Mathematics – Logic
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005jrasc..99r.128b&link_type=abstract
Journal of the Royal Astronomical Society of Canada, Vol. 99, No. 4, p.128
Mathematics
Logic
Scientific paper
Canada is significantly involved in Planck, an ESA satellite officially scheduled for an August 2007 launch. It will survey the entire sky in 9 frequency bands using MMIC HEMTs and 50 bolometers, many polarization sensitive, with a best fwhm resolution of 5 arcminutes, far out in the damping tail of the primary CMB power spectra in total intensity (TT) and polarization. Planck will make major advances in the two CMB frontiers: E-mode and B-mode polarization at high and low multipoles L; secondary TT anisotropies arising from nonlinear effects at high L. Other CMB data will complement Planck, including from 8 years of WMAP, ambitious ground-based experiments such as QUaD, BICEP, Polarbear, ACT, SPT and Quiet, and the balloonborne Spider, the latter four with > 1000 detectors. Forecasts for power spectrum and cosmological parameter estimations for Planck alone are contrasted with those from combinations of these various experiments, and with the state for current CMB polarization data, in particular new results for EE and TE power spectra from CBI. Apart from exquisite improvements for the E-mode, Planck, and Spider have good shots at detecting the low-L B-mode, a direct imprint of zero-point quantum gravity waves and a "holy grail" for future CMB research.
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