2008

CMBPol Mission Concept Study: Reionization Science with the Cosmic Microwave Background

Zaldarriaga, Matias, Colombo, Loris, Komatsu, Eiichiro et al.

Understand

We summarize existing constraints on the epoch of reionization and discuss the observational probes that are sensitive to the process.

  • We focus on the role large scale polarization can play.
  • Polarization probes the integrated optical depth across the entire epoch of reionization.
  • Future missions such as Planck and CMBPol will greatly enhance our knowledge of the reionization history, allowing us to measure the time evolution of the ionization fraction.

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