Georgi–Glashow model

E557536

The Georgi–Glashow model is a grand unified theory in particle physics that unifies the strong, weak, and electromagnetic interactions within an SU(5) gauge symmetry framework.

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Georgi–Glashow model canonical 1

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Statements (47)

Predicate Object
instanceOf gauge theory
grand unified theory
aimsToExplain charge quantization
unification of gauge couplings
assumes minimal SU(5) unification
renormalizable interactions at GUT scale
basedOnSymmetry non‑Abelian gauge symmetry
breaksToGaugeGroup SU(3)×SU(2)×U(1)
Standard Model gauge group
linked to: Standard Model
category theoretical physics model
constrains fermion mass matrices
containsSubgroup SU(2)
SU(3)
U(1)
describes embedding of Standard Model fermions in SU(5) multiplets
energyScale GUT scale
field particle physics
framework quantum field theory
gaugeGroup SU(5)
historicalSignificance first realistic SU(5) grand unified theory
implies baryon number violation
includes Yukawa interactions
influenced SO(10) grand unified theories
linked to: SO(10)

supersymmetric GUT models
isExtensionOf Standard Model
motivatedBy similarity of strong, weak, and electromagnetic couplings at high energy
predicts X boson
Y boson
mass relations between quarks and leptons
proton decay
proposedBy Howard Georgi
Sheldon Glashow
publicationVenue Physical Review Letters
relatedConcept gauge coupling unification
proton lifetime experiments
requires heavy gauge bosons at GUT scale
symmetry breaking Higgs multiplets in SU(5)
status experimentally disfavored in minimal form
typeOfUnification gauge unification
unifiesInteraction electromagnetic interaction
strong interaction
weak interaction
usesField Higgs field
usesMechanism spontaneous symmetry breaking
usesRepresentation 10 representation of SU(5)
5 representation of SU(5)
yearProposed 1974

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Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Howard Georgi knownFor Georgi–Glashow model