Salam–Weinberg model
E94919
component of the Standard Model of particle physics
electroweak theory
gauge theory
quantum field theory
The Salam–Weinberg model is the electroweak theory that unifies the electromagnetic and weak nuclear forces within the Standard Model of particle physics.
Aliases (8)
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
component of the Standard Model of particle physics
→
electroweak theory → gauge theory → quantum field theory → |
| alsoKnownAs |
Glashow–Weinberg–Salam model
→
electroweak Standard Model → |
| assumes |
local gauge symmetry
→
|
| basedOn |
SU(2)_L × U(1)_Y gauge symmetry
→
|
| characterizedBy |
electroweak coupling constants
→
weak mixing angle → |
| containsField |
Higgs field
→
left-handed fermion doublets → right-handed fermion singlets → |
| couples |
fermions to gauge bosons
→
|
| describes |
charged current weak interactions
→
electromagnetic interactions → neutral current weak interactions → |
| developedBy |
Abdus Salam
NERFINISHED
→
Sheldon Glashow → Steven Weinberg NERFINISHED → |
| developmentPeriod |
1960s
→
|
| energyScale |
electroweak scale
→
|
| explains |
parity violation in weak interactions
→
relation between electric charge and weak isospin and hypercharge → |
| frameworkFor |
precision electroweak tests
→
|
| hasGaugeBoson |
W^+ boson
NERFINISHED
→
W^- boson NERFINISHED → Z^0 boson NERFINISHED → photon → |
| hasGaugeGroup |
SU(2)_L
→
U(1)_Y → |
| implies |
massive W and Z bosons
→
massless photon → |
| introduces |
electroweak unification
→
|
| NobelPrizeAssociated |
1979 Nobel Prize in Physics
→
|
| partOf |
Standard Model of particle physics
→
|
| predicts |
W boson
→
Z boson NERFINISHED → existence of the Higgs boson → neutral weak current → |
| satisfies |
gauge invariance
→
|
| testedBy |
LEP experiments
→
LHC experiments → SLD experiment → Tevatron experiments → |
| unifies |
electromagnetic interaction
→
weak nuclear interaction → |
| uses |
Higgs mechanism
→
renormalizable Lagrangian → spontaneous symmetry breaking → |
| validAt |
energies below the electroweak scale
→
|
Referenced by (15)
| Subject (surface form when different) | Predicate |
|---|---|
|
Abdus Salam
→
Abdus Salam ("Glashow–Weinberg–Salam theory") → Steven Weinberg ("Weinberg–Salam model") → |
knownFor |
|
Salam–Weinberg model
("Glashow–Weinberg–Salam model")
→
Salam–Weinberg model ("electroweak Standard Model") → |
alsoKnownAs |
|
Fermi theory of beta decay
("electroweak theory")
→
Fermi theory of beta decay ("Standard Model weak interaction") → |
historicalPrecursorOf |
|
Z boson
("electroweak theory")
→
Z boson ("Glashow–Weinberg–Salam model") → |
predictedBy |
|
Higgs mechanism
("Standard Model electroweak sector")
→
|
centralTo |
|
Sheldon Glashow
("electroweak theory")
→
|
fieldOfWork |
|
Higgs field
("electroweak theory")
→
|
isDescribedIn |
|
Steven Weinberg
("A Model of Leptons")
→
|
notableWork |
|
Higgs mechanism
("electroweak theory")
→
|
partOf |
|
Fermi constant
("electroweak theory")
→
|
usedIn |