CMBPol任务概念研究：具有宇宙微波背景的再电离科学
CMBPol Mission Concept Study: Reionization Science with the Cosmic Microwave Background
摘要：
我们总结了现有的再电离时代的限制，并讨论了敏感的过程中的观测探头。我们专注于大规模极化可以发挥的作用。偏振探测再电离的整个时期的积分光学深度。未来的任务，如普朗克和CMBPol将大大提高我们的再电离历史的知识，使我们能够测量电离分数的时间演变。由于大尺度偏振探测高红移活动，它可以最好地约束宇宙在早期完全或部分电离的模型。事实上，大尺度偏振可能是我们对最高红移的唯一探测。
英文摘要：
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. As large scale polarization probes high redshift activity, it can best constrain models where the Universe was fully or partially ionized at early times. In fact, large scale polarization could be our only probe of the highest redshifts.
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