Z boson
E3755
The Z boson is a neutral elementary particle that mediates the weak nuclear force and plays a central role in the electroweak theory of particle physics.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Z boson canonical | 22 |
| Standard Model Z boson | 1 |
| Z boson (in combination with U(1)_Y) | 1 |
| Z boson field Z_μ | 1 |
| Z boson resonance | 1 |
| Z^0 boson | 1 |
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
elementary particle
ⓘ
gauge boson ⓘ neutral weak boson ⓘ vector boson ⓘ |
| associatedWithScientist |
Carlo Rubbia
ⓘ
Simon van der Meer ⓘ |
| baryonNumber | 0 ⓘ |
| chargeConjugationEigenstate | yes ⓘ |
| colorCharge | 0 ⓘ |
| couplesTo |
all charged leptons
ⓘ
all neutrino flavors ⓘ all quark flavors ⓘ |
| cParity | -1 ⓘ |
| decayMode |
lepton-antilepton pairs
ⓘ
neutrino-antineutrino pairs ⓘ quark-antiquark pairs ⓘ |
| decayWidth | ~2.4952 GeV ⓘ |
| discoveredAt | Super Proton Synchrotron ⓘ |
| discoveredBy |
CERN
ⓘ
UA1 experiment ⓘ UA2 experiment ⓘ |
| discoveryYear | 1983 ⓘ |
| doesNotCoupleTo |
gluon
ⓘ
photon ⓘ |
| electricCharge | 0 ⓘ |
| gaugeGroup | SU(2)_L × U(1)_Y ⓘ |
| interactionMediated |
neutral current interaction
ⓘ
weak interaction ⓘ |
| isospin | 1 ⓘ |
| isOwnAntiparticle | true ⓘ |
| leptonNumber | 0 ⓘ |
| lifetime | ~3.0×10^-25 s ⓘ |
| mass | ~91.1876 GeV/c^2 ⓘ |
| massUncertainty | ~0.0021 GeV/c^2 ⓘ |
| measuredAt |
LEP
ⓘ
SLD ⓘ |
| mediates | flavor-conserving weak interactions ⓘ |
| namedAfter | zero electric charge ⓘ |
| originatesFrom | mixing of W3 and B gauge fields ⓘ |
| parity | -1 ⓘ |
| partOfModel |
Standard Model
ⓘ
surface form:
Standard Model of particle physics
|
| partOfTheory | electroweak theory ⓘ |
| productionMechanism |
electron-positron annihilation
ⓘ
proton-proton collisions ⓘ |
| relatedParticle |
W boson
ⓘ
surface form:
W+ boson
W- boson ⓘ photon ⓘ |
| spin | 1 ⓘ |
| statistics | boson ⓘ |
| symbol | Z ⓘ |
| usedFor | precision tests of the Standard Model ⓘ |
| weakIsospinThirdComponent | 0 ⓘ |
Referenced by (27)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Z boson (in combination with U(1)_Y)
subject surface form:
boson
this entity surface form:
Z^0 boson
subject surface form:
Stanford Linear Collider
this entity surface form:
Z boson resonance
subject surface form:
Stanford Linear Collider
subject surface form:
W− boson
this entity surface form:
Z boson field Z_μ
this entity surface form:
Standard Model Z boson