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Evidence Of Dark Matter Annihilations In The WMAP Haze · Around

2007

Evidence Of Dark Matter Annihilations In The WMAP Haze

Hooper, Dan, Finkbeiner, Douglas P., Dobler, Gregory

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The WMAP experiment has revealed an excess of microwave emission from the region around the center of our Galaxy.

It has been suggested that this signal, known as the ``WMAP Haze'', could be synchrotron emission from relativistic electrons and positrons generated in dark matter annihilations.
In this letter, we revisit this possibility.
We find that the angular distribution of the WMAP Haze matches the prediction for dark matter annihilations with a cusped density profile, $\rho(r) \propto r^{-1.2}$ in the inner kiloparsecs.

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