String Junction Effects for Forward and Central Baryon Production in Hadron-Nucleus Collisions

Abstract

The process of baryon number transfer due to string junction propagation in rapidity space is considered. It leads to a significant effect in the net baryon production in pA collisions at mid-rapidities and an even more significant effect in the forward hemisphere for the cases of πA interactions. The results of numerical calculations in the framework of the Quark-Gluon String Model are in reasonable agreement with the data. Special consideration is given to Λproduced in {π^-}-A collisions extracted from data of WA89 Collaboration.

15 pages, 10 figures

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• Elementary Hadronic Interactions at the CERN SPS
• Centrality dependence of charged antiparticle to particle ratios near mid-rapidity in d+Au collisions at sqrt(s_NN)=200 GeV
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• Midrapidity hyperon production in pp and pA collisions from low to LHC energies
• A model for net-baryon rapidity distribution
• Antibaryon to Baryon Production Ratios in Pb-Pb and p-p collision at LHC energies of the DPMJET-III Monte Carlo