Abstract

Multi-strange baryon and antibaryon production is expected to be a useful probe in the search for quark-gluon plasma formation. We present the transverse mass distributions of negative particles, Λ' s, Λ' s and Ξ −' s produced in sulphur-tungsten interactions at 200 GeV/ c per nucleon and give the corrected rations Λ/Λ, Ξ −/Λ and Ξ − / Λ . Our ratio Ξ − / Λ appears to be larger than that from pp interactions.

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