Directed flow of neutral strange particles at AGS

Details Directed flow of neutral strange particles at AGS Directed flow of neutral strange particles at AGS

1999-06-23

arxiv.org/abs/nucl-th/9906067v1

J.Phys.G26:1665-1670,2000

Physics

Nuclear Physics

Nuclear Theory

6 pages, 2 figures

Scientific paper

10.1088/0954-3899/26/11/303

Directed flow of neutral strange particles in heavy ion collisions at AGS is studied in the ART transport model. Using a lambda mean-field potential which is 2/3 of that for a nucleon as predicted by the constituent quark model, lambdas are found to flow with protons but with a smaller flow parameter as observed in experiments. For kaons, their repulsive potential, which is calculated from the impulse approximation using the measured kaon-nucleon scattering length, leads to a smaller anti-flow than that shown in the preliminary E895 data. Implications of this discrepancy are discussed.

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