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HK: Fachverband Physik der Hadronen und Kerne

HK 55: Hadronenstruktur und -spektroskopie

HK 55.7: Vortrag

Freitag, 23. März 2012, 12:45–13:00, RW 2

Giessen coupled-channel model pion and photon induced reactions — •Vitaly Shklyar, Horst Lenske, and Ulrich Mosel — Institut für Theoretische Physik, Justus-Liebig-Universität Giessen, Heinrich-Buff-Ring 16, D-35392 Giessen

An unitary coupled-channel Lagrangian model is developed for simultaneous analysis of pion- and photon-induced reactions in the resonance energy region. The π N, ρ N, πΔ, σ N, η N, ω N, KΛ, KΣ final states are treated on the same basis. The coupling constants are constrained by comparison with the available experimental data. Recent results on η-production and the extended treatment of the two-pion channel are presented and discussed.