Probing beyond the epoch of hydrogen reionization with 21 centimeter radiation

@article{Ciardi2003ProbingBT,
  title={Probing beyond the epoch of hydrogen reionization with 21 centimeter radiation},
  author={B. Ciardi and P. Madau},
  journal={The Astrophysical Journal},
  year={2003},
  volume={596},
  pages={1-8}
}
  • B. Ciardi, P. Madau
  • Published 2003
  • Physics
  • The Astrophysical Journal
  • We use numerical simulations of hydrogen reionization by stellar sources in the context of ΛCDM cosmogonies to investigate the 21 (1 + z) cm radio signal expected from the diffuse intergalactic medium (IGM) prior to the epoch of reionization breakthrough at redshift zion. Two reionization scenarios are analyzed in detail: an "early reionization" case with zion ≈ 13, consistent with the recent discovery by the Wilkinson Microwave Anisotropy Probe (WMAP) satellite of a large optical depth to… CONTINUE READING
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