2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176909Differential cross-section and single polarization observables in the process gamma p --> K^+ Lambda are investigated within a constituent quark model and a dynamical coupled-channel formalism. The effects of two new nucleon resonances and of the K*(892)- and K1(1270)-exchanges are briefly presented.Contributed paper to the IVth International Conference on Quarks and Nuclear Physics, Madrid June 5-10, 2006Nuclear Theorytext