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Atmospheric, Solar, and CHOOZ neutrinos: a global three generation analysis

G. L. Fogli, E. Lisi, A. Marrone, D. Montanino, A. Palazzo

hep-pharXiv:hep-ph/0104221

Abstract

We perform a global three generation analysis of the current solar and atmospheric evidence in favor of neutrino oscillations. We also include the negative results coming from CHOOZ to constrain the nue mixing. We study the zones of mass-mixing oscillations parameters compatible with all the data. It is shown that almost pure numu <--> nutau oscillations are required to explain the atmospheric neutrino anomaly and almost pure nu1 <--> nu2 oscillations to account for the solar neutrino deficit.

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