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 (4)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf neutrino experiment ⓘ
particle physics experiment ⓘ
physics experiment ⓘ
alsoKnownAs Reines–Cowan experiment ⓘ
first neutrino detection experiment ⓘ
conductedBy Clyde Cowan ⓘ
Frederick Reines ⓘ
linked to: Clyde Cowan
country United States of America ⓘ
detectedParticle electron antineutrino ⓘ
neutrino ⓘ
detectionMethod inverse beta decay ⓘ
endTime 1956 ⓘ
followedBy Reines–Gurr–Sobel neutrino experiments ⓘ
solar neutrino experiments ⓘ
hasKeyConcept antineutrino detection ⓘ
beta decay ⓘ
weak interaction ⓘ
hasParticipant Clyde Cowan ⓘ
Frederick Reines ⓘ
inferredQuantity inverse beta decay cross section ⓘ
neutrino flux from reactor ⓘ
influenced development of neutrino physics ⓘ
standard model of particle physics ⓘ
linked to: Standard Model
location Savannah River Plant ⓘ
linked to: Savannah River Site

South Carolina ⓘ
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 ⓘ
Pauli’s neutrino hypothesis ⓘ
linked to: neutrino hypothesis
publicationYear 1956 ⓘ
recognizedBy Nobel Prize in Physics 1995 (awarded to Frederick Reines) ⓘ
reportedBy Clyde Cowan ⓘ
Frederick Reines ⓘ
reportedIn Science ⓘ
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 ⓘ
linked to: Savannah River Site

nuclear reactor ⓘ
usedTargetMaterial hydrogen nuclei ⓘ
proton-rich water ⓘ
validatedAspectOf Fermi theory of beta decay ⓘ
conservation of lepton number in beta decay ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

neutrino hypothesis → eventuallyConfirmedBy → Cowan–Reines neutrino experiment ⓘ
Cowan–Reines neutrino experiment → followedBy → Reines–Gurr–Sobel neutrino experiments ⓘ
linked to: Cowan–Reines neutrino experiment
electron antineutrino → wasKeyTo → Reines–Cowan neutrino experiment ⓘ
linked to: Cowan–Reines neutrino experiment
Clyde Cowan → experiment → Savannah River neutrino experiment ⓘ
linked to: Cowan–Reines neutrino experiment