Abstract
Abstract One of the fundamental goals of the neutrino program over the next decade will be to look for leptonic CP violation and precisely determine its magnitude. Neutrino oscillation measurements are frequently conducted with a near-site detector for constraining the flux and neutrino interaction models and a far-site monolithic massive detector for measuring the oscillated spectrum pattern. In this work, we present an investigation of an alternative experimental configuration to improve the CP violation measurement sensitivity by using multiple sub-detectors while keeping the overall detector mass constant and placing them at different baselines. The study makes use of neutrino beams from the T2HK, DUNE and ESSνSB experiments. It is found that the coverage of true δCP values that can be explored with ≥ 5σ C.L. improves significantly after deploying multiple far detectors, instead of the conventional single far-detector technique.
Published Version
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