Nuclei, superheavy nuclei, and hypermatter in a chiral SU(3) model

  • A model based on chiral SU(3)-symmetry in nonlinear realisation is used for the investigation of nuclei, superheavy nuclei, hypernuclei and multistrange nuclear objects (so called MEMOs). The model works very well in the case of nuclei and hypernuclei with one Lambda-particle and rules out MEMOs. Basic observables which are known for nuclei and hypernuclei are reproduced satisfactorily. The model predicts Z=120 and N=172, 184 and 198 as the next shell closures in the region of superheavy nuclei. The calculations have been performed in self-consistent relativistic mean field approximation assuming spherical symmetry. The parameters were adapted to known nuclei.

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Author:Christian Beckmann, Panajotis Papazoglou, Detlef ZschiescheGND, Stefan SchrammGND, Horst StöckerORCiDGND, Walter GreinerGND
Document Type:Preprint
Date of Publication (online):2005/11/17
Year of first Publication:2001
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/11/17
Tag:Hypermaterie; Kerne; SU (3) - Symmetrie; superschwer
SU(3)-symmetry; hypermatter; nuclei; superheavy
Source:Phys.Rev.C65:024301,2002. [nucl-th/0106014]
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht