Quark bags and the NN interaction
Journal Article
·
· Phys. Rev. D; (United States)
The NN phase shifts can be nicely parametrized with a P matrix with matching radius broughly-equal6.0 GeV/sup -1/roughly-equal1.2 fm. For the interaction outside this radius a one-pion-exchange potential is used. For the (I,J/sup P/) = (0,1/sup +/) six-quark system a detailed analysis of the P-matrix pole is made. The pole position and the bag-model prediction are in reasonably good agreement. The residue to the NN channel, however, is a factor of 5 larger than the bag prediction. A possible explanation is that in a six-quark bag there are strong color-singlet correlations. This is demonstrated in a simple model.
- Research Organization:
- Center for Theoretical Physics, Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
- DOE Contract Number:
- AC02-76ER03069
- OSTI ID:
- 5735622
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 28:3; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645207* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. Greater than 1-- (-1987)
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BAG MODEL
BARYON-BARYON INTERACTIONS
BOSON-EXCHANGE MODELS
COLOR MODEL
COMPOSITE MODELS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FIELD THEORIES
HADRON-HADRON INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
NUCLEON-NUCLEON INTERACTIONS
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PERIPHERAL MODELS
PHASE SHIFT
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKS
Baryon No. Greater than 1-- (-1987)
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BAG MODEL
BARYON-BARYON INTERACTIONS
BOSON-EXCHANGE MODELS
COLOR MODEL
COMPOSITE MODELS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FIELD THEORIES
HADRON-HADRON INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
NUCLEON-NUCLEON INTERACTIONS
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PERIPHERAL MODELS
PHASE SHIFT
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKS