Construction of the largest neutrino telescope. Free Technical Library News

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Construction of the largest neutrino telescope

18.02.2020

Japan approved the project of the largest neutrino telescope. The Hyper-Kamiokande detector will be installed next to the Kamioka mine, which already houses the Super-Kamiokande.

The new telescope will be located underground, at a depth of 650 meters. This is enough to screen most foreign particles - cosmic and terrestrial.

The "heart" of the new telescope will be a reservoir with a billion liters of pure water - eight and a half times more than that of the "Super-Kamiokande". The reservoir will be surrounded by several thousand highly sensitive photographic recorders designed to record neutrino events proper.

It will not be the neutrinos themselves that will be registered, which remain invisible, but high-energy particles, most often electrons, "knocked out" of matter in those rare cases when the all-penetrating neutrino still interacts with it. The particle then moves at a speed exceeding the speed of light in a given medium (in water), and intensively spends energy on Cherenkov radiation, the flashes of which are recorded by devices.

Scientists hope that the huge reservoirs of the installation will allow, in addition to registering neutrinos, to "catch" the decay of a proton.

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