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26 April 2024

» arxiv » 1609.4372

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QUBIC Technological Design Report
J. Aumont ; S. Banfi ; P. Battaglia ; E.S. Battistelli ; A. Baù ; B. Bélier ; D.Bennett ; L. Bergé ; J.Ph. Bernard ; M. Bersanelli ; M.A. Bigot-Sazy ; N. Bleurvacq ; G. Bordier ; J. Brossard ; E.F. Bunn ; D. Buzi ; A. Buzzelli ; D. Cammilleri ; F. Cavaliere ; P. Chanial ; C. Chapron ; G. Coppi ; A. Coppolecchia ; F. Couchot ; R. D'Agostino ; G. D'Alessandro ; P. de Bernardis ; G. De Gasperis ; M. De Petris ; T. Decourcelle ; F. Del Torto ; L. Dumoulin ; A. Etchegoyen ; C. Franceschet ; B. Garcia ; A. Gault ; D. Gayer ; M. Gervasi ; A. Ghribi ; M. Giard ; Y. Giraud-Héraud ; M. Gradziel ; L. Grandsire ; J.Ch. Hamilton ; D. Harari ; V. Haynes ; S. Henrot-Versillé ; N. Holtzer ; J. Kaplan ; A. Korotkov ; J. Lande ; S. Loucatos ; A. Lowitz ; V. Lukovic ; B. Maffei ; S. Marnieros ; J. Martino ; S. Masi ; M.C. Medina ; M. McCulloch ; A. May ; S. Melhuish ; A. Mennella ; L. Montier ; A. Murphy ; D. Néel ; M.W. Ng ; C. O'Sullivan ; F. Pajot ; A. Passerini ; A.Pelosi ; C. Perbost ; O. Perdereau ; F. Piacentini ; M. Piat ; L. Piccirillo ; G. Pisano ; D. Prêle ; R. Puddu ; D. Rambaud ; O. Rigaut ; G.E. Romero ; M. Salatino ; A. Schillaci ; S. Scully ; M. Stolpovskiy ; A. Tartari ; P. Timbie ; M. Tristram ; G. Tucker ; D. Viganò ; N. Vittori ; F. Voisin ; B. Watson ; M. Zannoni ; A. Zullo ;
Date:	14 Sep 2016
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.
Source:	arXiv, 1609.4372
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