A Monochromatic Neutrino Beam for U(e3) and CP-Phase
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The goal for future neutrino facilities is the determination of the $[U_{e3}]$ mixing and CP violation in neutrino oscillations. This will require precision experiments with a very intense neutrino source. Here a novel method to create a monochromatic neutrino beam based on the recent discovery of nuclei that decay fast through electron capture is discussed. The boost of such radioactive ions will generate a monochromatic directional neutrino beam when decaying at high energy in a storage ring with long straight sections. We show that the capacity of such a facility to discover new physics is impressive, so that the principle of energy dependence in the oscillation probability of the $ν_e \to ν_μ$ channel is operational to separate out the two parameters of the mixing $θ_{13}$ and of the CP-violating phase $δ$.
16 pages, 7 figures, Proc. 3rd. International Workshop on NO-VE: Neutrino Oscillations in Venice, 7-10 February 2006, Venice
16 pages, 7 figures, Proc. 3rd. International Workshop on NO-VE: Neutrino Oscillations in Venice, 7-10 February 2006, Venice