Volume 393, Number 2, October II 2002
|Page(s)||381 - 387|
|Published online||23 September 2002|
Cosmic Microwave Background anisotropies beyond the third peak
IAS-CNRS, Université Paris Sud, Bât. 121, 91405 Orsay Cedex, France
2 IAP-CNRS, 98 bis Boulevard Arago, 75014 Paris, France
3 Denys Wilkinson Building, University of Oxford, Keble Road, Oxford, OX 3RH, UK
Corresponding author: N. Aghanim, Nabila.Aghanim@ias.u-psud.fr
Accepted: 11 July 2002
Forthcoming Cosmic Microwave Background (CMB) experiments will allow us to accurately investigate the power spectrum at very small scales (). We predict the level of the primary anisotropies, given the actual CMB measurements. The secondary anisotropies generated after matter-radiation decoupling contribute additional power in the tail of the CMB power spectrum. Together with the primary anisotropies, we compute the predicted power spectra for three dominant secondary effects induced by photon scattering. We predict these secondary contributions in flat cosmological models for parameters in agreement (to ) with the values allowed by current parameter estimates.
Key words: cosmology: cosmic microwave background
© ESO, 2002
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