Nonstandard interactions in solar neutrino oscillations with Hyper-Kamiokande and JUNO


There is currently about a 2σ tension in measurements of the neutrino mass splitting, δm21 ≡ m2 − m1, from solar and reactor neutrino experiments [1]. The discrepancy mainly arises from the measurement of the daynight asymmetry in the Super-Kamiokande (SK) experiment [2]. The latest SK combined measurement of the day-night asymmetry is ASK DN ≡ 2(ΦD−ΦN… (More)

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