Baryon Number Transport via Gluonic Junctions
Stephen E. Vance, Miklos Gyulassy, Xin-Nian Wang
Abstract
A novel non-perturbative gluon junction mechanism is introduced within the HIJING/B nuclear collision event generator to calculate baryon number transport and hyperon production in pA and AA collisions. This gluonic mechanism can account for the observed large mid-rapidity valence baryon yield in Pb+Pb at 160 AGeV and predicts high initial baryon densities at RHIC. However, the highly enhanced Lambda-Lambdabar yield and the baryon transverse momentum flow observed in this reaction can only be partially described.
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