Limits on a muon flux from neutralino annihilations in the Sun with the IceCube 22-string detector

Details Limits on a muon flux from neutralino annihilations in the Sun with the IceCube 22-string detector Limits on a muon flux from neutralino annihilations in the Sun with the IceCube 22-string detector

2009-02-14

arxiv.org/abs/0902.2460v3

Phys.Rev.Lett.102:201302,2009

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

5 pages, 4 figures. Accepted for publication in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.102.201302

A search for muon neutrinos from neutralino annihilations in the Sun has been performed with the IceCube 22-string neutrino detector using data collected in 104.3 days of live-time in 2007. No excess over the expected atmospheric background has been observed. Upper limits have been obtained on the annihilation rate of captured neutralinos in the Sun and converted to limits on the WIMP-proton cross-sections for WIMP masses in the range 250 - 5000 GeV. These results are the most stringent limits to date on neutralino annihilation in the Sun.

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