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.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| solar neutrino problem | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
radiochemical neutrino detector
ⓘ
solar neutrino experiment ⓘ underground physics experiment ⓘ |
| coLeader | John N. Bahcall NERFINISHED ⓘ |
| collaboration |
Brookhaven National Laboratory
NERFINISHED
ⓘ
South Dakota School of Mines and Technology NERFINISHED ⓘ University of Pennsylvania NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
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
NERFINISHED
ⓘ
Sudbury Neutrino Observatory NERFINISHED ⓘ Super-Kamiokande experiment NERFINISHED ⓘ |
| 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
NERFINISHED
ⓘ
South Dakota NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| location | Homestake Mine NERFINISHED ⓘ |
| 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. NERFINISHED ⓘ |
| providedEvidenceFor |
neutrino flavor change
ⓘ
neutrino oscillations ⓘ |
| recognizedBy | 2002 Nobel Prize in Physics to Raymond Davis Jr. NERFINISHED ⓘ |
| revealed | solar neutrino problem NERFINISHED ⓘ |
| startDate | 1967 ⓘ |
| status | completed ⓘ |
| targetIsotope | chlorine-37 ⓘ |
| targetMaterial | perchloroethylene ⓘ |
| usesDetectorType | radiochemical chlorine detector ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
solar neutrino problem