Constraints on the Sommerfeld-enhanced dark matter annihilation from the gamma rays of subhalos and dwarf galaxies

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Lu, Bo-Qiang; Wu, Yue-Liang; Zhang, Wei-Hong; Zhou, Yu-Feng;
  • Related identifiers: doi: 10.1088/1475-7516/2018/04/035
  • Subject: High Energy Physics - Phenomenology | Astrophysics - High Energy Astrophysical Phenomena
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::High Energy Astrophysical Phenomena

The substructures of the Galactic dark matter halo such as dark matter subhalos and dwarf galaxies have very low velocity dispersions, which makes them useful in constraining the scenario of Sommerfeld-enhanced dark matter annihilation. We calculate the velocity distrib... View more
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