Exploring leptonic CP violation by reactor and neutrino superbeam experiments |
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Authors: | Hisakazu Minakata Hiroaki Sugiyama |
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Institution: | Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan |
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Abstract: | We point out the possibility that reactor measurement of θ13, when combined with high-statistics νe appearance accelerator experiments, can detect leptonic CP violation. Our proposal is based on a careful statistical analysis under reasonable assumptions on systematic errors, assuming 2 years running of the neutrino mode J-PARC → Hyper-Kamiokande experiment and a few years running of a reactor experiment with 100 t detectors at the Kashiwazaki–Kariwa nuclear power plant. We show that the method can be arranged to be insensitive to the intrinsic parameter degeneracy but is affected by the one due to unknown sign of Δm231. |
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