Precise measurement of CMB polarisation from Dome-C: the BRAIN and CLOVER experiments

Details Precise measurement of CMB polarisation from Dome-C: the BRAIN and CLOVER experiments Precise measurement of CMB polarisation from Dome-C: the BRAIN and CLOVER experiments

2004-12-22

arxiv.org/abs/astro-ph/0412590v2

Dans Soci\'{e}t\'{e} Fran\c{c}aise d'Astronomie et d'Astrophysique Scientific Highlights 2004, EDP Sciences (Ed.) (2004) 164 -

Astronomy and Astrophysics

Astrophysics

SF2A-2004: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 14-18, 2004

Scientific paper

The characterisation of CMB polarisation is one of the next challenge in observationnal cosmology. This is especially true for the so-called B-modes that are at least 3 order of magnitude lower than CMB temperature fluctuations. A precise measurement of the angular power spectrum of these B-modes will give important constraints on inflation parameters. In this talk, I will describe two complementary experiments, BRAIN and CLOVER, dedicated to CMB polarisation measurement. These experiments are proposed to be installed in Dome-C, Antarctica, to take advantage of the extreme dryness of the atmosphere and to allow long integration time.

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