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Hyper-Kamiokande Experiment: A Snowmass White Paper

High Energy Physics - Experiment 2022-03-10 v2 Instrumentation and Detectors

Abstract

Hyper-Kamiokande (HK) is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande (SK) experiment. The 260,000-ton detector has an 8.4 times larger fiducial volume than its predecessor. HK's low energy threshold combined with the very large fiducial volume make the detector unique; HK is expected to acquire an unprecedented exposure of 3.8 Mton-year over a period of 20 years starting in 2027. It has an extremely diverse science program including long-baseline neutrino oscillation measurements, nucleon decay searches, atmospheric neutrinos, neutrinos from the sun and supernova explosions, and neutrinos from other astrophysical origins. Like DUNE, the flagship project of the U.S. high-energy physics program, HK measures fundamental properties of neutrinos such as the search for leptonic CP violation and neutrino physics beyond the Standard Model.

Keywords

Cite

@article{arxiv.2203.02029,
  title  = {Hyper-Kamiokande Experiment: A Snowmass White Paper},
  author = {J. Bian and F. Di Lodovico and S. Horiuchi and J. G. Learned and C. Mariani and J. Maricic and J. Pedro Ochoa Ricoux and C. Rott and M. Shiozawa and M. B. Smy and H. W. Sobel and R. B. Vogelaar},
  journal= {arXiv preprint arXiv:2203.02029},
  year   = {2022}
}

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Contribution to Snowmass 2021

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