Large Electron–Positron Collider

E127652

CERN facility circular accelerator collider electron–positron collider particle accelerator

The Large Electron–Positron Collider was a major circular particle accelerator at CERN that collided electrons and positrons to probe the electroweak interaction and test the Standard Model of particle physics.

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All labels observed (4)

Label	Occurrences
Large Electron–Positron Collider canonical	6
LEP collider	1
LEP experimental program	1
LEP2	1

Statements (50)

Predicate	Object
instanceOf	CERN facility ⓘ circular accelerator ⓘ collider ⓘ electron–positron collider ⓘ particle accelerator ⓘ
beamType	electron ⓘ positron ⓘ
collisionType	electron–positron ⓘ
commissioned	1989 ⓘ
constructionStart	1983 ⓘ
country	France ⓘ Switzerland ⓘ
decommissioned	2000 ⓘ
energyRegime	LEP ⓘ surface form: LEP1 Large Electron–Positron Collider self-linksurface differs ⓘ surface form: LEP2
firstBeam	1989 ⓘ
hostedExperiment	ALEPH ⓘ DELPHI ⓘ L3 ⓘ OPAL ⓘ
inaugurated	13 November 1989 ⓘ
LEP1EnergyRange	around Z boson resonance ⓘ
LEP2EnergyRange	up to about 209 GeV centre-of-mass energy ⓘ
locatedAt	CERN ⓘ
locatedIn	Meyrin ⓘ
locatedNear	Geneva ⓘ
maximumCentreOfMassEnergy	about 209 GeV ⓘ
neutrinoFamiliesMeasured	3 ⓘ
notableResult	high-precision determination of number of light neutrino families ⓘ precision measurements of W boson mass ⓘ precision measurements of Z boson mass and width ⓘ
operatedBy	CERN ⓘ
operationEnd	2000 ⓘ
operationStart	1989 ⓘ
physicsProgram	precision measurements of W boson ⓘ precision measurements of Z boson ⓘ search for Higgs boson ⓘ searches for new particles beyond Standard Model ⓘ tests of electroweak theory ⓘ
predecessor	Super Proton Synchrotron ⓘ
primaryPurpose	probe electroweak interaction ⓘ test Standard Model of particle physics ⓘ
ringType	underground tunnel ⓘ
status	dismantled ⓘ
successor	Large Hadron Collider ⓘ
tunnelCircumference	26.7 kilometres ⓘ 27 kilometres ⓘ
tunnelDepth	about 100 metres underground ⓘ
tunnelReuse	used for Large Hadron Collider ⓘ
tunnelSharedWith	Large Hadron Collider ⓘ

Referenced by (9)

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

Z → wasStudiedAt → Large Electron–Positron Collider ⓘ

subject surface form: Z boson

LEP → fullName → Large Electron–Positron Collider ⓘ

ALEPH → locatedAt → Large Electron–Positron Collider ⓘ

L3 → locatedAtAccelerator → Large Electron–Positron Collider ⓘ

OPAL → locatedAt → Large Electron–Positron Collider ⓘ

OPAL → partOf → Large Electron–Positron Collider ⓘ

this entity surface form: LEP experimental program

Weinberg angle → measuredAt → Large Electron–Positron Collider ⓘ

this entity surface form: LEP collider

Large Electron–Positron Collider → energyRegime → Large Electron–Positron Collider self-linksurface differs ⓘ

this entity surface form: LEP2

proton–antiproton collider at CERN → successor → Large Electron–Positron Collider ⓘ