Search for Dark Matter from the Galactic Halo with the IceCube Neutrino Observatory

Details Search for Dark Matter from the Galactic Halo with the IceCube Neutrino Observatory Search for Dark Matter from the Galactic Halo with the IceCube Neutrino Observatory

2011-01-17

arxiv.org/abs/1101.3349v1

Phys.Rev.D84:022004,2011

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

12pages, 13figures

Scientific paper

10.1103/PhysRevD.84.022004

Self-annihilating or decaying dark matter in the Galactic halo might produce high energy neutrinos detectable with neutrino telescopes. We have conducted a search for such a signal using 276 days of data from the IceCube 22-string configuration detector acquired during 2007 and 2008. The effect of halo model choice in the extracted limit is reduced by performing a search that considers the outer halo region and not the Galactic Center. We constrain any large scale neutrino anisotropy and are able to set a limit on the dark matter self-annihilation cross section of <\sigma_{A}v> \simeq 10^{-22} cm^3/s for WIMP masses above 1 TeV, assuming a monochromatic neutrino line spectrum.

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