Low energy pseudoscalar-pseudoscalar interactions in the nonrelativistic quark model

Conference · Wed Apr 10 04:00:00 EDT 1991 · AIP Conference Proceedings (American Institute of Physics); (USA)

OSTI ID:5608989

Weinstein, J ^[1]

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1. Department of Physics, University of Tennessee, Knoxville, TN 37996, USA (US)

We give a brief introduction to the nonrelativistic quark model and then present results from a coupled-channel quark model analysis of light-quark {ital S}-wave pseudoscalar-pseudoscalar scattering and production processes. Annihilation mixing to {ital s}-channel {ital q{bar q}} scalar resonances and quark exchange interactions are found to be important. Contributions from the exchange of {ital t}-channel mesons are not required to obtain agreement with the data. Intermeson forces are important in all channels and, in particular, lead to isospin 0 and 1 {ital K{bar K}} bound states analogous to the deuteron; we identify these with the {ital S}* (975) and {delta}(980) scalar resonances.

• DOE Contract Number: AC05-84OR21400
• OSTI ID: 5608989
• Report Number(s): CONF-9009332--
• Conference Information: Journal Name: AIP Conference Proceedings (American Institute of Physics); (USA) Journal Volume: 221:1
• Country of Publication: United States
• Language: English

Related Subjects

645204* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
ARGAND DIAGRAMS
BASIC INTERACTIONS
BOSONS
BOUND STATE
COMPOSITE MODELS
COUPLED CHANNEL THEORY
DIAGRAMS
DIFFERENTIAL EQUATIONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
EQUATIONS
FIELD THEORIES
HADRON-HADRON INTERACTIONS
HADRONS
HAMILTONIANS
INTERACTIONS
MASS SPECTRA
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MESON-MESON INTERACTIONS
MESONS
PARTIAL DIFFERENTIAL EQUATIONS
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE MODELS
PHASE SHIFT
PROBABILITY
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUANTUM OPERATORS
QUARK MODEL
S CHANNEL
S WAVES
SCATTERING
SCATTERPLOTS
SCHROEDINGER EQUATION
SPECTRA
STANDARD MODEL
T CHANNEL
UNIFIED GAUGE MODELS
WAVE EQUATIONS