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Type: Journal article
Title: Strange hadron matter and SU(3) symmetry
Author: Stoks, V. G. J.
Lee, T-S. H.
Citation: Physical Review C, 1999; 60(2):024006
Publisher: American Physical Society
Issue Date: 1999
ISSN: 0556-2813
School/Discipline: School of Chemistry and Physics
Statement of
V. G. J. Stoks, and T.-S. H. Lee
Abstract: We calculate saturation curves for strange hadron matter using recently constructed baryon-baryon potentials which are constrained by SU(3) symmetry. All possible interaction channels within the baryon octet (consisting of N,Λ,Σ, and Ξ) are considered. It is found that a small Λ fraction in nuclear matter slightly increases binding, but that larger fractions (>10%) rapidly cause a decrease. Charge-neutral {N,Λ,Ξ} systems, with equal densities for nucleons and cascades, are only very weakly bound. The dependence of the binding energies on the strangeness per baryon, fs, is predicted for various {N,Λ,Ξ} and {N,Λ,Σ,Ξ} systems. The implications of our results in relativistic heavy-ion collisions and the core of a dense star are discussed. We also discuss the differences between our results and previous hadron matter calculations.
Rights: © 1999 The American Physical Society
DOI: 10.1103/PhysRevC.60.024006
Appears in Collections:Special Research Centre for the Subatomic Structure of Matter publications

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