Neutrino mass constraint from CMB and its degeneracy with other cosmological parameters

Details Neutrino mass constraint from CMB and its degeneracy with other cosmological parameters Neutrino mass constraint from CMB and its degeneracy with other cosmological parameters

2007-11-16

arxiv.org/abs/0711.2622v1

J.Phys.Conf.Ser.120:022004,2008

Astronomy and Astrophysics

Astrophysics

3 pages, 2 figures, prepared for the TAUP2007 Proceedings

Scientific paper

10.1088/1742-6596/120/2/022004

We show that the cosmic microwave background (CMB) data of WMAP can give
subelectronvolt limit on the neutrino mass: m_nu < 0.63 eV (95% CL). We also
investigate its degeneracy with other cosmological parameters. In particular,
we show the Hubble constant derived from the WMAP data decreases considerably
when the neutrino mass is a few times 0.1 eV.

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