We have conducted sensitivity studies on an alternative configuration of the
Hyper-Kamiokande experiment by locating the 2nd Hyper-Kamiokande detector in
Korea at $sim$1100$- $1300 km baseline. Having two detectors at different
baselines improves sensitivity to leptonic CP violation, neutrino mass ordering
as well as nonstandard neutrino interactions. There are several candidate sites
in Korea with greater than 1 km high mountains ranged at an 1$-$3 degree
off-axis angle. Thanks to larger overburden of the candidate sites in Korea,
low energy physics, such as solar and supernova neutrino physics as well as
dark matter search, is expected to be improved. In this paper sensitivity
studies on the CP violation phase and neutrino mass ordering are performed
using current T2K systematic uncertainties in most cases. We plan to improve
our sensitivity studies in the near future with better estimation of our
systematic uncertainties.
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