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Notes by: Karl Young
Raphael's earlier forecast gave sigma® = 2e-5; we made it 2.5 times larger and used 1e-4 (2σ)
Stephen's Forecast:
components: sync+dust delensing option: iterative delensing CMBxCMB σ(τ=0.066)=1.95e-03 σ(h=67.74)=8.41e-02 σ(As=2.142e-09)=7.43e-12 σ(r=0.0)=9.41e-05 σ(Ωch2=0.1188)=2.11e-04 σ(ns=0.9667)=1.08e-03 σ(Ωbh2=0.0223)=1.86e-05 effective level of foreground residuals, reff = 8.74e-07 degradation of the noise after comp. sep. = 1.10e+00 noise in the cleaned CMB map [uK-arcmin] = 9.02e-01
These forecasts were run using the CMB4cast Fisher matrix code (http://portal.nersc.gov/project/mp107/index.html, Errard & Feeney et al.), assuming access to T, E, B and d information, with the deflection estimated using the iterative EB estimator. The code assumes Planck-2015-level synchrotron and dust foregrounds, forecasting the experiment's ability to clean these foregrounds using a parametric maximum-likelihood approach, assuming the foreground spectral indices are constant on patches of size ~15 degrees across (N_side = 4). This is all probably a little out-of-date, being based on the Planck 2015 results and cosmology, but it doesn't seem to give a significantly different answer to Raphael's code (and I can rerun with a different tau if you'd like).
Mike Shull, Kathy Romer, Jonathan Feng, Michael Strauss, Wick Haxton, Keith Olive, Larry Rudnick, Liliya Williams, Martin White, Lyman Page, Masashi Hazumi, Adrian Lee, Scott Dodelson, Chuck Bennett, Ed Wollack, Paolo deBernardis, Bruce Draine