance and two more resonances are definitely needed in DMT model. We further find indication for a narrow P11 resonance at around 1700 MeV with a width of around 50 MeV in both pi-N and gamma-pi reactions.
Kamalov Sabit S.
Tiator Lothar
Yang Shin Nan
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