Constraining neutrino decays with CMBR data

Details Constraining neutrino decays with CMBR data Constraining neutrino decays with CMBR data

1998-04-07

arxiv.org/abs/astro-ph/9804075v1

Phys.Lett. B431 (1998) 363-367

Astronomy and Astrophysics

Astrophysics

4 pages, 3 postscript figures, submitted to Phys. Lett. B

Scientific paper

10.1016/S0370-2693(98)00504-8

The decay of massive neutrinos to final states containing only invisible particles is poorly constrained experimentally. In this letter we describe the constraints that can be put on neutrino mass and lifetime using CMBR measurements. We find that very tight lifetime limits on neutrinos in the mass range 10 eV - 100 keV can be derived using CMBR data from upcoming satellite measurements.

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