electron antineutrino
E860351
The electron antineutrino is the antimatter counterpart of the electron neutrino, a nearly massless, electrically neutral lepton that interacts only via the weak nuclear force and gravity.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Antineutrino | 1 |
| electron antineutrino canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10376188 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: electron antineutrino Context triple: [electron neutrino, hasAntiparticle, electron antineutrino]
-
A.
electron neutrino
The electron neutrino is a nearly massless, electrically neutral elementary particle associated with the electron, produced in weak nuclear processes such as beta decay and nuclear fusion in stars.
-
B.
tau neutrino
The tau neutrino is a fundamental, electrically neutral lepton associated with the tau particle, interacting only via the weak force and gravity and playing a key role in neutrino oscillations.
-
C.
Neutrino
A neutrino is an extremely light, electrically neutral elementary particle that interacts only via the weak nuclear force and gravity, making it very difficult to detect.
-
D.
muon neutrino
The muon neutrino is a fundamental, electrically neutral lepton in the Standard Model associated with the muon, interacting only via the weak force and gravity.
-
E.
neutrino oscillation
Neutrino oscillation is a quantum phenomenon in which neutrinos change from one flavor type to another as they travel, implying that they have mass and mix between flavor states.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: electron antineutrino Target entity description: The electron antineutrino is the antimatter counterpart of the electron neutrino, a nearly massless, electrically neutral lepton that interacts only via the weak nuclear force and gravity.
-
A.
electron neutrino
The electron neutrino is a nearly massless, electrically neutral elementary particle associated with the electron, produced in weak nuclear processes such as beta decay and nuclear fusion in stars.
-
B.
tau neutrino
The tau neutrino is a fundamental, electrically neutral lepton associated with the tau particle, interacting only via the weak force and gravity and playing a key role in neutrino oscillations.
-
C.
Neutrino
A neutrino is an extremely light, electrically neutral elementary particle that interacts only via the weak nuclear force and gravity, making it very difficult to detect.
-
D.
muon neutrino
The muon neutrino is a fundamental, electrically neutral lepton in the Standard Model associated with the muon, interacting only via the weak force and gravity.
-
E.
neutrino oscillation
Neutrino oscillation is a quantum phenomenon in which neutrinos change from one flavor type to another as they travel, implying that they have mass and mix between flavor states.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
antineutrino
ⓘ
lepton ⓘ |
| canOscillateInto |
muon antineutrino
ⓘ
tau antineutrino ⓘ |
| doesNotInteractVia |
electromagnetic interaction
ⓘ
strong interaction ⓘ |
| hasBaryonNumber | 0 ⓘ |
| hasColorCharge | none ⓘ |
| hasCPTPartner | electron neutrino ⓘ |
| hasElectricCharge | 0 ⓘ |
| hasGeneration | first generation ⓘ |
| hasInteractionCrossSection | extremely small ⓘ |
| hasLeptonFamilyNumber | electron lepton number -1 ⓘ |
| hasLeptonNumber | -1 ⓘ |
| hasRestMass | nonzero but very small ⓘ |
| hasRestMassUpperBound | less than a few eV/c² (from experiments) ⓘ |
| hasSpin | 1/2 ⓘ |
| hasSymbol | ν̄ₑ ⓘ |
| interactsVia |
gravity
ⓘ
weak interaction ⓘ |
| isAntiparticleOf | electron neutrino ⓘ |
| isChirality | right-handed (for Standard Model antineutrinos) ⓘ |
| isDescribedBy |
Standard Model of particle physics
ⓘ
linked to:
Standard Model
|
| isDetectedBy |
inverse beta decay
ⓘ
liquid scintillator detectors ⓘ water Cherenkov detectors ⓘ |
| isEmittedIn |
beta minus decay of many radioactive nuclei
ⓘ
beta minus decay of neutron ⓘ |
| isFlavorEigenstateOf | neutrino ⓘ |
| isNearlyMassless | true ⓘ |
| isNeutral | true ⓘ |
| isPartOf | lepton sector ⓘ |
| isProducedIn |
core-collapse supernovae
ⓘ
cosmic ray interactions ⓘ nuclear beta decay chains ⓘ nuclear fission ⓘ nuclear reactors ⓘ other stars ⓘ the Sun ⓘ |
| obeys | Fermi–Dirac statistics ⓘ |
| participatesIn | beta minus decay ⓘ |
| passesThroughMatter | with very low probability of interaction ⓘ |
| undergoes | neutrino oscillation ⓘ |
| wasFirstDirectlyDetectedBy |
Clyde Cowan
ⓘ
Frederick Reines ⓘ |
| wasFirstDirectlyDetectedIn | 1956 ⓘ |
| wasKeyTo |
Reines–Cowan neutrino experiment
ⓘ
linked to:
Cowan–Reines neutrino experiment
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: electron antineutrino Description of subject: The electron antineutrino is the antimatter counterpart of the electron neutrino, a nearly massless, electrically neutral lepton that interacts only via the weak nuclear force and gravity.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: electron antineutrino