Combining CPT-conjugate Neutrino channels at Fermilab

Abstract

We explore an alternative strategy to determine the neutrino mass hierarchy by making use of possible future neutrino facilities at Fermilab. Here, we use CPT-conjugate neutrino channels, exploiting a nu_mu beam from the NuMI beamline and a barnu_e beam from a betabeam experimental setup. Both experiments are performed at approximately the same E/L. We present different possible accelerator scenarios for the betabeam neutrino setup and fluxes. This CPT-conjugate neutrino channel scenario can extract the neutrino mass hierarchy down to sin^2 (2 theta_13) \approx 0.02.

21 pages, 9 figures

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• Exceptional Sensitivity to Neutrino Parameters with a Two Baseline Beta-Beam Set-up
• A combined beta-beam and electron capture neutrino experiment
• Some aspects of neutrino mixing and oscillations
• Optimizing the green-field beta beam: Small versus large theta_13
• Optimisation of future long baseline neutrino experiments