Nuclei in a chiral SU(3) model

被引：294

作者：

Papazoglou, P

Zschiesche, D

Schramm, S

Schaffner-Bielich, J

Stöcker, H

Greiner, W

机构：

[1] Goethe Univ Frankfurt, Inst Theoret Phys, D-60054 Frankfurt, Germany

[2] GSI Darmstadt, D-64220 Darmstadt, Germany

[3] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW C | 1999年 / 59卷 / 01期

关键词：

D O I：

10.1103/PhysRevC.59.411

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

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. [S0556-2813(98)07712-7].

引用

页码：411 / 427

页数：17

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