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Strangeness Production in pp,pA,AA Interactions at SPS Energies.HIJING Approach

1994/07/08 by V. Topor Pop, Pop, V. Topor, A. Andrighetto +9
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.hep-ph/9407262

openalex publication_date 1994/07/08 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

In this report we have made a systematic study of strangeness production in proton-proton(pp),proton-nucleus(pA) and nucleus- nucleus(AA) collisions at CERN Super Proton Synchroton energies, using HIJING MONTE CARLO MODEL (version HIJ.01). Numerical results for mean multiplicities of neutral strange particles ,as well as their ratios to negatives hadrons() for p-p,nucleon-nucleon(N-N), p-S, p-Ag, p-Au('min. bias')collisions and p-Au, S-S, S-Ag, S-Au ('central')collisions are compared to experimental data available from CERN experiments and also with recent theoretical estimations given by others models. Neutral strange particle abundances are quite well described for p-p,N-N and p-A interactions ,but are underpredicted by a factor of two in A-A interactions for Λ,Λ, K0S in symmetric collisions(S-S, Pb-Pb)and for Λ,Λ in asymmetric ones(S-Ag, S-Au, S-W). A qualitative prediction for rapidity, transverse kinetic energy and transverse momenta normalized distributions are performed at 200 GeV/Nucleon in p-S,S-S,S-Ag and S-Au collisions in comparison with recent experimental data. HIJING model predictions for coming experiments at CERN for S-Au, S-W and Pb-Pb interactions are given. The theoretical calculations are estimated in a full phase space.

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