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.
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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.