Abstract
Recent data from p̄p annihilation at LEAR indicate large violations of the OZI rule for certain final states. The final state dependance together with results on polarized lepton-nucleon scattering led to a model that assumes that there is a polarized s̄s component in the nucleon wave function. The data and this model will be presented and in the end a little phenomenological model is used to explain part of the strangeness enhancement that is seen in ultra-relativistic heavy ion reactions.
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