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Constraints on the non-linear coupling parameter fnl with the Archeops data
A. Curto, J. F. Macias-Perez, E. Martinez-Gonzalez +5
We present a Gaussianity analysis of the Archeops Cosmic Microwave Background (CMB) temperature anisotropy data maps at high resolution to constrain the non-linear coupling paramet…
Non-linear Preheating with Scalar Metric Perturbations
M. Bastero-Gil, M. Tristram, J. Macias-Perez +1
We have studied preheating of field perturbations in a 3-dimensional lattice including the effect of scalar metric perturbations, in two generic models of inflation: chaotic inflat…
Testing Gaussianity on Archeops Data
A. Curto, J. Aumont, J. F. Macias-Perez +5
A Gaussianity analysis using a goodness-of-fit test and the Minkowski functionals on the sphere has been performed to study the measured Archeops Cosmic Microwave Background (CMB)…
Archeops In-flight Performance, Data Processing and Map Making
J. F. Macias-Perez, G. Lagache, B. Maffei +69
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave B…
Temperature and polarization angular power spectra of Galactic dust radiation at 353 GHz as measured by Archeops
N. Ponthieu, J. F. Macías-Pérez, M. Tristram +47
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. Th…
The CMB temperature power spectrum from an improved analysis of the Archeops data
M. Tristram, G. Patanchon, J. F. Macias-Perez +47
We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops…