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

Abstract : 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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Submitted on : Thursday, January 13, 2005 - 10:41:15 AM
Last modification on : Wednesday, October 21, 2020 - 4:32:13 PM
Long-term archiving on: : Thursday, September 23, 2010 - 3:29:37 PM

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M. Piat, C. Rosset. Precise measurement of CMB polarisation from Dome-C: the BRAIN and CLOVER experiments. SF2A-2004: Semaine de l'Astrophysique Francaise, Jun 2004, Paris, France. pp.164. ⟨in2p3-00023457v3⟩

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