Sterile Neutrino as Dark Matter candidate from CMB alone

Details Sterile Neutrino as Dark Matter candidate from CMB alone Sterile Neutrino as Dark Matter candidate from CMB alone

2007-01-11

arxiv.org/abs/astro-ph/0701331v2

Astronomy and Astrophysics

Astrophysics

to appear in Proceedings of Eleventh Marcel Grossmann Meeting on General Relativity (5 pages, 1 figure)

Scientific paper

Distortions of CMB temperature and polarization maps caused by gravitational
lensing, observable with high angular resolution and sensitivity, can be used
to constrain the sterile neutrino mass, m_s, from CMB data alone. We forecast
m_s>1.75 keV from Planck and m_s>4.97 keV from Inflation Probe at 95% CL, by
using the CMB weak lensing extraction.

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