2011/09/01 by Simon Sirca, S. Širca, B. Golli +9
Earth and Planetary Sciences · Physics and Astronomy · #High-Energy Particle Collisions Research #High-pressure geophysics and materials #Quantum Chromodynamics and Particle Interactions #nucl-th
paper · pdf · doi:10.48550/arxiv.1109.0163
5 pages, 5 figures, contributed talk at the Hadron 2011 conference
arxiv created 2011/09/01 · arxiv updated 2011/09/02
Pion scattering and electro-production amplitudes have been computed in a coupled-channel framework incorporating quasi-bound quark-model states, based on the Cloudy Bag model. All relevant low-lying nucleon resonances in the P33, P11, and S11 partial waves have been covered, including the Delta(1232), the N*(1440), N*(1535), and N*(1650). Consistent results have been obtained for elastic and inelastic scattering (two-pion, eta-N, and K-Lambda channels), as well as for electro-production. The meson cloud has been shown to play a major role, in particular in electro-magnetic observables in the P33 and P11 channels.