Cowan–Reines neutrino experiment
E820011
The Cowan–Reines neutrino experiment was the first successful detection of neutrinos, providing direct experimental confirmation of their existence and validating key aspects of weak interaction theory.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cowan–Reines neutrino experiment canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9770393 — 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.
Target entity: Cowan–Reines neutrino experiment Context triple: [neutrino hypothesis, eventuallyConfirmedBy, Cowan–Reines neutrino experiment]
-
A.
Homestake solar neutrino experiment
The Homestake solar neutrino experiment was a pioneering underground radiochemical detector in South Dakota that first measured solar neutrinos and revealed the solar neutrino problem, leading to major advances in neutrino physics.
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B.
Kamiokande experiment
The Kamiokande experiment was a pioneering Japanese neutrino observatory that provided key evidence for solar and atmospheric neutrinos, contributing to the discovery of neutrino oscillations.
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C.
Homestake experiment
The Homestake experiment was a pioneering underground neutrino observatory that first detected solar neutrinos and revealed the solar neutrino problem, profoundly influencing particle physics and astrophysics.
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D.
Wu experiment
The Wu experiment was a landmark 1956 nuclear physics experiment that demonstrated the violation of parity conservation in weak interactions, fundamentally reshaping our understanding of fundamental symmetries in nature.
-
E.
experiments at the Sudbury Neutrino Observatory
Experiments at the Sudbury Neutrino Observatory were groundbreaking studies of solar neutrinos that provided key evidence for neutrino oscillations and the existence of neutrino mass.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Cowan–Reines neutrino experiment Target entity description: The Cowan–Reines neutrino experiment was the first successful detection of neutrinos, providing direct experimental confirmation of their existence and validating key aspects of weak interaction theory.
-
A.
Homestake solar neutrino experiment
The Homestake solar neutrino experiment was a pioneering underground radiochemical detector in South Dakota that first measured solar neutrinos and revealed the solar neutrino problem, leading to major advances in neutrino physics.
-
B.
Kamiokande experiment
The Kamiokande experiment was a pioneering Japanese neutrino observatory that provided key evidence for solar and atmospheric neutrinos, contributing to the discovery of neutrino oscillations.
-
C.
Homestake experiment
The Homestake experiment was a pioneering underground neutrino observatory that first detected solar neutrinos and revealed the solar neutrino problem, profoundly influencing particle physics and astrophysics.
-
D.
Wu experiment
The Wu experiment was a landmark 1956 nuclear physics experiment that demonstrated the violation of parity conservation in weak interactions, fundamentally reshaping our understanding of fundamental symmetries in nature.
-
E.
experiments at the Sudbury Neutrino Observatory
Experiments at the Sudbury Neutrino Observatory were groundbreaking studies of solar neutrinos that provided key evidence for neutrino oscillations and the existence of neutrino mass.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
neutrino experiment
ⓘ
particle physics experiment ⓘ physics experiment ⓘ |
| alsoKnownAs |
Reines–Cowan experiment
NERFINISHED
ⓘ
first neutrino detection experiment ⓘ |
| conductedBy |
Clyde Cowan
NERFINISHED
ⓘ
Frederick Reines NERFINISHED ⓘ |
| country | United States of America ⓘ |
| detectedParticle |
electron antineutrino
ⓘ
neutrino ⓘ |
| detectionMethod | inverse beta decay ⓘ |
| endTime | 1956 ⓘ |
| followedBy |
Reines–Gurr–Sobel neutrino experiments
NERFINISHED
ⓘ
solar neutrino experiments ⓘ |
| hasKeyConcept |
antineutrino detection
ⓘ
beta decay ⓘ weak interaction ⓘ |
| hasParticipant |
Clyde Cowan
NERFINISHED
ⓘ
Frederick Reines NERFINISHED ⓘ |
| inferredQuantity |
inverse beta decay cross section
ⓘ
neutrino flux from reactor ⓘ |
| influenced |
development of neutrino physics
ⓘ
standard model of particle physics NERFINISHED ⓘ |
| location |
Savannah River Plant
NERFINISHED
ⓘ
South Carolina NERFINISHED ⓘ |
| mainResult |
experimental confirmation of the existence of neutrinos
ⓘ
first direct detection of neutrinos ⓘ |
| observedReaction | electron antineutrino + proton → neutron + positron ⓘ |
| precededBy |
Fermi’s theory of beta decay
NERFINISHED
ⓘ
Pauli’s neutrino hypothesis NERFINISHED ⓘ |
| publicationYear | 1956 ⓘ |
| recognizedBy | Nobel Prize in Physics 1995 (awarded to Frederick Reines) NERFINISHED ⓘ |
| reportedBy |
Clyde Cowan
NERFINISHED
ⓘ
Frederick Reines NERFINISHED ⓘ |
| reportedIn | Science NERFINISHED ⓘ |
| signature | coincidence of positron annihilation gamma rays and delayed neutron capture gamma rays ⓘ |
| startTime | 1953 ⓘ |
| testedTheory | weak interaction theory ⓘ |
| timePeriod | 1950s ⓘ |
| usedCoincidenceTechnique | time-coincidence detection of gamma rays ⓘ |
| usedDetector |
liquid scintillation detector
ⓘ
water tank with dissolved cadmium chloride ⓘ |
| usedSource |
Savannah River nuclear reactor
NERFINISHED
ⓘ
nuclear reactor ⓘ |
| usedTargetMaterial |
hydrogen nuclei
ⓘ
proton-rich water ⓘ |
| validatedAspectOf |
Fermi theory of beta decay
NERFINISHED
ⓘ
conservation of lepton number in beta decay ⓘ |
How these facts were elicited
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Subject: Cowan–Reines neutrino experiment Description of subject: The Cowan–Reines neutrino experiment was the first successful detection of neutrinos, providing direct experimental confirmation of their existence and validating key aspects of weak interaction theory.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.