Photon- and meson-induced reactions on the nucleon
T. Feuster, U. Mosel
Abstract
In an unitary effective Lagrangian model we develop a unified description of both meson scattering and photon-induced reactions on the nucleon. Adding the photon to an already existing model for meson-nucleon scattering yields both Compton and meson photoproduction amplitudes. In a simultaneous fit to all available data involving the final states γN, πN, ππN, ηN and K Λ the parameters of the nucleon resonances are extracted.
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