K_L and muon detector
E571565
The K_L and muon detector is a Belle II subdetector designed to identify long-lived neutral kaons and muons by detecting their interactions in layers of absorber and active material surrounding the inner detector components.
All labels observed (1)
| Label | Occurrences |
|---|---|
| K_L and muon detector canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6146507 — 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: K_L and muon detector Context triple: [Belle II detector, hasSubsystem, K_L and muon detector]
-
A.
DØ detector
The DØ detector is a large particle physics experiment at Fermilab’s Tevatron collider designed to study high-energy proton–antiproton collisions and probe fundamental particles and forces.
-
B.
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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C.
High Resolution Kaon Spectrometer
The High Resolution Kaon Spectrometer is a precision magnetic spectrometer designed to detect and analyze kaons produced in nuclear and particle physics experiments.
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D.
Cherenkov detectors
Cherenkov detectors are particle detectors that identify and measure high-speed charged particles by capturing the characteristic light they emit when traveling faster than the speed of light in a medium.
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E.
Muon Spectrometer
The Muon Spectrometer is a specialized ALICE detector subsystem designed to identify and measure muons produced in high-energy heavy-ion collisions at the Large Hadron Collider.
- 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: K_L and muon detector Target entity description: The K_L and muon detector is a Belle II subdetector designed to identify long-lived neutral kaons and muons by detecting their interactions in layers of absorber and active material surrounding the inner detector components.
-
A.
DØ detector
The DØ detector is a large particle physics experiment at Fermilab’s Tevatron collider designed to study high-energy proton–antiproton collisions and probe fundamental particles and forces.
-
B.
Micromegas detectors
Micromegas detectors are high-granularity gaseous particle detectors that provide precise tracking and fast timing for high-energy physics experiments.
-
C.
High Resolution Kaon Spectrometer
The High Resolution Kaon Spectrometer is a precision magnetic spectrometer designed to detect and analyze kaons produced in nuclear and particle physics experiments.
-
D.
Cherenkov detectors
Cherenkov detectors are particle detectors that identify and measure high-speed charged particles by capturing the characteristic light they emit when traveling faster than the speed of light in a medium.
-
E.
Muon Spectrometer
The Muon Spectrometer is a specialized ALICE detector subsystem designed to identify and measure muons produced in high-energy heavy-ion collisions at the Large Hadron Collider.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Belle II subdetector
ⓘ
particle physics detector subsystem ⓘ |
| associatedWith | B-factory physics program ⓘ |
| contributesTo |
event reconstruction in Belle II
ⓘ
trigger decisions for muon events ⓘ |
| designedFor | high-luminosity operation at SuperKEKB NERFINISHED ⓘ |
| detectionPrinciple |
detection of hadronic interactions of K_L in absorber material
ⓘ
detection of penetrating muons through absorber ⓘ |
| detects |
K_L mesons
NERFINISHED
ⓘ
muons ⓘ |
| distinguishes |
K_L mesons from other neutral particles
NERFINISHED
ⓘ
muons from hadrons ⓘ |
| environment |
high background conditions
ⓘ
high radiation environment ⓘ |
| geometry |
barrel region
ⓘ
endcap regions ⓘ |
| locatedAt | SuperKEKB collider NERFINISHED ⓘ |
| locatedIn |
KEK
NERFINISHED
ⓘ
Tsukuba, Japan NERFINISHED ⓘ |
| operatesAt | asymmetric e+e- collision environment ⓘ |
| optimizedFor |
long-lived neutral kaons
ⓘ
penetrating charged particles ⓘ |
| partOf | Belle II detector NERFINISHED ⓘ |
| primaryFunction |
identify long-lived neutral kaons
ⓘ
identify muons ⓘ |
| provides |
K_L cluster information
ⓘ
muon track segments ⓘ |
| roleInExperiment |
K_L meson identification
ⓘ
muon identification ⓘ |
| roleInPhysicsAnalysis |
CP violation measurements
ⓘ
flavor tagging ⓘ rare B meson decay studies ⓘ |
| surrounds |
central drift chamber
ⓘ
electromagnetic calorimeter ⓘ inner detector components of Belle II ⓘ |
| technology |
absorber plates
ⓘ
scintillator-based active elements ⓘ |
| usedBy | Belle II collaboration NERFINISHED ⓘ |
| usesMaterialType |
absorber layers
ⓘ
active detector layers ⓘ |
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: K_L and muon detector Description of subject: The K_L and muon detector is a Belle II subdetector designed to identify long-lived neutral kaons and muons by detecting their interactions in layers of absorber and active material surrounding the inner detector components.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.