Towards a model-independent partial wave analysis for pseudoscalar meson photoproduction

Abstract. Amplitude and partial wave analyses for pion, eta or kaon photoproduction are discussed in the context of ‘complete experiments’. It is shown that the model-independent helicity amplitudes obtained from at least 8 polarization observables including beam, target and recoil polarization can not be used to determine underlying resonance parameters. However, a truncated partial wave analysis, which theoretically requires only 5 observables will be possible with minimal model input