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Dynamical composite models of electroweak bosons

Journal Article · · Phys. Rev. D; (United States)
It is demonstrated explicitly in a 1/N expansion of cutoff field theory that tightly bound vector particles made of fermion pairs behave exactly like gauge bosons as the binding becomes infinitely strong. Two examples of composite models for electroweak gauge bosons are constructed by breaking global electroweak SU(2) symmetry explicitly. The low-energy effective Lagrangian of these models is identical to that of the standard theory based on spontaneously broken gauge symmetry with the physical Higgs-boson mass let to infinity. A small deviation from gauge symmetry due to compositeness is computed for three-point vertices to illustrate how the compositeness effect manifests itself.
Research Organization:
Department of Physics and Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
DOE Contract Number:
AC03-76SF00098
OSTI ID:
5510342
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 37:1; ISSN PRVDA
Country of Publication:
United States
Language:
English

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Related Subjects

645202 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
645203 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
645300* -- High Energy Physics-- Particle Invariance Principles & Symmetries
645400 -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BINDING ENERGY
COMPOSITE MODELS
CORRECTIONS
ELEMENTARY PARTICLES
ENERGY
FERMIONS
FIELD THEORIES
FUNCTIONS
HIGGS BOSONS
LAGRANGIAN FUNCTION
LIE GROUPS
MASS
MATHEMATICAL MODELS
PARTICLE MODELS
POSTULATED PARTICLES
RADIATIVE CORRECTIONS
STANDARD MODEL
SU GROUPS
SU-2 GROUPS
SYMMETRY BREAKING
SYMMETRY GROUPS
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
WEINBERG-SALAM GAUGE MODEL