SU(6) [70,1{sup -}] baryon multiplet in the 1/N{sub c} expansion
Journal Article
·
· Physical Review. D, Particles Fields
- University of Mons, Service de Physique Nucleaire et Subnucleaire, Place du Parc 20, B-7000 Mons (Belgium)
The masses of excited states of mixed orbital symmetry of nonstrange and strange baryons belonging to the lowest [70,1{sup -}] multiplet are calculated in the 1/N{sub c} expansion to order 1/N{sub c} with a new method which allows one to considerably reduce the number of linearly independent operators entering the mass formula. This study represents an extension to SU(6) of our work on nonstrange baryons, the framework of which was SU(4). The conclusion regarding the role of the flavor operator, neglected in previous SU(6) studies, is reinforced. Namely, both the flavor and spin operators contribute dominantly to the flavor-spin breaking.
- OSTI ID:
- 21537465
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 83, Issue 5; Other Information: DOI: 10.1103/PhysRevD.83.056007; (c) 2011 American Institute of Physics; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
EXCITED STATES
EXPANSION
FLAVOR MODEL
HYPERONS
MASS
MASS FORMULAE
MULTIPLETS
SPIN
SU-6 GROUPS
SYMMETRY
ANGULAR MOMENTUM
COMPOSITE MODELS
ELEMENTARY PARTICLES
ENERGY LEVELS
FERMIONS
HADRONS
LIE GROUPS
MATHEMATICAL MODELS
PARTICLE MODELS
PARTICLE PROPERTIES
QUARK MODEL
STRANGE PARTICLES
SU GROUPS
SYMMETRY GROUPS
BARYONS
EXCITED STATES
EXPANSION
FLAVOR MODEL
HYPERONS
MASS
MASS FORMULAE
MULTIPLETS
SPIN
SU-6 GROUPS
SYMMETRY
ANGULAR MOMENTUM
COMPOSITE MODELS
ELEMENTARY PARTICLES
ENERGY LEVELS
FERMIONS
HADRONS
LIE GROUPS
MATHEMATICAL MODELS
PARTICLE MODELS
PARTICLE PROPERTIES
QUARK MODEL
STRANGE PARTICLES
SU GROUPS
SYMMETRY GROUPS