Strange hyperon and antihyperon production from quark and string-rope matter

Details Strange hyperon and antihyperon production from quark and string-rope matter Strange hyperon and antihyperon production from quark and string-rope matter

1998-09-19

arxiv.org/abs/hep-ph/9809456v1

J.Phys.G25:321-330,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, Latex, 3 EPS figures, contribution to the Proceedings of the 4th International Conference on Strangeness in Quark Ma

Scientific paper

10.1088/0954-3899/25/2/020

Hyperon and antihyperon production is investigated using two microscopical models: {\bf (1)} the fast hadronization of quark matter as given by the ALCOR model; {\bf (2)} string formation and fragmentation as in the HIJING/B model. We calculate the particle numbers and momentum distributions for Pb+Pb collisions at CERN SPS energies in order to compare the two models with each other and with the available experimental data. We show that these two theoretical approaches give similar yields for the hyperons, but strongly differ for antihyperons.

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