ELENA ring
E41837
The ELENA ring is a low-energy storage and deceleration ring at CERN designed to further slow antiprotons from the Antiproton Decelerator for precision antimatter experiments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ELENA ring canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T327822 — 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: ELENA ring Context triple: [Antiproton Decelerator, hasUpgrade, ELENA ring]
-
A.
Coronation Ring
The Coronation Ring is a ceremonial piece of royal regalia symbolizing the monarch’s commitment to the Church and the people, traditionally placed on the sovereign’s hand during the coronation service.
-
B.
Zella
Zella is an activewear and athleisure clothing brand known for its performance-focused yet stylish designs, sold at Nordstrom.
-
C.
Blue Nile
The Blue Nile is a major river in northeastern Africa that flows from Ethiopia into Sudan, forming a principal tributary of the Nile and playing a crucial role in the region’s agriculture and hydroelectric power.
-
D.
Melania Timepieces & Jewelry
Melania Timepieces & Jewelry is a fashion line of watches and jewelry designed and branded by former U.S. First Lady Melania Trump.
-
E.
Pauletta
Pauletta is a feminine given name, typically considered a diminutive or variant of Paula or Pauline.
- 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: ELENA ring Target entity description: The ELENA ring is a low-energy storage and deceleration ring at CERN designed to further slow antiprotons from the Antiproton Decelerator for precision antimatter experiments.
-
A.
Coronation Ring
The Coronation Ring is a ceremonial piece of royal regalia symbolizing the monarch’s commitment to the Church and the people, traditionally placed on the sovereign’s hand during the coronation service.
-
B.
Zella
Zella is an activewear and athleisure clothing brand known for its performance-focused yet stylish designs, sold at Nordstrom.
-
C.
Blue Nile
The Blue Nile is a major river in northeastern Africa that flows from Ethiopia into Sudan, forming a principal tributary of the Nile and playing a crucial role in the region’s agriculture and hydroelectric power.
-
D.
Melania Timepieces & Jewelry
Melania Timepieces & Jewelry is a fashion line of watches and jewelry designed and branded by former U.S. First Lady Melania Trump.
-
E.
Pauletta
Pauletta is a feminine given name, typically considered a diminutive or variant of Paula or Pauline.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
decelerator ring
ⓘ
particle accelerator ⓘ scientific facility ⓘ storage ring ⓘ |
| acronymFor | Extra Low ENergy Antiproton ring ⓘ |
| allows | simultaneous supply of antiprotons to multiple experiments ⓘ |
| beamEnergyInput | ~5.3 MeV ⓘ |
| beamEnergyOutput | ~100 keV ⓘ |
| circumference | about 30 m ⓘ |
| connectedTo |
AEgIS experiment
ⓘ
ALPHA experiment ⓘ ATRAP experiment ⓘ BASE experiment ⓘ GBAR experiment ⓘ |
| constructionStart | 2011 ⓘ |
| country | Switzerland ⓘ |
| designedFor |
antihydrogen production experiments
ⓘ
antiprotonic atom experiments ⓘ precision antimatter experiments ⓘ tests of fundamental symmetries ⓘ |
| feedsFrom | Antiproton Decelerator ⓘ |
| field |
antimatter research
ⓘ
particle physics ⓘ |
| firstBeamCirculation | 2016 ⓘ |
| hasComponent |
electron cooler
ⓘ
extraction lines ⓘ injection line from Antiproton Decelerator ⓘ magnetic lattice ⓘ radio-frequency system ⓘ |
| improves |
antiproton trapping efficiency
ⓘ
beam quality for low-energy experiments ⓘ |
| locatedIn |
CERN
ⓘ
Geneva ⓘ Switzerland ⓘ |
| namedAfter | Extra Low ENergy Antiproton ring ⓘ |
| operator | CERN ⓘ |
| particleType | antiproton ⓘ |
| partOf | CERN accelerator complex ⓘ |
| purpose |
deceleration of antiprotons
ⓘ
low-energy antiproton storage ⓘ supply of antiprotons for antimatter experiments ⓘ |
| shape | hexagonal ring ⓘ |
| startOfOperationForExperiments | around 2017 ⓘ |
| status | operational ⓘ |
| technology |
electromagnets
ⓘ
ultra-high vacuum system ⓘ |
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: ELENA ring Description of subject: The ELENA ring is a low-energy storage and deceleration ring at CERN designed to further slow antiprotons from the Antiproton Decelerator for precision antimatter experiments.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.