Results of a Search for Cold Flows of Dark Matter Axions

Details Results of a Search for Cold Flows of Dark Matter Axions Results of a Search for Cold Flows of Dark Matter Axions

2005-05-11

arxiv.org/abs/astro-ph/0505237v1

Phys.Rev.Lett.95:091304,2005

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.95.091304

Theoretical arguments predict that the distribution of cold dark matter in spiral galaxies has peaks in velocity space associated with non-thermalized flows of dark matter particles. We searched for the corresponding peaks in the spectrum of microwave photons from axion to photon conversion in the cavity detector of dark matter axions. We found none and place limits on the density of any local flow of axions as a function of the flow velocity dispersion over the axion mass range 1.98 to 2.17 $\mu$eV.

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