Nuclei in a chiral SU(3) model

Details Nuclei in a chiral SU(3) model Nuclei in a chiral SU(3) model

1998-06-26

arxiv.org/abs/nucl-th/9806087v1

Phys.Rev.C59:411-427,1999

Physics

Nuclear Physics

Nuclear Theory

25 pages, RevTeX

Scientific paper

10.1103/PhysRevC.59.411

Nuclei can be described satisfactorily in a nonlinear chiral SU(3)-framework, even with standard potentials of the linear $\sigma$-model. The condensate value of the strange scalar meson is found to be important for the properties of nuclei even without adding hyperons. By neglecting terms which couple the strange to the nonstrange condensate one can reduce the model to a Walecka model structure embedded in SU(3). We discuss inherent problems with chiral SU(3) models regarding hyperon optical potentials.

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