Possible tau appearance experiment with atmospheric neutrinos

Abstract

We suggest an experimental measurement that could detect the appearance of the tau neutrinos in muon to tau neutrino oscillations of atmospheric neutrinos by measuring the energy spectra of neutrino induced showers. Tau neutrinos deposit a large fraction of their energy in showers generated in CC interactions and the subsequent tau--lepton decay. The appearance of tau neutrinos will enhance the spectrum of neutrino induced showers in energy ranges corresponding to the neutrino oscillation parameters. A shower rate lower than the `no oscillation' prediction is an indication for oscillations into sterile neutrinos.

arXiv commentRevTeX, four pages with 4 postscript figures

References in corpus (7)

• Evidence for oscillation of atmospheric neutrinos
• Measurement of the flux and zenith-angle distribution of upward through-going muons by Super-Kamiokande
• Measurement of a small atmospheric ${\nu }_{\mu }/{\nu }_e$ ratio
• Study of the atmospheric neutrino flux in the multi-GeV energy range
• Atmospheric neutrino flux above 1 GeV
• Tau neutrino fluxes from atmospheric charm
• Comparison of ν_μ<-> ν_τand and ν_μ<-> ν_s oscillations as solutions of the atmospheric neutrino problem

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• Tau Neutrino Astronomy in GeV Energies
• A semi-analytic calculation on the atmospheric tau neutrino flux in the GeV to TeV energy range
• Tau Neutrino Identification in Atmospheric Neutrino Oscillations Without Particle Identification or Unitarity
• The prompt TeV-PeV atmospheric neutrino window
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• Measuring the Spectra of High Energy Neutrinos with a Kilometer-Scale Neutrino Telescope
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• Excess of Tau events at SND@LHC, FASER$\nu$ and FASER$\nu$2