Georgi–Glashow SU(5) grand unified theory
E557541
The Georgi–Glashow SU(5) grand unified theory is a pioneering particle physics model that unifies the strong, weak, and electromagnetic interactions within a single SU(5) gauge symmetry framework.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Georgi–Glashow model | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gauge theory
ⓘ
particle physics model ⓘ |
| aimsToExplain | unification of strong, weak, and electromagnetic forces ⓘ |
| assignsOneStandardModelGenerationTo | 5̄⊕10 of SU(5) ⓘ |
| assumes | single unified gauge coupling at GUT scale ⓘ |
| breaksBaryonNumber | yes ⓘ |
| classifies | Standard Model fermions into SU(5) multiplets ⓘ |
| containsSubgroup |
SU(2)
NERFINISHED
ⓘ
SU(3) NERFINISHED ⓘ U(1) ⓘ |
| facesConstraintFrom | proton decay experiments ⓘ |
| hasElectricChargeQuantization | explained by SU(5) embedding ⓘ |
| hasFermionRepresentation |
10 of SU(5)
ⓘ
5̄ of SU(5) ⓘ |
| hasGaugeBoson |
X boson
ⓘ
Y boson NERFINISHED ⓘ |
| hasGaugeBosonRepresentation | 24 of SU(5) ⓘ |
| hasGaugeGroup | SU(5) NERFINISHED ⓘ |
| hasGaugeSymmetryBreakingPattern | SU(5) → SU(3)×SU(2)×U(1) ⓘ |
| hasMatterContentPerGeneration | 5̄⊕10 of SU(5) ⓘ |
| hasSymmetryBreakingScale | grand unification scale ⓘ |
| implies | quark–lepton unification ⓘ |
| involves | spontaneous symmetry breaking ⓘ |
| isBasedOn | non‑Abelian gauge symmetry ⓘ |
| isCategory | non‑supersymmetric SU(5) GUT ⓘ |
| isDisfavoredBy | non‑observation of proton decay at predicted rates ⓘ |
| isExtensionOf | Standard Model of particle physics NERFINISHED ⓘ |
| isFormulatedIn | four spacetime dimensions ⓘ |
| isMinimalGUT | true ⓘ |
| isNonSupersymmetric | true ⓘ |
| isPrototypeFor | later grand unified theories ⓘ |
| isRenormalizable | true ⓘ |
| predicts |
gauge coupling unification at high energy
ⓘ
new heavy leptoquark gauge bosons ⓘ proton decay ⓘ relations among quark and lepton masses ⓘ |
| requires |
Higgs fields in 24 representation of SU(5)
ⓘ
Higgs fields in 5 representation of SU(5) ⓘ |
| unifiesGaugeGroups | SU(3)×SU(2)×U(1) ⓘ |
| unifiesInteraction |
electromagnetic interaction
ⓘ
strong interaction ⓘ weak interaction ⓘ |
| violates | baryon number conservation ⓘ |
| wasProposedBy |
Howard Georgi
NERFINISHED
ⓘ
Sheldon Glashow NERFINISHED ⓘ |
| wasProposedInYear | 1974 ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
't Hooft–Polyakov monopoles
this entity surface form:
Georgi–Glashow model