Abstract
Kaon photoproduction processes γp → K+Λ and γn → K0Λ have been investigated in the energy regime from threshold up to W = 2.0 GeV. The K+Λ background amplitude is constructed from the appropriate Feynman diagrams, whilst the resonance terms were obtained by using the multipole approach. The observables for the K0Λ channel are obtained by imposing the isospin symmetry to the K+Λ channel and using some experimental data on the helicity photon amplitudes for neutron obtained from the Particle Data Group. The observables used in the present investigation are the cross section and polarization observables. In the case of K+Λ channel, the agreement with the experiment data has been achieved. In the case of K0Λ channel, the predicted observables indicate significant discrepancies with the prediction of Kaon-Maid.
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