neutron
E460130
A neutron is a neutral subatomic particle found in atomic nuclei, playing a key role in nuclear stability and reactions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| neutron canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4700705 — 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: neutron Context triple: [The Neutron (1932 paper), mainSubject, neutron]
-
A.
Neutor
Neutor is a historic city gate in Nuremberg, Germany, forming part of the city’s preserved medieval fortifications.
-
B.
Niwt-Imn
Niwt-Imn is the ancient Egyptian name for the city later known as Thebes, a major religious and political center along the Nile.
-
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.
Sciama
Sciama is a surname most notably associated with British physicist Dennis Sciama, a key mentor to several leading cosmologists.
-
E.
NEOB
NEOB is a U.S. federal government office building in Washington, D.C., that houses various agencies and staff of the Executive Office of the President.
- 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: neutron Target entity description: A neutron is a neutral subatomic particle found in atomic nuclei, playing a key role in nuclear stability and reactions.
-
A.
Neutor
Neutor is a historic city gate in Nuremberg, Germany, forming part of the city’s preserved medieval fortifications.
-
B.
Niwt-Imn
Niwt-Imn is the ancient Egyptian name for the city later known as Thebes, a major religious and political center along the Nile.
-
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.
Sciama
Sciama is a surname most notably associated with British physicist Dennis Sciama, a key mentor to several leading cosmologists.
-
E.
NEOB
NEOB is a U.S. federal government office building in Washington, D.C., that houses various agencies and staff of the Executive Office of the President.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
baryon
ⓘ
fermion ⓘ hadron ⓘ subatomic particle ⓘ |
| baryonNumber | 1 ⓘ |
| betaDecayProducts |
electron
ⓘ
electron antineutrino ⓘ proton ⓘ |
| chargeRadius | approximately −0.1161 fm² (mean square charge radius) ⓘ |
| classification | neutral nucleon ⓘ |
| componentOf | neutron star matter ⓘ |
| constituentQuarks |
one up quark
ⓘ
two down quarks ⓘ |
| decaysVia | beta decay ⓘ |
| discoveredBy | James Chadwick ⓘ |
| discoveryYear | 1932 ⓘ |
| electricCharge |
0 e
ⓘ
neutral ⓘ |
| family | third lightest baryon after proton and lambda ⓘ |
| foundIn | atomic nucleus ⓘ |
| hasAntiparticle | antineutron ⓘ |
| interactionType |
gravitational interaction
ⓘ
strong interaction ⓘ weak interaction ⓘ |
| isNucleon | true ⓘ |
| isStableIn | atomic nuclei ⓘ |
| isUnstableWhen | free ⓘ |
| lifetimeFree | about 880 seconds ⓘ |
| magneticMoment | negative magnetic moment ⓘ |
| magneticMomentValue | approximately −1.913 nuclear magnetons ⓘ |
| massComparedToProton | slightly heavier than proton ⓘ |
| penetrationProperty | highly penetrating in matter ⓘ |
| quarkModel | three-quark state ⓘ |
| restMass | approximately 1.67493e-27 kg ⓘ |
| restMassEnergy | approximately 939.565 MeV ⓘ |
| roleIn |
nuclear fission
ⓘ
nuclear fusion ⓘ nuclear reactions ⓘ nuclear stability ⓘ nucleosynthesis ⓘ |
| spin | 1/2 ⓘ |
| statistics | Fermi–Dirac statistics ⓘ |
| symbol | n ⓘ |
| usedIn |
neutron activation analysis
ⓘ
neutron radiography ⓘ neutron scattering experiments ⓘ nuclear reactors ⓘ |
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: neutron Description of subject: A neutron is a neutral subatomic particle found in atomic nuclei, playing a key role in nuclear stability and reactions.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.