Secondary CMB Anisotropy I: Reionization - Wayne Hu's Tutorials
Secondary CMB Anisotropy I: Reionization - Wayne Hu's Tutorials
Secondary CMB Anisotropy I: Reionization - Wayne Hu's Tutorials
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Total Optical Depth<br />
• Optical depth measurement unbiased<br />
• Ultimate errors set by cosmic variance here 0.01<br />
• Equivalently 1% measure of initial amplitude, impt for dark energy<br />
10 2<br />
10 1<br />
1<br />
10 -1<br />
10 -2<br />
10 -3<br />
10 -4<br />
10 -5<br />
σ µ<br />
σ τ (cumul.)<br />
5 10 15<br />
Hu & Holder (2003) mode µ<br />
τ µ<br />
prior<br />
prior
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