Search for Dark Matter Annihilation in Galaxy Groups.

@article{Lisanti2018SearchFD,
  title={Search for Dark Matter Annihilation in Galaxy Groups.},
  author={Mariangela Lisanti and Siddharth Mishra-Sharma and Nicholas L. Rodd and Benjamin R. Safdi},
  journal={Physical review letters},
  year={2018},
  volume={120 10},
  pages={
          101101
        }
}
  • Mariangela Lisanti, Siddharth Mishra-Sharma, +1 author Benjamin R. Safdi
  • Published 2018
  • Medicine, Physics
  • Physical review letters
  • We use 413 weeks of publicly available Fermi Pass 8 gamma-ray data combined with recently developed galaxy group catalogs to search for evidence of dark matter annihilation in extragalactic halos. In our study, we use luminosity-based mass estimates and mass-to-concentration relations to infer the J factors and associated uncertainties for hundreds of galaxy groups within a redshift range z≲0.03. We employ a conservative substructure boost factor model, which only enhances the sensitivity by an… CONTINUE READING

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