drift tube linac (DTL)
E9292
A drift tube linac (DTL) is a type of linear particle accelerator that uses a series of electrically driven drift tubes to progressively increase the energy of charged particle beams.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Drift Tube Linac | 1 |
| cell-coupled drift tube linac (CCDTL) | 1 |
| drift tube linac (DTL) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T95244 — 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: drift tube linac (DTL) Context triple: [Linac4, hasComponent, drift tube linac (DTL)]
-
A.
Linac4
Linac4 is a linear accelerator at CERN that serves as the first stage of the proton acceleration chain for the Large Hadron Collider and other experiments.
-
B.
Antiproton Decelerator
The Antiproton Decelerator is a specialized CERN facility that slows down antiprotons to low energies for precision experiments in antimatter physics.
-
C.
Compact Linear Collider test facilities
The Compact Linear Collider test facilities are experimental research installations at CERN dedicated to developing and validating technologies for a future high-energy electron–positron linear collider.
-
D.
Proton Synchrotron
The Proton Synchrotron is a historic circular particle accelerator at CERN that has played a key role in high-energy physics research and in feeding beams to larger colliders.
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E.
Large Hadron Collider
The Large Hadron Collider is the world’s largest and most powerful particle accelerator, used to smash subatomic particles together at unprecedented energies to study fundamental physics, including the Higgs boson.
- 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: drift tube linac (DTL) Target entity description: A drift tube linac (DTL) is a type of linear particle accelerator that uses a series of electrically driven drift tubes to progressively increase the energy of charged particle beams.
-
A.
Linac4
Linac4 is a linear accelerator at CERN that serves as the first stage of the proton acceleration chain for the Large Hadron Collider and other experiments.
-
B.
Antiproton Decelerator
The Antiproton Decelerator is a specialized CERN facility that slows down antiprotons to low energies for precision experiments in antimatter physics.
-
C.
Compact Linear Collider test facilities
The Compact Linear Collider test facilities are experimental research installations at CERN dedicated to developing and validating technologies for a future high-energy electron–positron linear collider.
-
D.
Proton Synchrotron
The Proton Synchrotron is a historic circular particle accelerator at CERN that has played a key role in high-energy physics research and in feeding beams to larger colliders.
-
E.
Large Hadron Collider
The Large Hadron Collider is the world’s largest and most powerful particle accelerator, used to smash subatomic particles together at unprecedented energies to study fundamental physics, including the Higgs boson.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
linear particle accelerator
ⓘ
radio-frequency linear accelerator ⓘ |
| accelerates |
charged particles
ⓘ
heavy ion beams ⓘ ion beams ⓘ proton beams ⓘ |
| fieldConfiguration | axial electric field in gaps ⓘ |
| hasAbbreviation | DTL ⓘ |
| hasAdvantage |
efficient acceleration at low beta
ⓘ
relatively simple mechanical structure ⓘ |
| hasDesignFeature |
cell length increases with particle velocity
ⓘ
drift tubes shield particles from decelerating RF fields ⓘ standing-wave RF mode ⓘ synchronous phase operation ⓘ |
| hasFunction |
bunch charged particles
ⓘ
focus particle beams ⓘ increase particle beam energy ⓘ |
| hasLimitation |
large physical size at high energies
ⓘ
less efficient at high particle velocities ⓘ |
| hasMedium | vacuum ⓘ |
| hasSection |
accelerating gap
ⓘ
drift tube section ⓘ tank ⓘ |
| isFollowedBy |
coupled cavity linac
ⓘ
superconducting linac sections ⓘ |
| isOptimizedFor | low to medium energy beams ⓘ |
| isPrecededBy | radio-frequency quadrupole ⓘ |
| isUsedIn |
cancer therapy accelerators
ⓘ
ion implantation facilities ⓘ materials science experiments ⓘ medical accelerators ⓘ nuclear physics research ⓘ proton accelerator facilities ⓘ radioactive ion beam facilities ⓘ spallation neutron sources ⓘ |
| operatesIn |
continuous wave mode
ⓘ
pulsed mode ⓘ |
| requires |
high-power RF source
ⓘ
high-vacuum system ⓘ precise RF phase control ⓘ |
| typicalApplication | injector for high-energy synchrotrons ⓘ |
| typicalEnergyRange | a few MeV to several tens of MeV ⓘ |
| usesComponent | drift tube ⓘ |
| usesField | radio-frequency electric field ⓘ |
| usesFocusingElement |
quadrupole lens inside drift tubes
ⓘ
quadrupole magnet ⓘ |
| usesFrequencyRange | tens to hundreds of megahertz ⓘ |
| usesStructure | resonant cavity ⓘ |
| wasDevelopedFor | early proton accelerator applications ⓘ |
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: drift tube linac (DTL) Description of subject: A drift tube linac (DTL) is a type of linear particle accelerator that uses a series of electrically driven drift tubes to progressively increase the energy of charged particle beams.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
cell-coupled drift tube linac (CCDTL)