Unveiling the nature of dark matter with high redshift 21 cm line experiments

@inproceedings{Evoli2014UnveilingTN,
  title={Unveiling the nature of dark matter with high redshift 21 cm line experiments},
  author={Carmelo Evoli and Andrei Mesinger and Andrea Ferrara},
  year={2014}
}
  • Carmelo Evoli, Andrei Mesinger, Andrea Ferrara
  • Published 2014
  • Physics
    • Observations of the redshifted 21 cm line from neutral hydrogen will open a new window on the early Universe. By influencing the thermal and ionization history of the intergalactic medium (IGM), annihilating dark matter (DM) can leave a detectable imprint in the 21 cm signal. Building on the publicly available 21cmFAST code, we compute the 21 cm signal for a 10 GeV WIMP DM candidate. The most pronounced role of DM annihilations is in heating the IGM earlier and more uniformly than astrophysical… CONTINUE READING
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