Results on the production of baryons with S = 1, 2, 3 and strange mesons in S-W collisions a

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• 作者：Di Bari ; Domenico ; Abatzis ; S. ; Andrighetto ; A. ; Antinori ; F. ; Barnes ; R.P. ; Bayes ; A.C. ; Benayoun ; M. ; et. al.
• 刊名：Nuclear Physics A
• 出版年：1995
• 出版时间：July 24, 1995
• 年：1995
• 卷：590
• 期：1-2
• 页码：307C-315C
• 全文大小：235 K

文摘

We report results on the production of strange baryons/antibaryons with 1, 2, and 3 units of strangeness (Λ, Ξ and Ω) and mesons (K⁰_s, K⁺ and K⁻) in WA85 experiment at the CERN SPS. This experiment was designed to study the production of strange particles in central SW collisions at 200 GeV/c per nucleon, in the central rapidity region with medium to high p_t. We have measured the inverse slopes of the m_t distributions of such particles and the production ratios Λ¯/Λ,Ξ¯⁺ /Ξ⁻, Ξ⁻/Λ,Ξ¯⁺ /Λ¯, K⁰_s/Λ, K⁰_s/Λ¯,(Ω⁻ + Ω¯⁺)/(Ξ⁻ + Ξ¯⁺) and K⁺/K⁻. Preliminary results on the production ratios Ξ⁻/Λ and Ξ¯⁺/Λ¯ in pW collisions at 200 GeV/c are also presented.