Constraints on Sterile Neutrino Oscillations using DUNE Near Detector

Abstract

DUNE (Deep Underground Neutrino Experiment) is a proposed long-baseline neutrino experiment in the US with a baseline of 1300 km from Fermi National Accelerator Laboratory (Fermilab) to Sanford Underground Research Facility, which will house a 40 kt Liquid Argon Time Projection Chamber (LArTPC) as the far detector. The experiment will also have a fine grained near detector for accurately measuring the initial fluxes. We show that the energy range of the fluxes and baseline of the DUNE near detector is conducive for observing ${\nu }_{\mu }\to {\nu }_e$ oscillations of $\Delta m^2\sim$ eV${}^2$ scale sterile neutrinos, and hence can be effectively used for testing to very high accuracy the reported oscillation signal seen by the LSND and MiniBooNE experiments. We study the sensitivity of the DUNE near detector to sterile neutrino oscillations by varying the baseline, detector fiducial mass and systematic uncertainties. We find that the detector mass and baseline of the currently proposed near detector at DUNE will be able to test the entire LSND parameter region with good precision. The dependence of sensitivity on baseline and detector mass is seen to give interesting results, while dependence on systematic uncertainties is seen to be small.

16 pages, 5 figures

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Cited by in corpus (22)

• Updated Global 3+1 Analysis of Short-BaseLine Neutrino Oscillations
• Octant of ${\theta }_{23}$ in danger with a light sterile neutrino
• Imprints of a light Sterile Neutrino at DUNE, T2HK and T2HKK
• DUNE sensitivities to the mixing between sterile and tau neutrinos
• Measuring the Sterile Neutrino CP Phase at DUNE and T2HK
• Searches for new physics at the Hyper-Kamiokande experiment
• Can we probe intrinsic CP/T violation and non-unitarity at long baseline accelerator experiments?
• Probing Direct and Indirect Unitarity Violation in Future Accelerator Neutrino Facilities
• Sensitivities to charged-current nonstandard neutrino interactions at DUNE
• Exploring the Potential of Short-Baseline Physics at Fermilab
• The Effect of a Light Sterile Neutrino at NO$\nu$A and DUNE
• False Signals of CP-Invariance Violation at DUNE
• Study of parameter degeneracy and hierarchy sensitivity of NO$\nu$A in presence of sterile neutrino
• What measurements of neutrino neutral current events can reveal
• Light sterile neutrino sensitivity of 163Ho experiments
• Probing Source and Detector NSI parameters at the DUNE Near Detector
• Non-Unitarity at DUNE and T2HK with Charged and Neutral Current Measurements
• On ${\theta }_{23}$ Octant Measurement in $3+1$ Neutrino Oscillations in T2HKK
• Exploring fake solutions in the sterile neutrino sector at long-baseline experiments
• Baseline and other effects for a sterile neutrino at DUNE
• Updated sensitivity of DUNE in 3+1 scenario with far and near detectors
• New physics from oscillations at the DUNE near detector, and the role of systematic uncertainties