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Sandbox Physics
2026 Nobel Prize in Physics

The neutrino world atlas

One particle, a planet full of questions.

See where in the world people have hunted neutrinos, with which instruments, and when each piece of evidence came in.

27 experiment records · 21 representative site groups

Historical neutrino experiment locationsRounded representative site positions. Nearby experiments share a marker; all are separately listed below. The South Pole horizontal position is arbitrary.1Savannah River2Brookhaven3 · 2Homestake / DUNE · Sanford far site4Gargamelle · CERN5 · 3Kamiokande-II / Super-Kamiokande / KamLAND · Kamioka6IMB · Ohio7 · 2Baksan scintillation telescope / SAGE · Baksan8 · 2GALLEX / GNO · Gran Sasso / Borexino · Gran Sasso9Baikal NT-9610SNO · Sudbury11 · 2AMANDA · South Pole / IceCube · South Pole12Double Chooz13Daya Bay14RENO · Hanbit15T2K · J-PARC source16NOvA · Ash River far detector17KATRIN · Karlsruhe18ANTARES · Mediterranean19KM3NeT · ARCA20KM3NeT · ORCA21JUNO · Jiangmensandboxphysics
Natural Earth coastlines · no national borders. Markers locate instruments, not every institution or country that contributed. Numbers identify site groups; dots do not measure scientific importance.

Each date marks one chosen event: an observation, a publication or the end of an experiment. It is not a construction date or an operating period. A “Historical record” label says nothing about whether the instrument runs today. Every dated statement was checked against its linked source on 15 October 2026.

02Historical record

Brookhaven

North America · Tracking / bubble chamber

A beam experiment distinguishes muon neutrinos.

Test flavor change · Instruments and methods

Checked 2026-10-15

04Historical record

Gargamelle · CERN

Europe / Caucasus · Tracking / bubble chamber

Neutral-current events survive background tests.

Identify an interaction · Instruments and methods

Checked 2026-10-15

21Historical record

JUNO · Jiangmen

Asia · Scintillator

The first-data publication measures oscillation parameters; it is not a mass-ordering discovery.

Test flavor change · Interpreting evidence

Checked 2026-10-15

03Historical record

DUNE · Sanford far site

North America · Liquid argon

A dated Fermilab fact sheet describes construction, not completed far-detector observations.

Test flavor change · Instruments and methods

Checked 2026-10-15

The instrument is only one point in a network.

A detector in Antarctica, Japan or Canada is not the work of its host alone. Design, analysis, calibration, computing and funding link institutions on different continents. This map does not divide credit among countries.

The selected experiments span different methods and generations; they are not a complete list of facilities. Positions are approximate and show only rough geography. ARCA and ORCA have separate markers because they sit at different sites and ask different questions.

Coastline data: Natural Earth 1:110m, public domain. Independent educational collection by Sandbox Physics. Data terms ↗

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