Hyper-Kamiokande
Neutrino observatory in Japan / From Wikipedia, the free encyclopedia
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Hyper-Kamiokande (also called Hyper-K or HK) is a neutrino observatory and experiment under construction in Hida, Gifu and in Tokai, Ibaraki in Japan. It is conducted by the University of Tokyo and the High Energy Accelerator Research Organization (KEK), in collaboration with institutes from over 20 countries across six continents.[1][2] As a successor of the Super-Kamiokande (also Super-K or SK) and T2K experiments, it is designed to search for proton decay and detect neutrinos from natural sources such as the Earth, the atmosphere, the Sun and the cosmos, as well as to study neutrino oscillations of the man-made accelerator neutrino beam.[3]: 6, 20–28 The beginning of data-taking is planned for 2027.[4]
The Hyper-Kamiokande experiment facility will be located in two places:
- The neutrino beam will be produced in the accelerator complex J-PARC (36.445°N 140.606°E / 36.445; 140.606) and studied by the set of near and intermediate detectors located in Tokai village, Ibaraki prefecture, on the east coast of Japan.[3]: 31
- The main detector, also called Hyper-Kamiokande (HK), is being constructed under the peak of Nijuugo Mountain in Hida city, Gifu Prefecture, in the Japanese Alps (36°21′20.105″N 137°18′49.137″E[3]: 56 ). The HK detector will be used for proton decay searches, studies of neutrinos from natural sources and will serve as a far detector for the measurement of the oscillations of an accelerator neutrino beam at the distance corresponding to the first oscillation maximum.[3]: 53–56 [5]