Antiproton Accumulator
E679242
The Antiproton Accumulator was a storage and cooling ring at CERN designed to collect, cool, and accumulate antiprotons for high-energy proton–antiproton collision experiments.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Antiproton Accumulator canonical | 1 |
| CERN Antiproton Accumulator | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7668407 — 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: Antiproton Accumulator Context triple: [proton–antiproton collider at CERN, antiprotonsProducedIn, Antiproton Accumulator]
-
A.
Antiproton Decelerator
The Antiproton Decelerator is a specialized CERN facility that slows down antiprotons to low energies for precision experiments in antimatter physics.
-
B.
Proton Synchrotron Booster
The Proton Synchrotron Booster is a circular particle accelerator at CERN that increases the energy of protons from the linear accelerator before injecting them into larger synchrotrons in the accelerator complex.
-
C.
SPEAR storage ring
The SPEAR storage ring is an electron storage ring at SLAC National Accelerator Laboratory that historically served as both a particle physics collider and a synchrotron radiation source, forming the basis for later upgrades like SPEAR3.
-
D.
Proton Synchrotron
The Proton Synchrotron is a historic circular particle accelerator at CERN that has played a key role in high-energy physics research and in feeding beams to larger colliders.
-
E.
Fermilab Linac
Fermilab Linac is a linear accelerator at Fermilab that provides high-energy proton beams for subsequent acceleration stages in the laboratory’s particle physics experiments.
- 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: Antiproton Accumulator Target entity description: The Antiproton Accumulator was a storage and cooling ring at CERN designed to collect, cool, and accumulate antiprotons for high-energy proton–antiproton collision experiments.
-
A.
Antiproton Decelerator
The Antiproton Decelerator is a specialized CERN facility that slows down antiprotons to low energies for precision experiments in antimatter physics.
-
B.
Proton Synchrotron Booster
The Proton Synchrotron Booster is a circular particle accelerator at CERN that increases the energy of protons from the linear accelerator before injecting them into larger synchrotrons in the accelerator complex.
-
C.
SPEAR storage ring
The SPEAR storage ring is an electron storage ring at SLAC National Accelerator Laboratory that historically served as both a particle physics collider and a synchrotron radiation source, forming the basis for later upgrades like SPEAR3.
-
D.
Proton Synchrotron
The Proton Synchrotron is a historic circular particle accelerator at CERN that has played a key role in high-energy physics research and in feeding beams to larger colliders.
-
E.
Fermilab Linac
Fermilab Linac is a linear accelerator at Fermilab that provides high-energy proton beams for subsequent acceleration stages in the laboratory’s particle physics experiments.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
antiproton storage ring
ⓘ
particle accelerator storage ring ⓘ scientific research facility ⓘ |
| beamType | antiproton beam ⓘ |
| beganOperation | early 1980s ⓘ |
| circumference | approximately 157 m ⓘ |
| commissioned | 1980 ⓘ |
| connectedTo |
Antiproton Collector
NERFINISHED
ⓘ
Super Proton Synchrotron NERFINISHED ⓘ |
| contributedTo |
discovery of the W boson
ⓘ
discovery of the Z boson ⓘ |
| coolingMethod | stochastic cooling ⓘ |
| country | Switzerland ⓘ |
| designedBy | CERN accelerator division NERFINISHED ⓘ |
| energyRange | several GeV ⓘ |
| field |
accelerator physics
ⓘ
particle physics ⓘ |
| heritage | key component of CERN proton–antiproton program ⓘ |
| integratedInto | Antiproton Decelerator complex after 2000s ⓘ |
| locatedAt | CERN Prévessin site NERFINISHED ⓘ |
| locatedIn |
canton of Geneva
ⓘ
surface form:
Canton of Geneva
Meyrin NERFINISHED ⓘ Switzerland ⓘ |
| operatedBy | CERN NERFINISHED ⓘ |
| partOf |
Antiproton Project
NERFINISHED
ⓘ
CERN NERFINISHED ⓘ CERN Proton–Antiproton Collider complex NERFINISHED ⓘ |
| purpose |
antiproton accumulation
ⓘ
antiproton collection ⓘ antiproton cooling ⓘ |
| replacedBy | Antiproton Decelerator NERFINISHED ⓘ |
| shape | circular ring ⓘ |
| shutDown | 2004 ⓘ |
| significance | enabled first proton–antiproton collider at CERN ⓘ |
| status | decommissioned ⓘ |
| stores |
antiproton beam
ⓘ
antiprotons ⓘ |
| supportedExperiment |
UA1 experiment
NERFINISHED
ⓘ
UA2 experiment NERFINISHED ⓘ |
| usedFor |
collider physics
ⓘ
high-energy physics experiments ⓘ proton–antiproton collision experiments ⓘ |
| usedIn | Super Proton Synchrotron NERFINISHED ⓘ |
| usesTechnology |
radio-frequency systems
ⓘ
stochastic cooling ⓘ |
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: Antiproton Accumulator Description of subject: The Antiproton Accumulator was a storage and cooling ring at CERN designed to collect, cool, and accumulate antiprotons for high-energy proton–antiproton collision experiments.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CERN Antiproton Accumulator