DTL
E50858
DTL is a type of linear accelerator structure that uses a series of drift tubes within an RF cavity to efficiently accelerate charged particle beams.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DTL canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T401472 — 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: DTL Context triple: [drift tube linac, hasAbbreviation, DTL]
-
A.
DL
DL is the two-letter IATA airline designator used to identify Delta Air Lines on tickets, schedules, and flight information.
-
B.
DELTA
DELTA is the radio callsign used by pilots and air traffic control to identify and communicate with Delta Air Lines flights.
-
C.
DAL
DAL is the stock ticker symbol for Delta Air Lines, a major U.S.-based international airline.
-
D.
DOT
DOT is the commonly used acronym for the United States Department of Transportation, the federal agency responsible for national transportation policy and infrastructure.
-
E.
Dynamo
Dynamo is a prominent Russian sports club based in Moscow, best known for its professional football and ice hockey teams.
- 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: DTL Target entity description: DTL is a type of linear accelerator structure that uses a series of drift tubes within an RF cavity to efficiently accelerate charged particle beams.
-
A.
DL
DL is the two-letter IATA airline designator used to identify Delta Air Lines on tickets, schedules, and flight information.
-
B.
DELTA
DELTA is the radio callsign used by pilots and air traffic control to identify and communicate with Delta Air Lines flights.
-
C.
DAL
DAL is the stock ticker symbol for Delta Air Lines, a major U.S.-based international airline.
-
D.
DOT
DOT is the commonly used acronym for the United States Department of Transportation, the federal agency responsible for national transportation policy and infrastructure.
-
E.
Dynamo
Dynamo is a prominent Russian sports club based in Moscow, best known for its professional football and ice hockey teams.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
drift tube linac
ⓘ
linear accelerator structure ⓘ |
| accelerates |
charged particle beam
ⓘ
ion beam ⓘ proton beam ⓘ |
| beamDynamicsFeature |
alternating-gradient focusing
ⓘ
longitudinal bunching ⓘ |
| fieldType | normal-conducting RF structure ⓘ |
| fullName |
drift tube linac (DTL)
ⓘ
surface form:
Drift Tube Linac
|
| hasAdvantage |
efficient acceleration for low-velocity particles
ⓘ
high shunt impedance at low energies ⓘ |
| hasApplication |
cancer therapy with protons or ions
ⓘ
neutron production ⓘ particle physics research ⓘ radioisotope production ⓘ |
| hasDesignFeature |
drift tubes shield particles during decelerating RF phase
ⓘ
quadrupole magnets often embedded in drift tubes ⓘ |
| hasFunction |
bunching of particle beam
ⓘ
efficient acceleration of charged particles ⓘ focusing of particle beam ⓘ |
| hasGeometry | axially aligned drift tubes ⓘ |
| hasStructure |
series of drift tubes
ⓘ
tank-like cavity ⓘ |
| isDescribedAs | drift tube accelerator structure ⓘ |
| isOptimizedFor | low-beta particles ⓘ |
| isStageOf | multi-stage linear accelerator ⓘ |
| locatedInside | RF cavity ⓘ |
| operatesAt | radio frequency ⓘ |
| operatesWith |
standing-wave RF field
ⓘ
synchronous phase ⓘ |
| precedes | coupled cavity linac in many linac designs ⓘ |
| requires |
RF power source
ⓘ
beam diagnostics ⓘ vacuum system ⓘ |
| typicalEnergyRange | low to medium energy ⓘ |
| typicalLocationInLinac | front-end section after RFQ ⓘ |
| usedIn |
ion linac
ⓘ
medical accelerator ⓘ proton linac ⓘ research accelerator facility ⓘ spallation neutron source ⓘ |
| usesComponent |
drift tube
ⓘ
quadrupole magnet ⓘ radio-frequency cavity ⓘ vacuum chamber ⓘ |
| usesPhysicalPrinciple |
radio-frequency acceleration
ⓘ
time-varying electric field ⓘ |
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: DTL Description of subject: DTL is a type of linear accelerator structure that uses a series of drift tubes within an RF cavity to efficiently accelerate charged particle beams.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
drift tube linac