Strangeness Enhancement in the Parton Model

Details Strangeness Enhancement in the Parton Model Strangeness Enhancement in the Parton Model

2002-06-03

arxiv.org/abs/nucl-th/0206005v1

Phys.Rev. C66 (2002) 064903

Physics

Nuclear Physics

Nuclear Theory

5 RevTex pages, no figures

Scientific paper

10.1103/PhysRevC.66.064903

Strangeness enhancement in heavy-ion collisions is studied at the parton level by examining the partition of the new sea quarks generated by gluon conversion into the strange and non-strange sectors. The CTEQ parton distribution functions are used as a baseline for the quiescent sea before gluon conversion. By quark counting simple constraints are placed on the hadron yields in different channels. The experimental values of particle ratios are fitted to determine the strangeness enhancement factor. A quantitative measure of Pauli blocking is determined. Energy dependence between SPS and RHIC energies is well described. No thermal equilibrium or statistical model is assumed.

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