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Single-field inflation constraints from CMB and SDSS data
Fabio Finelli, Jan Hamann, Samuel M. Leach +1
We present constraints on canonical single-field inflation derived from WMAP five year, ACBAR, QUAD, BICEP data combined with the halo power spectrum from SDSS LRG7. Models with a…
Residual noise covariance for Planck low-resolution data analysis
R. Keskitalo, M. A. J. Ashdown, P. Cabella +22
Aims: Develop and validate tools to estimate residual noise covariance in Planck frequency maps. Quantify signal error effects and compare different techniques to produce low-resol…
New estimates of the CMB angular power spectra from the WMAP 5 yrs low resolution data
A. Gruppuso, A. De Rosa, P. Cabella +5
A Quadratic Maximum Likelihood (QML) estimator is applied to the WMAP 5 year low resolution maps to compute the CMB angular power spectra at large scales for both temperature and p…
The cosmic microwave background temperature bispectrum from scalar perturbations induced by primordial magnetic fields
Chiara Caprini, Fabio Finelli, Daniela Paoletti +1
We evaluate the angular bispectrum of the CMB temperature anisotropy at large angular scale due to a stochastic background of primordial magnetic fields. The shape of non-Gaussiani…