Dark Matter Multi-wavelength constraints from Synchrotron and Inverse Compton radiation

Details Dark Matter Multi-wavelength constraints from Synchrotron and Inverse Compton radiation Dark Matter Multi-wavelength constraints from Synchrotron and Inverse Compton radiation

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009nuphs.194...28c&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 194, p. 28-32.

Physics

Nuclear Physics

Scientific paper

The excess of electrons/positrons observed by the Pamela/ATIC/Fermi experiments gives rise to a noticeable amount of synchrotron and Inverse Compton Scattering (ICS) radiation when the exp+exp- interact with the Galactic Magnetic Field, and the InterStellar Radiation Field (ISRF). In particular, the ICS signal produced within the WIMP annihilation interpretation of the Pamela/ATIC excess shows already some tension with the EGRET data. On the other hand, 1 yr of Fermi data taking will be enough to rule out or confirm this scenario with a high confidence level. The ICS radiation produces a peculiar and clean “ICS Haze” feature, as well, which can be used to discriminate between the astrophysical and Dark Matter scenarios.

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