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)

How this entity was disambiguated

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 of particle physics
linked to: Standard Model
partOfTheory electroweak theory
productionMechanism electron-positron annihilation
proton-proton collisions
relatedParticle W+ boson
linked to: W boson

W- boson
photon
spin 1
statistics boson
symbol Z
usedFor precision tests of the Standard Model
weakIsospinThirdComponent 0

How these facts were elicited

Referenced by (27)

Full triples — surface form annotated when it differs from this entity's canonical label.

CERN discovered Z boson
W boson couplesTo Z boson
W boson isPartnerOf Z boson
Higgs boson givesMassTo Z boson
Standard Model predicts Z boson
SLD studiedParticle Z boson
UA1 experiment researchArea Z boson
SU(2)_L gaugeBosonsAfterSymmetryBreaking Z boson (in combination with U(1)_Y)
linked to: Z boson
Higgs field givesMassTo Z boson
Higgs mechanism givesMassTo Z boson
boson includesExample Z boson
Salam–Weinberg model hasGaugeBoson Z^0 boson
linked to: Z boson
Stanford Linear Collider primaryPhysicsTarget Z boson resonance
subject linked to: Stanford Linear Collider (SLC)
linked to: Z boson
Stanford Linear Collider studiedParticle Z boson
subject linked to: Stanford Linear Collider (SLC)
W− boson isRelatedTo Z boson
subject linked to: W^-
Weinberg angle defines Z boson field Z_μ
linked to: Z boson
Z′ bosons mayMixWith Standard Model Z boson
linked to: Z boson
CDF studied Z boson
studied Z boson
CDF Collaboration studies Z boson
Boson includes Z boson