Search for CP Violation with a Neutrino Factory

Morimitsu Tanimoto

doi:10.1016/S0370-2693(99)00879-5

paper

Search for CP Violation with a Neutrino Factory

arXiv:hep-ph/9906516 · doi:10.1016/S0370-2693(99)00879-5

Abstract

We have discussed the search of the genuine CP violation in a neutrino factory, in which well known neutrino beams are provided by a high intensity muon storage ring. Both $ΔP(\n_\a \Ar \n_\b)$ and CP odd asymmetry $A_{C P}$ in neutrino oscillations are investigated by taking account of the atmospheric neutrino data and the solar neutrino data. If the large mixing angle MSW solution is taken, the magnitude of $ΔP(\n_e \Ar \n_\m)$ could be 1%. If $s_{13}$ is lower than 0.05 with the maximal CP violating phase, the matter effect is negligible in $ΔP(\n_e \Ar \n_\m)$ and $A_{C P}$ . We have proposed how to extract the genuine CP violation effect in the three family scheme from the neutrino oscillation data $ΔP(\n_e \Ar \n_\m)$, $ΔP(\n_\m \Ar \n_e)$ and $ΔP(\n_e \Ar \n_τ)$.

LaTeX, 16 pages, 5 figures, Added references, A comment about matter density is added

Search for CP Violation with a Neutrino Factory

Abstract

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