Signals of CPT Violation and Non-Locality in Future Neutrino Oscillation Experiments

Abstract

We investigate the sensitivities of future neutrino oscillation experiments for measuring the neutrino mass squared differences and leptonic mixing angles independently with neutrinos and anti-neutrinos. We update the expected sensitivities of Neutrino Factories to the "atmospheric" (anti-)neutrino parameters using an optimized setup. A dedicated beta-Beam facility, in combination with a SPMIN reactor experiment, could give excellent sensitivities also to the "solar" parameters, for neutrinos and anti-neutrinos respectively. A signal of a different mass matrix for neutrinos and anti-neutrinos would imply CPT violation and non-locality of the underlying particle theory.

Minor corrections, 15 pages, 11 eps figures

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• Extrinsic and Intrinsic CPT Asymmetries in Neutrino Oscillations
• Short-Baseline antinu_mu -> antinu_e Oscillations
• CPT invariance and neutrino physics
• Implications of a matter-antimatter mass asymmetry in Penning-trap experiments
• Testing New Physics in Oscillations at a Neutrino Factory
• EUROnu-WP6 2010 Report