Terrestrial Neutrino Oscillations Illustrated
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Observations of atmospheric neutrinos offer compelling evidence that neutrinos have mass and do oscillate. Preliminary data are compatible with maximal $ν_μ$--$ν_τ$ mixing, but not with pure $ν_μ$--$ν_e$ mixing. In a general three-family scenario with just one relevant squared-mass difference, atmospheric neutrino oscillations involve two mixing angles. The special cases mentioned above are not favored by convincing theoretical arguments. As more precise data are accumulated, both at Superkamiokande and at proposed or ongoing long-baseline experiments, it will become feasible and desirable to measure both angles. To this end, we offer a brief portfolio of illustrations from which the qualitative effects of the two mixing angles on various observable quantities can be discerned.
9 pages, 6 figures included as EPS files
9 pages, 6 figures included as EPS files