The Fermi GeV excess: Challenges for the dark matter interpretation

Open Access
Authors
  • M. Schaller
  • C.S. Frenk
  • R.A. Crain
  • J. Schaye
  • T. Theuns
  • J.W. Trayford
Publication date 05-2016
Journal Journal of Physics: Conference Series
Event International conference on Topics in Astroparticle and Underground Physics, Turijn (Italië)
Article number 42010
Volume | Issue number 718 | 4
Number of pages 5
Organisations
  • Faculty of Science (FNWI) - Institute of Physics (IoP)
  • Faculty of Science (FNWI) - Institute of Physics (IoP) - Institute for Theoretical Physics Amsterdam (ITFA)
  • Faculty of Science (FNWI)
Abstract One of the most exciting recent results in the field of dark matter indirect searches has been the discovery of an excess emission in gamma rays from the Galactic centre above the standard astrophysical background. We show that current hydrodynamic simulations, namely simulated Milky Way-like galaxies within the "Evolution and Assembly of GaLaxies and their Environments" (EAGLE) project, challenge the possibility to interpret the GeV excess as due to annihilation of dark matter particles in the halo if the Milky Way.
Document type Article
Note XIV International Conference on Topics in Astroparticle and Underground Physics (TAUP 2015): 7–11 September 2015, Torino, Italy
Language English
Published at https://doi.org/10.1088/1742-6596/718/4/042010
Other links https://www.scopus.com/pages/publications/84981193840
Downloads
Fermi GeV excess (Final published version)
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