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October 31, 2018 to November 4, 2018
UBC Robson Square
America/Vancouver timezone

Systematics in Hyper-Kamiokande experiment

Nov 2, 2018, 2:55 PM
Theatre (Room C300) (UBC Robson Square)

Theatre (Room C300)

UBC Robson Square

800 Robson St, Vancouver, BC V6Z 3B7


Tomoyo Yoshida (Tokyo Institute of Technology)


Hyper-Kamiokande is a next-generation underground water-Cherenkov detector, which is to be constructed from 2020. The physics program of Hyper-K includes a nucleon-decay search, a CP-phase measurement in the lepton sector with an accelerator neutrino beam, the determination of the neutrino mass hierarchy with atmospheric neutrinos, and the observation of astrophysical neutrinos. Thanks to the large water volume of the detector and planned beam power upgrade of J-PARC, the CP-phase measurement is expected to be limited by systematics rather than statistics after several years of operation. The main sources of systematics are the neutrino beam flux, neutrino-nucleus interaction modeling, final-state and secondary interactions of hadrons, and detector mis-modeling. In this talk, our current understanding of these uncertainties, ongoing work including efforts by the T2K and Super-K collaborations, and future strategies are presented.

Primary author

Tomoyo Yoshida (Tokyo Institute of Technology)

Presentation materials