Cosmological constraints on neutrino plus axion hot dark matter: update after WMAP-5
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
- Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C (Denmark)
We update our previous constraints on two-component hot dark matter (axions and neutrinos), including the recent WMAP five-year data release. Marginalizing over {Sigma}m{sub {nu}} provides m{sub a}<1.02 eV (95% C.L.) for the axion mass. In the absence of axions we find {Sigma}m{sub {nu}}<0.63 eV (95% C.L.)
- OSTI ID:
- 22137844
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Vol. 2008, Issue 04; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
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