Higgs field

E29938

The Higgs field is a fundamental quantum field permeating all of space whose interactions with particles give them mass via the Higgs mechanism.


Statements (47)
Predicate Object
instanceOf bosonic field
fundamental field
quantum field
scalar field
afterSymmetryBreakingGives three Goldstone modes eaten by W and Z bosons
afterSymmetryBreakingHas one physical scalar degree of freedom
breaksSymmetry SU(2)_L × U(1)_Y gauge symmetry
couplesTo fermions via Yukawa couplings
gauge bosons
existsIn quantum field theory framework
givesMassTo W boson
Z boson
charged leptons
quarks
givesRiseTo Higgs boson
hasCharge electrically neutral vacuum expectation value
hasComponent complex SU(2) doublet
hasDegreeOfFreedom four real components before symmetry breaking
hasEffect determines masses of W and Z bosons
influences fermion mass hierarchy
hasHypercharge 1/2
hasMechanism Higgs mechanism
hasParity even
hasPotentialForm Mexican hat potential
hasProperty nonzero vacuum expectation value
hasSpin 0
hasVacuumExpectationValue approximately 246 GeV
isAssociatedWith mass generation for elementary particles
spontaneous symmetry breaking
isDescribedBy Higgs potential
isDescribedIn electroweak theory
isMathematicallyRepresentedAs complex scalar doublet field φ
isNeutralUnder strong interaction
isPredictedBy Carl Hagen
François Englert
Gerald Guralnik
Peter Higgs
Robert Brout
Tom Kibble
isRelatedTo Higgs boson discovery in 2012
isResponsibleFor electroweak symmetry breaking
isTestedBy experiments at the Large Hadron Collider
leadsTo U(1)_em gauge symmetry
partOf Standard Model of particle physics
permeates all of space
playsRoleIn stability of the electroweak vacuum
transformsUnder SU(2)_L gauge group

Referenced by (3)

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