Publications

This paper presents the expected sensitivity to the neutrino oscillation parameters of the Hyper-Kamiokande long-baseline program. The Hyper-Kamiokande experi- ment, currently under construction in Japan, will measure the oscillations of accelerator-produced neutrinos with thou- sands of selected events per sample: this corresponds to an increase of statistics of a factor 25 to 100 with respect to recent results from the currently-running long-baseline neutrino oscillation experiment in Japan, T2K. In the most favorable scenario we will achieve the discovery of Charge- Parity (CP) violation in neutrino oscillation at 5σ \mathrm{C.L.} in less than three years. With 10 years of data-taking, and as- suming a neutrino : antineutrino beam running ratio of 1:3, a CP violation discovery at 5σ \mathrm{C.L.} is possible for more than 60% of the actual values of the CP-violating phase, \delta_{CP}. Moreover, we will measure \delta_{CP} with a precision ranging from 20◦, in the case of maximal CP violation, to 6◦, in the case of CP conservation. We aim to achieve a 0.5% resolu- resolution on the \Delta_{m32} parameter, and a resolution between 3% and 0.5% on the \sin^{2} θ23 parameter, depending on its true value. These results are obtained by extending the analysis methods of T2K with dedicated tuning to take into account the Hyper-Kamiokande design: the larger far detector, the more powerful beam, the upgraded near detector ND280, and the planned additional Intermediate Water Cherenkov Detector

This poster presents the energy scale cross-calibration of the Hyper-Kamiokande detector using a Deuterium-Tritium neutron generator. The calibration is crucial for accurate neutrino detection and measurement.