Exploring the Potential of Short-Baseline Physics at Fermilab

Abstract

We study the capabilities of the short baseline neutrino program at Fermilab to probe the unitarity of the lepton mixing matrix. We find the sensitivity to be slightly better than the current one. Motivated by the future DUNE experiment, we have also analyzed the potential of an extra liquid Argon near detector in the LBNF beamline. Adding such a near detector to the DUNE setup will substantially improve the current sensitivity on non-unitarity. This would help to remove CP degeneracies due to the new complex phase present in the neutrino mixing matrix. We also study the sensitivity of our proposed setup to light sterile neutrinos for various configurations.

16 pages, 9 figures, 2 tables. Matches with PRD version

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Cited by in corpus (16)

• The Present and Future Status of Heavy Neutral Leptons
• Physics with Beam Tau-Neutrino Appearance at DUNE
• Snowmass White Paper: Beyond the Standard Model effects on Neutrino Flavor
• Future CEvNS experiments as probes of lepton unitarity and light-sterile neutrinos
• Non-unitary neutrino mixing in short and long-baseline experiments
• Dark matter as the origin of neutrino mass in the inverse seesaw mechanism
• Constraints on light singlet fermion interactions from coherent elastic neutrino-nucleus scattering
• Model-Independent Constraints on Non-Unitary Neutrino Mixing from High-Precision Long-Baseline Experiments
• Nonunitarity of the lepton mixing matrix at the European Spallation Source
• Probing Source and Detector NSI parameters at the DUNE Near Detector
• Non-Unitarity at DUNE and T2HK with Charged and Neutral Current Measurements
• Non-standard interactions versus planet-scale neutrino oscillations
• Leptonic neutral-current probes in a short-distance DUNE-like setup
• Baseline and other effects for a sterile neutrino at DUNE
• New physics from oscillations at the DUNE near detector, and the role of systematic uncertainties
• Impact of unitarity violation on sensitivity of the leptonic CP phase at Hyper-Kamiokande and DUNE