Faculty of Science
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Dark matter

An as-yet small, but possibly high pay-off, research line has emerged over the last two years between the Astrophysics and High-Energy physics department on dark matter particles. In a collaborative effort Achterberg (astrophysics) together with Caron and Beenakker (high energy physics) have identified a supersymmetric particle candidate that satisfies all astronomical and high-energy limits on a dark matter particle. It also creates no tension with existing limits on Dark Matter annihilation in Dwarf Galaxies, and agrees with the single putative detection of a gamma-ray excess in Reticulum II.

Goals for the next six years

The prediction is now implemented as a search strategy in the LHC experiment. In addition, new tools are being developed for the analysis of existing Fermi-LAT data. With these tools they hope be able to determine more firmly if the observed excess in the Galactic Center is pure Dark Matter, or is partly due to a population of unresolved astrophysical point sources such as millisecond pulsars.

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Bram Achterberg