Are light annihilating Dark Matter particles possible?

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  • 28 October 2002
Abstract
We investigate the status of light Dark Matter DM particles from their residual annihilation and discuss the range of the DM mass and total annihilation cross section compatible with gamma-rays experiment data. We find that particles as light as a few 10 MeV or up to ~ 10 GeV could perhaps represent an interesting alternative to the standard picture of very massive WIMPs.

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