Baryon Antibaryon Symmetry Experiment
E210173
The Baryon Antibaryon Symmetry Experiment (BASE) is a high-precision particle physics experiment that measures the properties of protons and antiprotons to test fundamental symmetries such as CPT invariance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Baryon Antibaryon Symmetry Experiment canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1889395 — 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: Baryon Antibaryon Symmetry Experiment Context triple: [BASE experiment, fullName, Baryon Antibaryon Symmetry Experiment]
-
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.
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B.
ASACUSA experiment
The ASACUSA experiment is a CERN-based research project that studies the properties of antiprotons and antihydrogen to test fundamental symmetries in physics.
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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.
GBAR experiment
The GBAR experiment is a physics research project at CERN designed to study the behavior of antihydrogen in Earth's gravitational field to test the equivalence principle with antimatter.
-
E.
DUNE experiment
The DUNE experiment is a major international neutrino physics project designed to study neutrino oscillations, matter–antimatter asymmetry, and proton decay using intense neutrino beams and massive underground detectors.
- 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: Baryon Antibaryon Symmetry Experiment Target entity description: The Baryon Antibaryon Symmetry Experiment (BASE) is a high-precision particle physics experiment that measures the properties of protons and antiprotons to test fundamental symmetries such as CPT invariance.
-
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.
ASACUSA experiment
The ASACUSA experiment is a CERN-based research project that studies the properties of antiprotons and antihydrogen to test fundamental symmetries in physics.
-
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.
GBAR experiment
The GBAR experiment is a physics research project at CERN designed to study the behavior of antihydrogen in Earth's gravitational field to test the equivalence principle with antimatter.
-
E.
DUNE experiment
The DUNE experiment is a major international neutrino physics project designed to study neutrino oscillations, matter–antimatter asymmetry, and proton decay using intense neutrino beams and massive underground detectors.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
CPT symmetry test experiment
ⓘ
high-precision experiment ⓘ particle physics experiment ⓘ |
| abbreviation | BASE ⓘ |
| aimsToTest |
Standard Model predictions
ⓘ
matter-antimatter symmetry ⓘ |
| compares |
antiproton properties
ⓘ
baryon and antibaryon charge-to-mass ratios ⓘ baryon and antibaryon magnetic moments ⓘ proton properties ⓘ |
| focusesOn |
antibaryon properties
ⓘ
baryon properties ⓘ |
| goal |
improve precision of proton and antiproton property measurements
ⓘ
search for CPT violation ⓘ |
| hasAcronym | BASE ⓘ |
| hasFullName | Baryon Antibaryon Symmetry Experiment ⓘ |
| investigates |
fundamental constants of protons and antiprotons
ⓘ
possible differences between matter and antimatter ⓘ |
| measuresPropertyOf |
antiproton charge-to-mass ratio
ⓘ
antiproton magnetic moment ⓘ proton charge-to-mass ratio ⓘ proton magnetic moment ⓘ |
| relatedTo |
antimatter experiments
ⓘ
precision tests of CPT symmetry ⓘ |
| researchField |
antimatter physics
ⓘ
fundamental physics ⓘ precision measurements ⓘ |
| studies |
antiproton
ⓘ
proton ⓘ |
| subjectOf | experimental particle physics research ⓘ |
| tests | fundamental symmetries of nature ⓘ |
| testsSymmetry |
CPT invariance
ⓘ
charge-parity-time symmetry ⓘ |
| typeOfMeasurement | high-precision spectroscopic measurement ⓘ |
| uses |
Penning trap techniques
ⓘ
high-precision frequency 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: Baryon Antibaryon Symmetry Experiment Description of subject: The Baryon Antibaryon Symmetry Experiment (BASE) is a high-precision particle physics experiment that measures the properties of protons and antiprotons to test fundamental symmetries such as CPT invariance.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.