Construction status and prospects of the Hyper-Kamiokande project
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Date
2022-03-18
Publication Type
Conference Paper
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yes
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Abstract
The Hyper-Kamiokande project is a 258-kton Water Cherenkov together with a 1.3-MW high-intensity neutrino beam from the Japan Proton Accelerator Research Complex (J-PARC). The inner detector with 186-kton fiducial volume is viewed by 20-inch photomultiplier tubes (PMTs) and multi-PMT modules, and thereby provides state-of-the-art of Cherenkov ring reconstruction with thresholds in the range of few MeVs. The project is expected to lead to precision neutrino oscillation studies, especially neutrino CP violation, nucleon decay searches, and low energy neutrino astronomy. In 2020, the project was officially approved and construction of the far detector was started at Kamioka. In 2021, the excavation of the access tunnel and initial mass production of the newly developed 20-inch PMTs was also started. In this paper, we present a basic overview of the project and the latest updates on the construction status of the project, which is expected to commence operation in 2027.
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Publication status
published
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Editor
Book title
Proceedings of 37th International Cosmic Ray Conference
Journal / series
Volume
395
Pages / Article No.
1192
Publisher
Sissa Medialab
Event
37th International Cosmic Ray Conference (ICRC 2021)
Edition / version
Methods
Software
Geographic location
Date collected
Date created
Subject
Neutrons; Particle detectors; Cherenkov; Japan proton accelerator research complexes; Neutrino beams; Neutrino oscillations
Organisational unit
02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics