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Various model-independent aspects of the $\bar{K} N \to K \Xi$ reaction areinvestigated, starting from the determination of the most general structure ofthe reaction amplitude for $\Xi$ baryons with $J^P=\frac12^\pm$ and$\frac32^\pm$ and the observables that allow a complete determination of theseamplitudes. Polarization observables are constructed in terms of spin-densitymatrix elements. Reflection symmetry about the reaction plane is exploited, inparticular, to determine the parity of the produced $\Xi$ in amodel-independent way. In addition, extending the work of Biagi$\mathrm{\textit{et al. } [Z. Phys.\ C \textbf{34}, 175 (1987)]}$, a way ispresented of determining simultaneously the spin and parity of the ground stateof $\Xi$ baryon as well as those of the excited $\Xi$ states.

Model-independent aspects of the reaction $\bar{K} + N \to K + \Xi$