Accepted author manuscript, 6.71 MB, PDF document
Available under license: CC BY: Creative Commons Attribution 4.0 International License
Final published version
Licence: CC BY: Creative Commons Attribution 4.0 International License
Research output: Contribution to Journal/Magazine › Journal article
Research output: Contribution to Journal/Magazine › Journal article
}
TY - JOUR
T1 - Physics potentials with the second Hyper-Kamiokande Detector in Korea
AU - Abe, K.
AU - Abe, Ke
AU - Aihara, H.
AU - Aimi, A.
AU - Akutsu, R.
AU - Andreopoulos, C.
AU - Anghel, I.
AU - Antonova, M.
AU - AshidaK, Y.
AU - Barbi, M.
AU - Barker, G. J.
AU - Barr, G.
AU - Beltrame, P.
AU - Berardi, V.
AU - Bergevin, M.
AU - Berkman, S.
AU - Berry, T.
AU - Bhadra, S.
AU - Blaszczyk, F. d. M.
AU - Blondel, A.
AU - Bolognesi, S.
AU - Bravar, A.
AU - Bronner, C.
AU - Buizza, M.
AU - Cafagna, F. S.
AU - Calland, R.
AU - CaoK, S.
AU - Catanesi, M. G.
AU - Checchia, C.
AU - Chen-Wishart, Z.
AU - Choi, K.
AU - Coleman, J.
AU - Collazuol, G.
AU - Cowan, G.
AU - Cremonesi, L.
AU - Dealtry, T.
AU - Rosa, G. De
AU - Densham, C.
AU - Dewhurst, D.
AU - Drakopoulou, E. L.
AU - Lodovico, F. Di
AU - Drapier, O.
AU - Dunne, P.
AU - Finch, A.
AU - Grant, N.
AU - Kormos, L. L.
AU - Lawe, M.
AU - Nowak, J.
AU - O'Keeffe, H. M.
AU - Ratoff, P. N.
AU - Hyper-Kamiokande Proto-Collaboration
PY - 2018/6/1
Y1 - 2018/6/1
N2 - Hyper-Kamiokande consists of two identical water-Cherenkov detectors of total 520 kt, with the first one in Japan at 295 km from the J-PARC neutrino beam with 2.5 degrees off-axis angles (OAAs), and the second one possibly in Korea at a later stage. Having the second detector in Korea would benefit almost all areas of neutrino oscillation physics, mainly due to longer baselines. There are several candidate sites in Korea with baselines of 1000-1300 km and OAAs of 1 degrees-3 degrees.We conducted sensitivity studies on neutrino oscillation physics for a second detector, either in Japan (JD x 2) or Korea (JD + KD), and compared the results with a single detector in Japan. Leptonic charge-parity (CP) symmetry violation sensitivity is improved, especially when the CP is non-maximally violated. The larger matter effect at Korean candidate sites significantly enhances sensitivities to non-standard interactions of neutrinos and mass ordering determination. Current studies indicate the best sensitivity is obtained at Mt. Bisul (1088 km baseline, 1.3 degrees OAA). Thanks to a larger (1000 m) overburden than the first detector site, clear improvements to sensitivities for solar and supernova relic neutrino searches are expected.
AB - Hyper-Kamiokande consists of two identical water-Cherenkov detectors of total 520 kt, with the first one in Japan at 295 km from the J-PARC neutrino beam with 2.5 degrees off-axis angles (OAAs), and the second one possibly in Korea at a later stage. Having the second detector in Korea would benefit almost all areas of neutrino oscillation physics, mainly due to longer baselines. There are several candidate sites in Korea with baselines of 1000-1300 km and OAAs of 1 degrees-3 degrees.We conducted sensitivity studies on neutrino oscillation physics for a second detector, either in Japan (JD x 2) or Korea (JD + KD), and compared the results with a single detector in Japan. Leptonic charge-parity (CP) symmetry violation sensitivity is improved, especially when the CP is non-maximally violated. The larger matter effect at Korean candidate sites significantly enhances sensitivities to non-standard interactions of neutrinos and mass ordering determination. Current studies indicate the best sensitivity is obtained at Mt. Bisul (1088 km baseline, 1.3 degrees OAA). Thanks to a larger (1000 m) overburden than the first detector site, clear improvements to sensitivities for solar and supernova relic neutrino searches are expected.
KW - hep-ex
KW - hep-ph
KW - physics.ins-det
U2 - 10.1093/ptep/pty044
DO - 10.1093/ptep/pty044
M3 - Journal article
VL - 2018
JO - Progress of Theoretical and Experimental Physics
JF - Progress of Theoretical and Experimental Physics
SN - 2050-3911
IS - 6
M1 - 063C01
ER -