Arm1 detector
E29600
The Arm1 detector is one of the forward calorimeter arms of the LHCf experiment at CERN, designed to measure neutral particles produced at very small angles in proton–proton collisions to improve models of cosmic-ray air showers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arm1 detector canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T230779 — 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: Arm1 detector Context triple: [LHCf, hasSubsystem, Arm1 detector]
-
A.
RICH detector
The RICH detector is a ring-imaging Cherenkov device used in the NA62 experiment at CERN to identify charged particles by measuring the Cherenkov light they emit.
-
B.
Time Projection Chamber
The Time Projection Chamber is a large gaseous detector used in particle physics experiments to track and identify charged particles in three dimensions with high precision.
-
C.
Transition Radiation Detector
The Transition Radiation Detector is a particle physics instrument that identifies high-energy charged particles—especially electrons—by detecting the X-ray photons they emit when crossing boundaries between materials at relativistic speeds.
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D.
Micromegas detectors
Micromegas detectors are high-granularity gaseous particle detectors that provide precise tracking and fast timing for high-energy physics experiments.
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E.
Forward Multiplicity Detector
The Forward Multiplicity Detector is a specialized ALICE experiment subdetector at CERN designed to measure charged-particle multiplicities at very forward angles in high-energy collisions.
- 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: Arm1 detector Target entity description: The Arm1 detector is one of the forward calorimeter arms of the LHCf experiment at CERN, designed to measure neutral particles produced at very small angles in proton–proton collisions to improve models of cosmic-ray air showers.
-
A.
RICH detector
The RICH detector is a ring-imaging Cherenkov device used in the NA62 experiment at CERN to identify charged particles by measuring the Cherenkov light they emit.
-
B.
Time Projection Chamber
The Time Projection Chamber is a large gaseous detector used in particle physics experiments to track and identify charged particles in three dimensions with high precision.
-
C.
Transition Radiation Detector
The Transition Radiation Detector is a particle physics instrument that identifies high-energy charged particles—especially electrons—by detecting the X-ray photons they emit when crossing boundaries between materials at relativistic speeds.
-
D.
Micromegas detectors
Micromegas detectors are high-granularity gaseous particle detectors that provide precise tracking and fast timing for high-energy physics experiments.
-
E.
Forward Multiplicity Detector
The Forward Multiplicity Detector is a specialized ALICE experiment subdetector at CERN designed to measure charged-particle multiplicities at very forward angles in high-energy collisions.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
detector subsystem
ⓘ
forward calorimeter ⓘ |
| associatedWithExperiment | LHCf ⓘ |
| contributesTo |
cosmic-ray physics
ⓘ
tuning hadronic interaction models ⓘ understanding extensive air showers ⓘ |
| dataUsedBy | cosmic-ray air-shower simulations ⓘ |
| designedFor | proton–proton collisions ⓘ |
| hasComponent |
electromagnetic calorimeter
ⓘ
hadronic calorimeter ⓘ |
| hasCounterpart | Arm2 detector ⓘ |
| hasGeometry | very small polar angles relative to the beam direction ⓘ |
| hasPurpose |
improve models of cosmic-ray air showers
ⓘ
measure neutral particles produced at very small angles in proton–proton collisions ⓘ |
| hasReadout |
position-sensitive layers
ⓘ
scintillator-based readout ⓘ |
| hasTechnology | sampling calorimeter ⓘ |
| hostOrganization | CERN ⓘ |
| locatedAtAccelerator | Large Hadron Collider ⓘ |
| locatedAtInteractionPoint |
LHC insertion region for CMS
ⓘ
surface form:
LHC interaction point IP1
|
| locatedInFacility | CERN ⓘ |
| measures |
neutral pions
ⓘ
neutrons ⓘ photons ⓘ very forward neutral particles ⓘ |
| operatesAt | very forward pseudorapidity region ⓘ |
| optimizedFor | high-energy neutral particle detection ⓘ |
| partOf |
LHCf
ⓘ
surface form:
LHCf experiment
|
| positionRelativeToBeam | on one side of the interaction point ⓘ |
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: Arm1 detector Description of subject: The Arm1 detector is one of the forward calorimeter arms of the LHCf experiment at CERN, designed to measure neutral particles produced at very small angles in proton–proton collisions to improve models of cosmic-ray air showers.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.