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Quantum Decoherence effects on precision measurements at DUNE and T2HK (2402.16395v2)

Published 26 Feb 2024 in hep-ph and hep-ex

Abstract: We investigate the potential impact of neutrino quantum decoherence on the precision measurements of standard neutrino oscillation parameters in the DUNE and T2HK experiments. We show that the measurement of $\delta_\text{CP}$, $\sin2\theta_{13}$ and $\sin2\theta_{23}$ is stronger effected in DUNE than in T2HK. On the other hand, DUNE would have a better sensitivity than T2HK to observe decoherence effects. By performing a combined analysis of DUNE and T2HK we show that a robust measurement of standard parameters would be possible, which is not guaranteed with DUNE data alone.

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