Abstract

Information about neutrino masses was obtained from neutrino oscillation experiments, experiments on the precise measurement of the end-point part of the β-spectrum of 3H and from cosmological data. From analysis of the data of the neutrino oscillation experiments the values of two neutrino mass-squared differences were determined. From 3H experiments the upper bound on the effective neutrino mass was obtained. From cosmological measurements an upper bound of the sum of the neutrino masses can be inferred. In spite absolute values of neutrino masses at present are not known from these data we can conclude

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