Sakata model
E601091
The Sakata model is an early composite model of hadrons that proposed protons, neutrons, and lambda particles as fundamental building blocks, anticipating key ideas later formalized in the quark model.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sakata model canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6618181 — 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: Sakata model Context triple: [Shoichi Sakata, knownFor, Sakata model]
-
A.
Modigliani–Brumberg model
The Modigliani–Brumberg model is an economic life-cycle theory explaining how individuals plan consumption and saving over their lifetimes to smooth living standards despite changing income.
-
B.
Esaki–Tsu relation
The Esaki–Tsu relation is a fundamental formula in semiconductor physics that describes the nonlinear current–voltage characteristics and negative differential conductivity of electrons in superlattices under high electric fields.
-
C.
Lucas tree model
The Lucas tree model is a foundational asset-pricing framework in macroeconomics that models a representative agent’s consumption and investment decisions using a single, infinitely lived “tree” that yields a stochastic stream of dividends.
-
D.
Maxwell Model L
The Maxwell Model L was an early 20th-century passenger car produced by the Maxwell Motor Company, known as one of the brand’s representative pre-World War I models.
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E.
Sakaar
Sakaar is a chaotic, trash-covered planet ruled by the Grandmaster in the Marvel Cinematic Universe, known for its gladiatorial contests and bizarre cosmic detritus.
- 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: Sakata model Target entity description: The Sakata model is an early composite model of hadrons that proposed protons, neutrons, and lambda particles as fundamental building blocks, anticipating key ideas later formalized in the quark model.
-
A.
Modigliani–Brumberg model
The Modigliani–Brumberg model is an economic life-cycle theory explaining how individuals plan consumption and saving over their lifetimes to smooth living standards despite changing income.
-
B.
Esaki–Tsu relation
The Esaki–Tsu relation is a fundamental formula in semiconductor physics that describes the nonlinear current–voltage characteristics and negative differential conductivity of electrons in superlattices under high electric fields.
-
C.
Lucas tree model
The Lucas tree model is a foundational asset-pricing framework in macroeconomics that models a representative agent’s consumption and investment decisions using a single, infinitely lived “tree” that yields a stochastic stream of dividends.
-
D.
Maxwell Model L
The Maxwell Model L was an early 20th-century passenger car produced by the Maxwell Motor Company, known as one of the brand’s representative pre-World War I models.
-
E.
Sakaar
Sakaar is a chaotic, trash-covered planet ruled by the Grandmaster in the Marvel Cinematic Universe, known for its gladiatorial contests and bizarre cosmic detritus.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
composite model of hadrons
ⓘ
particle physics model ⓘ |
| anticipatedConcept |
hadron classification by internal quantum numbers
ⓘ
quark compositeness of hadrons ⓘ |
| classificationSchemeFor |
baryons
ⓘ
mesons ⓘ |
| coreAssumption | proton, neutron, and Lambda are elementary ⓘ |
| countryOfOrigin | Japan ⓘ |
| describes | hadrons ⓘ |
| era | pre-quark era ⓘ |
| field | particle physics ⓘ |
| fundamentalConstituentsCalled | baryons ⓘ |
| hasLimitation |
cannot accommodate all observed hadron resonances
ⓘ
treats composite baryons as elementary ⓘ |
| hasTheoreticalFramework | composite model of mesons and baryons ⓘ |
| historicalPrecursorOf |
eightfold way
NERFINISHED
ⓘ
quark model of Gell-Mann and Zweig ⓘ |
| historicalSignificance | early step toward quark-based understanding of hadrons ⓘ |
| inception | 1956 ⓘ |
| influenced | Japanese school of particle physics ⓘ |
| influencedDevelopmentOf | flavor symmetry ideas in particle physics ⓘ |
| inspired | quark model NERFINISHED ⓘ |
| inspiredBy | Yukawa meson theory NERFINISHED ⓘ |
| namedAfter | Shoichi Sakata NERFINISHED ⓘ |
| postulatesFundamentalConstituent |
Lambda baryon
NERFINISHED
ⓘ
neutron ⓘ proton ⓘ |
| predicts | relations among hadron quantum numbers ⓘ |
| proposedBy | Shoichi Sakata NERFINISHED ⓘ |
| reasonForSupersession |
deep inelastic scattering evidence for point-like partons
ⓘ
discovery of quarks ⓘ |
| relatedToConcept | flavor SU(3) symmetry ⓘ |
| status | superseded ⓘ |
| treatsBaryonsAs | combinations of fundamental baryons ⓘ |
| treatsMesonsAs | bound states of fundamental baryons and antibaryons ⓘ |
| usedToExplain |
hadron quantum numbers
ⓘ
patterns in hadron masses ⓘ |
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: Sakata model Description of subject: The Sakata model is an early composite model of hadrons that proposed protons, neutrons, and lambda particles as fundamental building blocks, anticipating key ideas later formalized in the quark model.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.