Peer-Reviewed Journal Details
Mandatory Fields
Gupta, S;Ade, P;Bock, J;Bowden, M;Brown, ML;Cahill, G;Castro, PG;Church, S;Culverhouse, T;Friedman, RB;Ganga, K;Gear, WK;Hinderks, J;Kovac, J;Lange, AE;Leitch, E;Melhuish, SJ;Memari, Y;Murphy, JA;Orlando, A;O'Sullivan, C;Piccirillo, L;Pryke, C;Rajguru, N;Rusholme, B;Schwarz, R;Taylor, AN;Thompson, KL;Turner, AH;Wu, EYS;Zemcov, M
2010
June
Astrophysical Journal
PARAMETER ESTIMATION FROM IMPROVED MEASUREMENTS OF THE COSMIC MICROWAVE BACKGROUND FROM QUaD
Published
10 ()
Optional Fields
POLARIZATION POWER SPECTRA COSMOLOGICAL PARAMETERS CMB TEMPERATURE ANISOTROPY PROBE TELESCOPE
716
1040
1046
We evaluate the contribution of cosmic microwave background (CMB) polarization spectra to cosmological parameter constraints. We produce cosmological parameters using high-quality CMB polarization data from the ground-based QUaD experiment and demonstrate for the majority of parameters that there is significant improvement on the constraints obtained from satellite CMB polarization data. We split a multi-experiment CMB data set into temperature and polarization subsets and show that the best-fit confidence regions for the CDM six-parameter cosmological model are consistent with each other, and that polarization data reduces the confidence regions on all parameters. We provide the best limits on parameters from QUaD EE/BB polarization data and we find best-fit parameters from the multi-experiment CMB data set using the optimal pivot scale of k(p) = 0.013 Mpc(-1) to be {h(2)Omega(c), h(2)Omega(b), H-0, A(s), n(s), tau} = {0.113, 0.0224, 70.6, 2.29 x 10(-9), 0.960, 0.086}.
BRISTOL
0004-637X
10.1088/0004-637X/716/2/1040
Grant Details