QUBIC Technological Design Report

Abstract : QUBIC is an instrument aiming at measuring the B mode polarisation anisotropies at medium scales angular scales (30-200 multipoles). The search for the primordial CMB B-mode polarization signal is challenging, because of many difficulties: smallness of the expected signal, instrumental systematics that could possibly induce polarization leakage from the large E signal into B, brighter than anticipated polarized foregrounds (dust) reducing to zero the initial hope of finding sky regions clean enough to have a direct primordial B-modes observation. The QUBIC instrument is designed to address all aspects of this challenge with a novel kind of instrument, a Bolometric Interferometer, combining the background-limited sensitivity of Transition-Edge-Sensors and the control of systematics allowed by the observation of interference fringe patterns, while operating at two frequencies to disentangle polarized foregrounds from primordial B mode polarization. Its characteristics are described in details in this Technological Design Report.
Type de document :
Rapport
[Technical Report] Q&U Bolometric Interferometer for Cosmology. 2016
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http://hal.in2p3.fr/in2p3-01366770
Contributeur : Sabine Starita <>
Soumis le : jeudi 15 septembre 2016 - 12:16:06
Dernière modification le : jeudi 11 janvier 2018 - 06:14:22

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  • HAL Id : in2p3-01366770, version 1
  • ARXIV : 1609.04372

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J. Aumont, S. Banfi, P. Battaglia, E. S. Battistelli, A. Baù, et al.. QUBIC Technological Design Report. [Technical Report] Q&U Bolometric Interferometer for Cosmology. 2016. 〈in2p3-01366770〉

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