Static spin-dependent forces between heavy quarks in the classical approximation to dual QCD

Journal Article · Sun Dec 15 04:00:00 EST 1991 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.44.3949· OSTI ID:6091745

Baker, M ^[1]; Ball, J S ^[2]; Zachariasen, F ^[3]

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1. University of Washington, Seattle, Washington 98105 (United States)
2. University of Utah, Salt Lake City, Utah 84112 (United States)
3. California Institute of Technology, Pasadena, California 91125 (United States)

We compute the static spin-dependent forces {ital V}{sub {ital S}}({ital R}) (proportional to {sigma}{sub 1}{center dot}{sigma}{sub 2}) and {ital V}{sub {ital T}}({ital R}) (proportional to 3{sigma}{sub 1}{center dot}{bold {cflx R}}{sigma}{sub 2}{center dot}{bold {cflx R}}{minus}{sigma}{sub 1}{center dot}{sigma}{sub 2}) between two quarks separated by {bold R}. This is done by treating the (weak) spin-dependent effects as a perturbation on the spin-independent potentials and fields computed earlier for dual QCD. What results is a definite prediction for the heavy-quark potentials which are similar to, but different in form from, those used in phenomenological treatments. Calculations of the masses and splittings of heavy-quark states using our potentials will provide a further test of the dual superconductor picture of QCD.

• OSTI ID: 6091745
• Journal Information: Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 44:12; ISSN PRVDA; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

661100 -- Classical & Quantum Mechanics-- (1992-)
662230* -- Quantum Chromodynamics-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR MOMENTUM
CLASSICAL MECHANICS
DIFFERENTIAL EQUATIONS
DUALITY
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTARY PARTICLES
EQUATIONS
FIELD EQUATIONS
FIELD THEORIES
INTERACTIONS
MAGNETIC MONOPOLES
MASS
MECHANICS
MONOPOLES
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PERTURBATION THEORY
PHYSICAL PROPERTIES
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK-QUARK INTERACTIONS
SPIN
SUPERCONDUCTIVITY