TY - JOUR AU - Oset, E. AU - Marco, E. AU - Nacher, J. C. AU - Oller, J. A. AU - Peláez Sagredo, José Ramón AU - Ramos, A. AU - Toki, H. PY - 2000 DO - 10.1016/S0146-6410(00)00073-9 SN - 0146-6410 UR - https://hdl.handle.net/20.500.14352/59877 T2 - Progress in particle and nuclear physics AB - By means of a coupled channel non-perturbative unitary approach, it is possible to extend the strong constrains of Chiral Perturbation Theory to higher energies. In particular, it is possible to reproduce the lowest lying resonances in mesonmeson... LA - eng M2 - 213 PB - Elsevier Science BV KW - Perturbation-theory KW - One-loop KW - Scalar mesons KW - Form-factors KW - Scattering KW - Unitarization KW - Lagrangians KW - Amplitudes KW - Channels KW - Symmetry TI - Photoproduction of meson and baryon resonances in a chiral unitary approach TY - journal article VL - 44 ER -