Interpretation of Neutrino Oscillation Experiments

We analyze the evidence for solar and atmospheric neutrino oscillations in a common three-flavor oscillation framework, including the most recent Super-Kamiokande data, as well as the constraints on nu(e) mixing coming from the CHOOZ reactor experiment. We investigate the regions of the mass-mixing parameter space compatible with the data, emphasizing several new interesting features. In particular, we show that bimaximal mixing of atmospheric and solar neutrinos is possible also within the MSW solution to the solar neutrino proble