W and Z bosons
E888029
W and Z bosons are the massive gauge bosons that mediate the weak nuclear force in the Standard Model of particle physics.
Observed surface forms (2)
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
elementary particle
ⓘ
gauge boson ⓘ gauge bosons ⓘ set of elementary particles ⓘ weak interaction carrier ⓘ weak interaction carrier ⓘ |
| are |
carriers of weak charge
ⓘ
vector bosons ⓘ |
| areElementary | true ⓘ |
| areForceCarriersFor | weak interaction ⓘ |
| areShortLived | true ⓘ |
| couplesTo |
all Standard Model fermions except gluons and photons
ⓘ
leptons ⓘ quarks ⓘ |
| coupleTo |
Higgs field
NERFINISHED
ⓘ
left-handed fermions ⓘ |
| decaysTo |
lepton and neutrino
ⓘ
lepton–antilepton pair ⓘ quark–antiquark pair ⓘ quark–antiquark pair ⓘ |
| decayVia | weak interaction ⓘ |
| discoveredAt |
CERN
NERFINISHED
ⓘ
Super Proton Synchrotron at CERN NERFINISHED ⓘ Super Proton Synchrotron at CERN NERFINISHED ⓘ |
| discoveryYear |
1983
ⓘ
1983 ⓘ 1983 ⓘ |
| hasElectricCharge |
+1 e
ⓘ
-1 e ⓘ 0 ⓘ |
| hasMass |
about 80.4 GeV/c^2
ⓘ
about 91.2 GeV/c^2 ⓘ |
| hasSpin |
1
ⓘ
1 ⓘ |
| haveElectricChargePattern | W bosons charged, Z boson neutral ⓘ |
| haveProperty | massive ⓘ |
| haveSpin | 1 ⓘ |
| lifetime |
about 3×10^-25 s
ⓘ
about 3×10^-25 s ⓘ |
| massGeneratedBy | Higgs mechanism NERFINISHED ⓘ |
| massMeasuredPreciselyAt | LEP collider at CERN NERFINISHED ⓘ |
| mediate | weak nuclear force ⓘ |
| mediates |
charged-current weak interaction
ⓘ
neutral-current weak interaction ⓘ |
| obey | Bose–Einstein statistics ⓘ |
| participatesIn | electroweak symmetry breaking phenomena ⓘ |
| partOf | Standard Model of particle physics NERFINISHED ⓘ |
| predictedBy | electroweak theory NERFINISHED ⓘ |
| producedIn | high-energy particle collisions ⓘ |
| relatedBy | electroweak unification ⓘ |
| symbol |
W
NERFINISHED
ⓘ
Z NERFINISHED ⓘ |
| transformUnder | SU(2)_L gauge symmetry ⓘ |
| wereConfirmedBy |
UA1 experiment
NERFINISHED
ⓘ
UA2 experiment NERFINISHED ⓘ |
| width | about 2.5 GeV ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.