LHC service tunnels
E561160
The LHC service tunnels are auxiliary underground passages at CERN that house infrastructure and provide access and support to the Large Hadron Collider’s main accelerator ring.
All labels observed (1)
| Label | Occurrences |
|---|---|
| LHC service tunnels canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6010383 — 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: LHC service tunnels Context triple: [P5, connectedTo, LHC service tunnels]
-
A.
CERN Large Hadron Collider surface facilities
The CERN Large Hadron Collider surface facilities are the above-ground buildings and infrastructure that support and control the LHC’s particle physics experiments near Geneva.
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B.
LHC
LHC is the commonly used abbreviation for Lausanne HC, a professional ice hockey club based in Lausanne, Switzerland.
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C.
LHC insertion region for CMS
The LHC insertion region for CMS is the specially designed section of the Large Hadron Collider where proton beams are focused and steered to collide inside the Compact Muon Solenoid detector for high-energy physics experiments.
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D.
LHC detector R&D
LHC detector R&D is the program of research and development focused on designing, testing, and improving particle detectors for experiments at the Large Hadron Collider.
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E.
Point 5 of the LHC ring
Point 5 of the LHC ring is the Large Hadron Collider interaction point that hosts the CMS detector and its associated experimental infrastructure.
- 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: LHC service tunnels Target entity description: The LHC service tunnels are auxiliary underground passages at CERN that house infrastructure and provide access and support to the Large Hadron Collider’s main accelerator ring.
-
A.
CERN Large Hadron Collider surface facilities
The CERN Large Hadron Collider surface facilities are the above-ground buildings and infrastructure that support and control the LHC’s particle physics experiments near Geneva.
-
B.
LHC
LHC is the commonly used abbreviation for Lausanne HC, a professional ice hockey club based in Lausanne, Switzerland.
-
C.
LHC insertion region for CMS
The LHC insertion region for CMS is the specially designed section of the Large Hadron Collider where proton beams are focused and steered to collide inside the Compact Muon Solenoid detector for high-energy physics experiments.
-
D.
LHC detector R&D
LHC detector R&D is the program of research and development focused on designing, testing, and improving particle detectors for experiments at the Large Hadron Collider.
-
E.
Point 5 of the LHC ring
Point 5 of the LHC ring is the Large Hadron Collider interaction point that hosts the CMS detector and its associated experimental infrastructure.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
accelerator infrastructure
ⓘ
underground tunnel network ⓘ |
| accessControl | restricted ⓘ |
| adjacentTo | LHC beam tunnel NERFINISHED ⓘ |
| associatedWith |
high-energy physics experiments
ⓘ
particle physics research ⓘ |
| connectedTo |
LHC experimental caverns
NERFINISHED
ⓘ
surface buildings ⓘ |
| constructionPeriod |
1990s
ⓘ
early 2000s ⓘ |
| contains |
control cables
ⓘ
cooling and ventilation systems ⓘ cryogenic distribution lines ⓘ diagnostics and monitoring equipment ⓘ power cables ⓘ radiation monitoring equipment ⓘ radiofrequency system infrastructure ⓘ vacuum system infrastructure ⓘ |
| country |
France
ⓘ
Switzerland ⓘ |
| depthBelowSurface | tens of metres ⓘ |
| environment | radiation-controlled area ⓘ |
| function |
house accelerator infrastructure
ⓘ
provide access to LHC main ring ⓘ route services and utilities ⓘ support maintenance operations ⓘ |
| infrastructureType |
service passage
ⓘ
technical gallery ⓘ |
| locatedIn |
CERN
ⓘ
Geneva region NERFINISHED ⓘ Meyrin NERFINISHED ⓘ |
| operator | CERN NERFINISHED ⓘ |
| partOf |
CERN accelerator complex
NERFINISHED
ⓘ
Large Hadron Collider NERFINISHED ⓘ |
| safetyFeature |
emergency exits
ⓘ
fire detection systems ⓘ radiation shielding ⓘ ventilation control ⓘ |
| serves | LHC main accelerator ring NERFINISHED ⓘ |
| supports |
LHC operation
ⓘ
LHC upgrades and maintenance ⓘ |
| usedBy | CERN technical staff ⓘ |
| usedFor |
emergency access
ⓘ
equipment installation ⓘ equipment maintenance ⓘ inspection of accelerator components ⓘ |
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: LHC service tunnels Description of subject: The LHC service tunnels are auxiliary underground passages at CERN that house infrastructure and provide access and support to the Large Hadron Collider’s main accelerator ring.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.