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Axionic hot dark matter in the hadronic axion window

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Nov 1998Embargo end date: 01 Jan 1998 United States Publisher:Elsevier BVJournal:Physics Letters B, volume 440, pages 69-76 (issn: 0370-2693,

Authors: Hitoshi Murayama; Hitoshi Murayama; Takeo Moroi;

doi: 10.1016/s0370-2693(98)01091-0 , 10.48550/arxiv.hep-ph/9804291

arXiv: http://arxiv.org/abs/hep-ph/9804291

Axionic hot dark matter in the hadronic axion window

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Abstract

Mixed dark matter scenario can reconcile the COBE data and the observed large scale structure. So far the massive neutrino with a mass of a few eV has been the only discussed candidate for the hot dark matter component. We point out that the hadronic axion in the so-called hadronic axion window, f_a \sim 10^6 GeV, is a perfect candidate as hot dark matter within the mixed dark matter scenario. The current limits on the hadronic axion are summarized. The most promising methods to verify the hadronic axion in this window are the resonant absorption of almost-monochromatic solar axions from M1 transition of the thermally excited $^{57}$Fe in the Sun, and the observation of the ``axion burst'' in water ��erenkov detectors from another supernova.

12 pages, 1 figure, LaTeX2e, epsf.sty. Discussions on Moriyama's proposal to detect solar axions without relying on axion-photon-photon coupling and Haxton-Lee bound on axion-nucleon coupling are added. Conclusions unchanged

Country

United States

Related Organizations

University of California System
United States
University of North Texas
United States
University of California, Berkeley
United States
Department of Physics University of California San Diego
United States
Lawrence Berkeley National Laboratory
United States

Keywords

Nonluminous Matter, Axions, Astrophysics (astro-ph), Water, FOS: Physical sciences, Astrophysics, 530, 72 Physics Of Elementary Particles And Fields, Absorption, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Physics of elementary particles and fields, Neutrinos

1 Research products, page 1 of 1

New Dark Matter Candidate: Nonthermal Sterile Neutrinos
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