Nonstandard interaction effects on neutrino parameters at medium-baseline reactor antineutrino experiments

Abstract

Precision measurements of leptonic mixing parameters and the determination of the neutrino mass hierarchy are the primary goals of the forthcoming medium-baseline reactor antineutrino experiments, such as JUNO and RENO-50. In this work, we investigate the impact of nonstandard neutrino interactions (NSIs) on the measurements of {sin^2 theta_{12}, Delta m^2_{21}} and {sin^2 theta_{13}, Delta m^2_{31}}, and on the sensitivity to the neutrino mass hierarchy, at the medium-baseline reactor experiments by assuming a typical experimental setup. It turns out that the true mixing parameter sin^2 theta_{12} can be excluded at a more than 3 sigma level if the NSI parameter varepsilon_{e mu} or varepsilon_{e tau} is as large as 2% in the most optimistic case. However, the discovery reach of NSI effects has been found to be small, and depends crucially on the CP-violating phases. Finally, we show that NSI effects could enhance or reduce the discrimination power of the JUNO and RENO-50 experiments between the normal and inverted neutrino mass hierarchies.

18 pages, 7 figures, references updated, matches the published version

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Cited by in corpus (22)

• Neutrino Physics with JUNO
• Non standard neutrino interactions
• Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects
• A model for large non-standard interactions of neutrinos leading to the LMA-Dark solution
• Non-Standard Interactions in propagation at the Deep Underground Neutrino Experiment
• Shedding light on LMA-Dark solar neutrino solution by medium baseline reactor experiments: JUNO and RENO-50
• Non-standard neutrino interactions in $U(1{)}^{\prime }$ model after COHERENT data
• The Daya Bay and T2K results on ${\sin }^{2}2{\theta }_{13}$ and Non-Standard Neutrino Interactions
• Sizable NSI from the $SU(2{)}_L$ scalar doublet-singlet mixing and the implications in DUNE
• Constraining new physics scenarios in neutrino oscillations from Daya Bay data
• Global Analysis of the Source and Detector Nonstandard Interactions Using the Short Baseline Neutrino- and Antineutrino-Electron Scattering Data
• ${\sin }^2(\theta )w$ estimate and bounds on nonstandard interactions at source and detector in the solar neutrino low-energy regime
• Neutrino oscillations and Non-Standard Interactions
• Probing new physics scenarios in accelerator and reactor neutrino experiments
• Probing nonstandard lepton number violating interactions in neutrino oscillations
• Shifts of neutrino oscillation parameters in reactor antineutrino experiments with non-standard interactions
• Tests of Lorentz and CPT Violation in the Medium Baseline Reactor Antineutrino Experiment
• Constraining Sterile Neutrinos Using Reactor Neutrino Experiments
• Short Baseline Reactor Antineutrino-Electron Scattering Experiments and Non-Standard Neutrino Interactions at Source and Detector
• Neutrino Oscillations at JUNO, the Born Rule, and Sorkin's Triple Path Interference
• Non-standard interactions and neutrinos from dark matter annihilation in the Sun
• JUNO's prospects for determining the neutrino mass ordering