Υ(4S) resonance
E565043
The Υ(4S) resonance is an excited bottomonium state that lies just above the threshold for B-meson pair production and is widely used at B-factories to study B-meson decays and CP violation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Υ(4S) resonance canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6033864 — 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: Υ(4S) resonance Context triple: [BaBar detector, operatedAtResonance, Υ(4S) resonance]
-
A.
Higgs boson
The Higgs boson is an elementary particle in the Standard Model whose associated field gives mass to other fundamental particles, confirming a key mechanism of particle physics.
-
B.
Z boson
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.
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C.
Z′ bosons
Z′ bosons are hypothetical heavy neutral gauge bosons predicted by various extensions of the Standard Model, often associated with additional U(1) symmetries and searched for as resonances in high-energy collider experiments.
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D.
Gell-Mann–Okubo mass formula
The Gell-Mann–Okubo mass formula is a relation in particle physics that predicts the mass patterns of hadrons within SU(3) flavor symmetry multiplets, providing quantitative support for the quark model and the Eightfold Way classification.
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E.
W boson
The W boson is a massive elementary particle that mediates the weak nuclear force and is responsible for processes like beta decay in the Standard Model of particle physics.
- 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: Υ(4S) resonance Target entity description: The Υ(4S) resonance is an excited bottomonium state that lies just above the threshold for B-meson pair production and is widely used at B-factories to study B-meson decays and CP violation.
-
A.
Higgs boson
The Higgs boson is an elementary particle in the Standard Model whose associated field gives mass to other fundamental particles, confirming a key mechanism of particle physics.
-
B.
Z boson
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.
-
C.
Z′ bosons
Z′ bosons are hypothetical heavy neutral gauge bosons predicted by various extensions of the Standard Model, often associated with additional U(1) symmetries and searched for as resonances in high-energy collider experiments.
-
D.
Gell-Mann–Okubo mass formula
The Gell-Mann–Okubo mass formula is a relation in particle physics that predicts the mass patterns of hadrons within SU(3) flavor symmetry multiplets, providing quantitative support for the quark model and the Eightfold Way classification.
-
E.
W boson
The W boson is a massive elementary particle that mediates the weak nuclear force and is responsible for processes like beta decay in the Standard Model of particle physics.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
bottomonium state
ⓘ
quarkonium state ⓘ resonance ⓘ vector meson ⓘ |
| belongsToFamily | Υ resonances ⓘ |
| dominantDecayMode |
B-meson pair
ⓘ
B^+ B^- NERFINISHED ⓘ B^0 B̄^0 ⓘ |
| hasBaryonNumber | 0 ⓘ |
| hasBottomness | 0 ⓘ |
| hasChargeConjugationParity | -1 ⓘ |
| hasCharmness | 0 ⓘ |
| hasDecayProduct |
B meson
NERFINISHED
ⓘ
B̄ meson NERFINISHED ⓘ |
| hasElectricCharge | 0 ⓘ |
| hasFlavorContent | bottom–antibottom quark pair ⓘ |
| hasIsospin | 0 ⓘ |
| hasJPCC | 1^{--} ⓘ |
| hasLifetime | about 3×10^{-23} s ⓘ |
| hasMass |
about 10.58 GeV/c^2
ⓘ
approximately 10579 MeV/c^2 ⓘ |
| hasOrbitalAngularMomentumL | 0 ⓘ |
| hasParity | -1 ⓘ |
| hasPrincipalQuantumNumber | 4 ⓘ |
| hasProductionMechanism | e^+ e^- → Υ(4S) ⓘ |
| hasQuantumNumbers | I^G(J^{PC}) = 0^-(1^{--}) ⓘ |
| hasQuarkContent | b b̄ ⓘ |
| hasSpectroscopicNotation | 4S ⓘ |
| hasSpin | 1 ⓘ |
| hasStrangeness | 0 ⓘ |
| hasSymbol | Υ(4S) ⓘ |
| hasTotalAngularMomentumJ | 1 ⓘ |
| hasWidth | about 20 MeV ⓘ |
| isElectricallyCharged | no ⓘ |
| isEnergyLevelOf | bottomonium NERFINISHED ⓘ |
| isHeavierThan | Υ(3S) ⓘ |
| isLighterThan | Υ(5S) ⓘ |
| isProducedIn | electron–positron annihilation ⓘ |
| isRadialExcitationOf | Υ(1S) ⓘ |
| isResonanceIn | e^+ e^- → hadrons cross section near 10.58 GeV ⓘ |
| isRunEnergyOf |
KEKB collider
NERFINISHED
ⓘ
PEP-II collider NERFINISHED ⓘ |
| isStudiedByExperiment |
BaBar
NERFINISHED
ⓘ
Belle NERFINISHED ⓘ |
| isUsedAt | B-factories NERFINISHED ⓘ |
| isUsedToStudy |
B-meson decays
ⓘ
CP violation in the B system ⓘ |
| liesAboveThresholdFor |
B^+ B^- production
ⓘ
B^0 B̄^0 production ⓘ |
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: Υ(4S) resonance Description of subject: The Υ(4S) resonance is an excited bottomonium state that lies just above the threshold for B-meson pair production and is widely used at B-factories to study B-meson decays and CP violation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.