Four-Neutrino Mixing
Abstract
Description
It is shown that at least four massive neutrinos are needed in order to accommodate the evidences in favor of neutrino oscillations found in solar and atmospheric neutrino experiments and in the LSND experiment. Among all four-neutrino schemes, only two are compatible with the results of all neutrino oscillation experiments. These two schemes have a mass spectrum composed of two pairs of neutrinos with close masses separated by the "LSND gap" of the order of 1 eV.
14 pages. Talk presented at the 23rd Johns Hopkins Workshop on Current Problems in Particle Theory, Neutrinos in the Next Millennium, Johns Hopkins University, Baltimore MD, June 10-12, 1999
14 pages. Talk presented at the 23rd Johns Hopkins Workshop on Current Problems in Particle Theory, Neutrinos in the Next Millennium, Johns Hopkins University, Baltimore MD, June 10-12, 1999