High Resolution Spectrometers in Hall A
E454254
High Resolution Spectrometers in Hall A are precision magnetic spectrometers used at Jefferson Lab’s CEBAF facility to measure scattered electrons and hadrons with high momentum and angular resolution for nuclear and particle physics experiments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| High Resolution Spectrometers in Hall A canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4569764 — 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: High Resolution Spectrometers in Hall A Context triple: [Continuous Electron Beam Accelerator Facility, notableDetector, High Resolution Spectrometers in Hall A]
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A.
A Large Ion Collider Experiment
A Large Ion Collider Experiment (ALICE) is a major detector at CERN’s Large Hadron Collider designed to study the physics of strongly interacting matter and quark–gluon plasma created in high-energy heavy-ion collisions.
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B.
Common Muon and Proton Apparatus for Structure and Spectroscopy
The Common Muon and Proton Apparatus for Structure and Spectroscopy (COMPASS) is a fixed-target experiment at CERN designed to investigate the internal structure and dynamics of hadrons using high-intensity muon and hadron beams.
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C.
SPS Heavy Ion and Neutrino Experiment
The SPS Heavy Ion and Neutrino Experiment (NA61/SHINE) is a fixed-target particle physics experiment at CERN’s Super Proton Synchrotron that studies hadron production in proton, pion, and ion collisions for strong-interaction physics and neutrino beam characterization.
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D.
Gigatracker beam spectrometer
The Gigatracker beam spectrometer is a high-precision silicon pixel tracking system used in the NA62 experiment at CERN to measure the momentum and timing of individual particles in the high-intensity kaon beam.
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E.
GlueX experiment
The GlueX experiment is a particle physics project at Jefferson Lab designed to study the spectrum and properties of exotic mesons and gluonic excitations using high-energy photon beams.
- 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: High Resolution Spectrometers in Hall A Target entity description: High Resolution Spectrometers in Hall A are precision magnetic spectrometers used at Jefferson Lab’s CEBAF facility to measure scattered electrons and hadrons with high momentum and angular resolution for nuclear and particle physics experiments.
-
A.
A Large Ion Collider Experiment
A Large Ion Collider Experiment (ALICE) is a major detector at CERN’s Large Hadron Collider designed to study the physics of strongly interacting matter and quark–gluon plasma created in high-energy heavy-ion collisions.
-
B.
Common Muon and Proton Apparatus for Structure and Spectroscopy
The Common Muon and Proton Apparatus for Structure and Spectroscopy (COMPASS) is a fixed-target experiment at CERN designed to investigate the internal structure and dynamics of hadrons using high-intensity muon and hadron beams.
-
C.
SPS Heavy Ion and Neutrino Experiment
The SPS Heavy Ion and Neutrino Experiment (NA61/SHINE) is a fixed-target particle physics experiment at CERN’s Super Proton Synchrotron that studies hadron production in proton, pion, and ion collisions for strong-interaction physics and neutrino beam characterization.
-
D.
Gigatracker beam spectrometer
The Gigatracker beam spectrometer is a high-precision silicon pixel tracking system used in the NA62 experiment at CERN to measure the momentum and timing of individual particles in the high-intensity kaon beam.
-
E.
GlueX experiment
The GlueX experiment is a particle physics project at Jefferson Lab designed to study the spectrum and properties of exotic mesons and gluonic excitations using high-energy photon beams.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
magnetic spectrometer system
ⓘ
nuclear physics detector system ⓘ |
| alsoKnownAs |
Hall A HRS
ⓘ
linked to:
Hall A
Hall A High Resolution Spectrometers ⓘ |
| canDetect |
scattered electrons
ⓘ
scattered hadrons ⓘ |
| canIdentify |
electrons
ⓘ
pions ⓘ protons ⓘ |
| canMeasure |
particle momentum
ⓘ
particle trajectory ⓘ scattering angle ⓘ |
| commissionedAt |
Jefferson Lab Hall A
ⓘ
linked to:
Jefferson Lab
|
| designedFor |
high angular resolution
ⓘ
high luminosity operation ⓘ high momentum resolution ⓘ |
| documentedIn |
Hall A Technical Note series
ⓘ
linked to:
Hall A
Jefferson Lab Hall A instrumentation publications ⓘ |
| hasAngularResolution | on the order of 0.5 milliradian ⓘ |
| hasComponent |
QQDQ magnet configuration
ⓘ
collimators ⓘ dipole magnet ⓘ electromagnetic calorimeter ⓘ gas Cherenkov detector ⓘ optics target system ⓘ quadrupole magnets ⓘ scintillator hodoscopes ⓘ sieve slit system ⓘ vertical drift chambers ⓘ |
| hasMaximumCentralMomentum | approximately 4 GeV/c ⓘ |
| hasMomentumAcceptance | approximately ±4.5 percent ⓘ |
| hasMomentumResolution | on the order of 10^-4 ⓘ |
| hasPart |
Left High Resolution Spectrometer
ⓘ
Right High Resolution Spectrometer ⓘ |
| hasSolidAngleAcceptance | approximately 6 millisteradian ⓘ |
| locatedAt |
Thomas Jefferson National Accelerator Facility
ⓘ
linked to:
Jefferson Lab
|
| locatedIn | Hall A ⓘ |
| operatedWith | continuous electron beam from CEBAF ⓘ |
| partOf | Continuous Electron Beam Accelerator Facility ⓘ |
| supports |
coincidence measurements between left and right spectrometers
ⓘ
single-arm measurements ⓘ |
| usedBy | Hall A experimental collaborations ⓘ |
| usedFor |
electron scattering experiments
ⓘ
few-body nuclear structure studies ⓘ hadron detection ⓘ hadronic physics experiments ⓘ nuclear physics experiments ⓘ parity-violation experiments ⓘ precision form factor measurements ⓘ structure function measurements ⓘ |
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: High Resolution Spectrometers in Hall A Description of subject: High Resolution Spectrometers in Hall A are precision magnetic spectrometers used at Jefferson Lab’s CEBAF facility to measure scattered electrons and hadrons with high momentum and angular resolution for nuclear and particle physics experiments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Continuous Electron Beam Accelerator Facility
→
notableDetector
→
High Resolution Spectrometers in Hall A
ⓘ