Role of the orbit-orbit component of the Fermi-Breit interaction in a quark-model description of the baryon spectra
Journal Article
·
· Phys. Rev. Lett.; (United States)
The nonstrange and strange baryon resonances have been studied in theframework of the nonrelativistic constituent-quark model involving aSU(6)/direct product/O(3) oscillator basis spanned by six major shells. It turns outthat the inclusion of the orbit-orbit component of the Fermi-Breit interactionobviates to a large extent the necessity of the usual /ital ad/ /ital hoc/parametrization of empirical anharmonic effects.
- Research Organization:
- Institut fur Theoretische Kernphysik der Universitat Bonn, Nussallee 14-16, D-5300 Bonn, Germany(DE)
- OSTI ID:
- 6196524
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 62:25; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645204* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BASIC INTERACTIONS
BREIT-WIGNER FORMULA
COMPOSITE MODELS
COUPLING CONSTANTS
DATA
DYNAMICAL GROUPS
ELEMENTARY PARTICLES
FERMI INTERACTIONS
FERMIONS
FUNCTIONS
HADRONS
HAMILTONIAN FUNCTION
INFORMATION
INTERACTIONS
LIE GROUPS
MATHEMATICAL MODELS
NUMERICAL DATA
O GROUPS
PARAMETRIC ANALYSIS
PARTICLE MODELS
POSTULATED PARTICLES
QUARK MODEL
QUARKS
SCALING LAWS
STRONG INTERACTIONS
SU GROUPS
SU-6 GROUPS
SYMMETRY GROUPS
WEAK INTERACTIONS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BASIC INTERACTIONS
BREIT-WIGNER FORMULA
COMPOSITE MODELS
COUPLING CONSTANTS
DATA
DYNAMICAL GROUPS
ELEMENTARY PARTICLES
FERMI INTERACTIONS
FERMIONS
FUNCTIONS
HADRONS
HAMILTONIAN FUNCTION
INFORMATION
INTERACTIONS
LIE GROUPS
MATHEMATICAL MODELS
NUMERICAL DATA
O GROUPS
PARAMETRIC ANALYSIS
PARTICLE MODELS
POSTULATED PARTICLES
QUARK MODEL
QUARKS
SCALING LAWS
STRONG INTERACTIONS
SU GROUPS
SU-6 GROUPS
SYMMETRY GROUPS
WEAK INTERACTIONS