Abstract
The high statistics differential cross-section, polarisation and density matrix data on K-p→ϕΛ obtained by the Amsterdam-CERN-Nijmegen-Oxford collaboration at 4.2GeV/c is analysed using a Regge pole model with evasive Regge contributions. The exchanges invoked are the K*, K**, K,KA and KZ The K*-K** exchanges are taken to be non-degenerate and a simplifying assumption on their couplings in reactions, advocated recently by Saleem and collaborators, is generalised to the present case. We do not find any need for the KB in fitting data.
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