Microwave background constraints on inflationary parameters

Details Microwave background constraints on inflationary parameters Microwave background constraints on inflationary parameters

2002-07-10

arxiv.org/abs/astro-ph/0207213v2

Mon.Not.Roy.Astron.Soc. 341 (2003) 1151

Astronomy and Astrophysics

Astrophysics

6 pages LaTeX file with figures incorporated. Major revisions including incorporation of new datasets (CBI and Archeops). Slow

Scientific paper

10.1046/j.1365-8711.2003.06445.x

We use a compilation of cosmic microwave anisotropy data (including the recent VSA, CBI and Archeops results), supplemented with an additional constraint on the expansion rate, to directly constrain the parameters of slow-roll inflation models. We find good agreement with other papers concerning the cosmological parameters, and display constraints on the power spectrum amplitude from inflation and the first two slow-roll parameters, finding in particular that $\epsilon_1 < 0.057$. The technique we use for parametrizing inflationary spectra may become essential once the data quality improves significantly.

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