Homestake solar neutrino experiment

E727973

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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Predicate Object
instanceOf radiochemical neutrino detector
solar neutrino experiment
underground physics experiment
coLeader John N. Bahcall
collaboration Brookhaven National Laboratory
South Dakota School of Mines and Technology
University of Pennsylvania
country United States
dataTakingMode periodic extraction runs of argon-37
depth about 1,478 meters underground
detectionReaction ν_e + 37Cl → 37Ar + e−
detectorMass about 615 tons of perchloroethylene
detects electron neutrinos from the Sun
detectsFromSource solar core
duration about 27 years
endDate 1994
energyThreshold about 0.814 MeV
field neutrino physics
particle astrophysics
solar physics
foundFluxRelativeToTheory about one-third of predicted solar neutrino flux
influenced Kamiokande experiment
Sudbury Neutrino Observatory
Super-Kamiokande experiment
laboratoryVolume about 380 cubic meters of perchloroethylene
legacy established solar neutrino detection as a field
triggered decades of research into neutrino properties
locatedIn Lead, South Dakota
South Dakota
United States
location Homestake Mine
measuredQuantity production rate of argon-37 atoms
measures solar neutrino flux
method radiochemical extraction of argon-37
motivation test solar models using neutrino flux
primaryNeutrinoSource 7Be solar neutrinos
8B solar neutrinos
principalInvestigator Raymond Davis Jr.
providedEvidenceFor neutrino flavor change
neutrino oscillations
recognizedBy 2002 Nobel Prize in Physics to Raymond Davis Jr.
linked to: Raymond Davis Jr.
revealed solar neutrino problem
startDate 1967
status completed
targetIsotope chlorine-37
targetMaterial perchloroethylene
usesDetectorType radiochemical chlorine detector

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Referenced by (6)

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

Raymond Davis Jr. experiment Homestake solar neutrino experiment
electron neutrino isSubjectOf solar neutrino problem
linked to: Homestake solar neutrino experiment
Homestake Mine, South Dakota hostedExperiment Homestake solar neutrino experiment
Homestake solar neutrino experiment revealed solar neutrino problem
linked to: Homestake solar neutrino experiment
John N. Bahcall knownFor Bahcall–Davis solar neutrino problem
subject linked to: Bahcall
linked to: Homestake solar neutrino experiment
John N. Bahcall knownFor Bahcall–Davis solar neutrino problem
subject linked to: John
linked to: Homestake solar neutrino experiment