Sub-eV upper limits on neutrino masses from cosmology

Abstract

Upper limits on neutrino masses from cosmology have been reported recently to reach the impressive sub-eV level, which is competitive with future terrestrial neutrino experiments. In this brief review of the latest limits from cosmology we point out some of the caveats that should be borne in mind when interpreting the significance of these limits.

2 pages, 1 figure. Contribution to the proceedings from SNOW 2006, Stockholm, May 2-6, 2006

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