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Some systematic effects in the Planck temperature angular power spectrum compared to differences between several scenario of inflation.

Abstract : Planck aims at providing the “definitive” temperature angular power spectrum of the relic radiation as errors should be dominated by the cosmic variance up to the fifth peak. It implies a strict control of all possible systematic error sources. Among systematic effects are time dependent ones: cosmic ray hits have a huge short time impact while thermal variability of the HFI instrument and the Planck telescope have a soft but long time influence. I will compare the amplitude of such systematic effects to the precision that must be achieved to separate, for example, different scenario of the inflation.
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http://hal.in2p3.fr/in2p3-00404395
Contributor : Emmanuelle Vernay <>
Submitted on : Thursday, July 16, 2009 - 12:12:42 PM
Last modification on : Thursday, November 19, 2020 - 12:58:27 PM

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  • HAL Id : in2p3-00404395, version 1

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D. Girard. Some systematic effects in the Planck temperature angular power spectrum compared to differences between several scenario of inflation.. 12th Marcel Grossmann Meeting (MG12), Jul 2009, Paris, France. ⟨in2p3-00404395⟩

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