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HK: Physik der Hadronen und Kerne

HK 36: Theorie

HK 36.4: Talk

Wednesday, March 22, 2006, 17:45–18:00, B

The coupled-channel analysis of the KΛ photoproduction in the nucleon resonance energy region — •Vitaly Shklyar, Horst Lenske und Ulrich Mosel — Institut für Theoretische Physik, Universität Giessen, Germany

The coupled–channel problem for the reactions π N→ π N, 2π N, η N, ω N, KΛ, KΣ and γ N→ γ N, η N, ω N, KΛ, KΣ is solved within a unitary effective Lagrangian approach. Recent experimental data on KΛ photoproduction in the nucleon resonance energy region from CLAS, SPAHIR, and SPring-8 are analysed to extract the nucleon resonance contibution for the process of interest. The results of calculations and the resonance couplings to the KΛ final state are presented and discussed.
Supported by FZ Jühlich.