2008/03/31 by Steen Hannestad, S Hannestad, A Mirizzi +5 · 56 citations
Physics and Astronomy · #Axion #CMB cold spot #Cosmic background radiation #Cosmology #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Dark energy #Dark matter #Hot dark matter #Neutrino #Particle physics theoretical and experimental studies #astro-ph #hep-ph
paper · pdf · doi:10.1088/1475-7516/2008/04/019
published in Journal of Cosmology and Astroparticle Physics 2008(04), 019 (Institute of Physics) · 4 pages, 1 figure, uses iopart.cls; v2 matches published version
arxiv created 2008/04/08 · openalex publication_date 2008/04/15 · arxiv updated 2010/05/12 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We update our previous constraints on two-component hot dark matter (axions and neutrinos), including the recent WMAP five-year data release. Marginalizing over provides m a <1.02 eV (95% C.L.) for the axion mass. In the absence of axions we find eV (95% C.L.).