Potential models of relativistic quark-antiquark bound states
Thesis/Dissertation
·
OSTI ID:5879971
The author presents and tests two new methods for the numerical solution of a Salpeter equation describing the relativistic bound states of a quark and antiquark. His methods work directly in position space, and hence have the desirable features that he can vary the potential V(r) locally in fitting the quark-antiquark mass spectrum, and can easily build in the expected Coulombic and linear behavior of V(r) for r ..-->.. 0, infinity respectively. One of the methods is applied in spin-averaged relativistic potential-model fits of the observed meson spectrum, with good results. The author presents a method of treating the running Coulomb coupling ..cap alpha../sub s/(r), in conjunction with these fits. The dominant spin-independent terms which generate nonlocal interactions are included in the fits and the necessary formalism is derived to carry out the full spin-dependent analysis.
- Research Organization:
- Wisconsin Univ., Madison (USA)
- OSTI ID:
- 5879971
- 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
ANGULAR MOMENTUM
BETHE-SALPETER EQUATION
BOSONS
COULOMB FIELD
COUPLING CONSTANTS
ELECTRIC FIELDS
ELEMENTARY PARTICLES
EQUATIONS
HADRONS
MASS SPECTRA
MESONS
NUMERICAL SOLUTION
PARTICLE PROPERTIES
POTENTIALS
QUARKONIUM
SPECTRA
SPIN
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR MOMENTUM
BETHE-SALPETER EQUATION
BOSONS
COULOMB FIELD
COUPLING CONSTANTS
ELECTRIC FIELDS
ELEMENTARY PARTICLES
EQUATIONS
HADRONS
MASS SPECTRA
MESONS
NUMERICAL SOLUTION
PARTICLE PROPERTIES
POTENTIALS
QUARKONIUM
SPECTRA
SPIN