Directed Flow in 158 A GeV Pb + Pb Collisions

1998/07/21 by WA98 Collaboration, M. M. Aggarwal, Aggarwal, M. M.
Physics and Astronomy · #FOS: Physical sciences #Nuclear Experiment (nucl-ex) #nucl-ex

paper · pdf · doi:10.48550/arxiv.nucl-ex/9807004

5 pages, Latex, including 3 eps figures, submitted to Phys.Rev.Lett. Resubmitted with revised text and figures

arxiv created 1999/02/11 · arxiv updated 2009/12/01

Abstract

The directed flow of protons and positive pions have been studied in 158 A GeV Pb + Pb collisions. A directed flow analysis of the rapidity dependence of the average transverse momentum projected onto the reaction plane is presented for semi-central collisions with impact parameters of approximately 8 fm, where the flow effect is largest. The magnitude of the directed flow is found to be significantly smaller than observed at AGS energies and than RQMD model predictions.

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