CLAS detector in Hall B
E454253
The CLAS detector in Hall B is a large-acceptance spectrometer at Jefferson Lab used to study the structure of nucleons and nuclei through high-precision electron scattering experiments.
All labels observed (4)
| Label | Occurrences |
|---|---|
| CLAS detector | 1 |
| CLAS detector in Hall B canonical | 1 |
| CLAS12 | 1 |
| CLAS12 detector in Hall B | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4569762 — 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: CLAS detector in Hall B Context triple: [Continuous Electron Beam Accelerator Facility, notableDetector, CLAS detector in Hall B]
-
A.
BaBar detector
The BaBar detector was a large particle physics experiment at the SLAC National Accelerator Laboratory designed to study B-meson decays and CP violation in high-energy electron–positron collisions.
-
B.
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.
-
C.
Belle II detector
The Belle II detector is a large, sophisticated particle physics experiment at the SuperKEKB accelerator in Japan, designed to study rare processes in B-meson, charm, and tau decays to probe physics beyond the Standard Model.
-
D.
Collider Detector at Fermilab
The Collider Detector at Fermilab (CDF) was a major particle physics experiment at the Tevatron proton–antiproton collider that made key contributions to discoveries such as the top quark and precision measurements of the Standard Model.
-
E.
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.
- 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: CLAS detector in Hall B Target entity description: The CLAS detector in Hall B is a large-acceptance spectrometer at Jefferson Lab used to study the structure of nucleons and nuclei through high-precision electron scattering experiments.
-
A.
BaBar detector
The BaBar detector was a large particle physics experiment at the SLAC National Accelerator Laboratory designed to study B-meson decays and CP violation in high-energy electron–positron collisions.
-
B.
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.
-
C.
Belle II detector
The Belle II detector is a large, sophisticated particle physics experiment at the SuperKEKB accelerator in Japan, designed to study rare processes in B-meson, charm, and tau decays to probe physics beyond the Standard Model.
-
D.
Collider Detector at Fermilab
The Collider Detector at Fermilab (CDF) was a major particle physics experiment at the Tevatron proton–antiproton collider that made key contributions to discoveries such as the top quark and precision measurements of the Standard Model.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
large-acceptance spectrometer
ⓘ
particle detector ⓘ |
| alsoKnownAs |
CEBAF Large Acceptance Spectrometer
NERFINISHED
ⓘ
CLAS NERFINISHED ⓘ |
| collaboration | CLAS Collaboration NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dataType |
electron–nucleon scattering data
ⓘ
electron–nucleus scattering data ⓘ |
| designedFor |
high-precision measurements
ⓘ
simultaneous detection of many charged particles ⓘ |
| enablesMeasurementOf |
differential cross sections
ⓘ
resonance excitation spectra ⓘ spin asymmetries ⓘ structure functions ⓘ |
| energyRange | few-GeV electron beam energies ⓘ |
| geometry | six-sector azimuthal symmetry ⓘ |
| hasComponent |
Cherenkov counters
ⓘ
drift chambers ⓘ electromagnetic calorimeters ⓘ start counter ⓘ time-of-flight scintillators ⓘ toroidal magnet ⓘ |
| hasMagnetType | superconducting toroidal magnet ⓘ |
| hasProperty |
large solid-angle acceptance
ⓘ
nearly 4π steradian coverage ⓘ |
| locatedAt | Thomas Jefferson National Accelerator Facility NERFINISHED ⓘ |
| locatedIn |
Hall B
NERFINISHED
ⓘ
Newport News, Virginia NERFINISHED ⓘ |
| operatedBy | Jefferson Lab NERFINISHED ⓘ |
| optimizedFor |
exclusive reaction measurements
ⓘ
high-luminosity experiments ⓘ multi-particle final states ⓘ |
| partOf | Continuous Electron Beam Accelerator Facility NERFINISHED ⓘ |
| primaryBeamType | electron beam ⓘ |
| researchField |
hadronic physics
ⓘ
nuclear physics ⓘ particle physics ⓘ |
| successor | CLAS12 detector in Hall B NERFINISHED ⓘ |
| timePeriod |
operational in the 1990s
ⓘ
operational in the 2000s ⓘ operational in the early 2010s ⓘ |
| usedFor |
baryon spectroscopy
ⓘ
electromagnetic form factor measurements ⓘ electron scattering experiments ⓘ meson spectroscopy ⓘ spin structure studies ⓘ study of nuclear structure ⓘ study of nucleon structure ⓘ |
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: CLAS detector in Hall B Description of subject: The CLAS detector in Hall B is a large-acceptance spectrometer at Jefferson Lab used to study the structure of nucleons and nuclei through high-precision electron scattering experiments.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CLAS12 detector in Hall B
this entity surface form:
CLAS detector