1965 Kolar Gold and South Africa experiments : Located in India, in the Kolar Gold Field mine, 7500 m underground, the KGF detector was looking for muons produced by atmospheric neutrinos, resulting from cosmic rays interaction with Earth’s atmosphere. It was made of 3m walls of plastic scintillators, Neon flash tubes and photomultipliers. The experiment discovered the… Lire la suite Kolar