Meson Production on the Nucleon in the Giessen K-Matrix Approach

Details Meson Production on the Nucleon in the Giessen K-Matrix Approach Meson Production on the Nucleon in the Giessen K-Matrix Approach

2005-12-13

arxiv.org/abs/nucl-th/0512044v1

Physics

Nuclear Physics

Nuclear Theory

11 pages, 6 Figures, Proc. Int. Workshop NSTAR 2005 at Tallahassee, Fl., Oct. 2005

Scientific paper

Meson production on the proton is described in a coupled channels K-matrix approach. Both hadronic and photonic scenarios are taken into account on the same theoretical footing. At tree-level the Born amplitudes are obtained from an effective Lagrangian with phenomenologically adjustable coupling constants. The spectral distributions, resonances and their width and the background contributions are obtained within the same approach, thus accounting properly for interference effects. Applications to omega- and associated strangeness production on the proton are discussed.

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