The Morphology of the Dark Matter Haze with Self-Consistent Diffusion Models

Details The Morphology of the Dark Matter Haze with Self-Consistent Diffusion Models The Morphology of the Dark Matter Haze with Self-Consistent Diffusion Models

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.3702l&link_type=abstract

American Astronomical Society, HEAD meeting #11, #37.02; Bulletin of the American Astronomical Society, Vol. 41, p.717

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Scientific paper

There is currently a significant effort to observe indirect evidence of dark matter annihilation in our galaxy. One interesting finding was an unexpected synchrotron haze (the "WMAP haze") with a similar intensity and morphology to those predicted by dark matter models. This might also be connected to another recent puzzle in cosmic ray physics: the excess of high energy positrons reported by the Pamela satellite. We evaluate a wide variety of well motivated dark matter particle physics setups as well as cosmic ray propagation models, and compare the simulated dark matter driven synchrotron signal against the observed WMAP haze. Further analyzing several reasonable dark matter fits to the WMAP haze, we determine the expected inverse-Compton scattering and positron/electron signals which should be detectable by the Fermi and Pamela satellites.

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