Volume 485 - The European Physical Society Conference on High Energy Physics (EPS-HEP2025) - T03 Neutrino Physics
Status, plans, and physics potential of the Hyper-Kamiokande experiment
J. Lagoda
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Abstract
Hyper-Kamiokande is a next-generation underground water Cherenkov detector currently under construction in Japan. Thanks to a fiducial volume more than eight times larger than that of the currently operating Super-Kamiokande, and enhanced detection capabilities, Hyper-Kamiokande is expected to significantly surpass the sensitivities of its predecessors, Super-Kamiokande and T2K.
The project offers a comprehensive and ambitious science program. The experiment will investigate neutrino oscillations, using neutrinos from both natural sources---such as the Sun and cosmic ray interactions in the Earth's atmosphere---and an upgraded, intense neutrino beam produced at J-PARC, for which Hyper-Kamiokande will serve as the far detector. In addition, the experiment will explore neutrinos from astrophysical sources, including galactic core-collapse supernovae and the diffuse supernova neutrino background (DSNB). Hyper-Kamiokande will also conduct searches for rare processes such as proton decays.
This article provides an overview of the Hyper-Kamiokande experiment, including its design, physics goals, projected sensitivities, and current status.
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