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    QUBIC: the Q&U Bolometric Interferometer for Cosmology

    Piat, M. and Battistelli, E. and Bau, A. and Bennett, D. and Bergé, L. and Bernard, J.-P. and De Bernardis, P. and Bigot-Sazy, M.-A. and Bordier, G. and Bounab, A. and Bunn, E.F. and Calvo, M. and Charlassier, R. and Collin, S. and Cruciani, A. and Curran, G. and Dumoulin, L. and Gault, A. and Gervasi, M. and Ghribi, A. and Giard, M. and Giordano, C. and Giraud-Héraud, Y. and Gradziel, Marcin and Guglielmi, L. and Hamilton, J.-C. and Haynes, V. and Kaplan, J. and Korotkov, A. and Landé, J. and Maffei, B. and Maiello, M. and Malu, S. and Marnieros, S. and Martino, J. and Masi, S. and Montier, L. and Murphy, J.Anthony and Nati, F. and O'Sullivan, Créidhe and Pajot, F. and Passerini, A. and Peterzen, S. and Piacentini, F. and Piccirillo, L. and Pisano, G. and Polenta, G. and Prêle, D. and Romano, D. and Rosset, C. and Salatino, M. and Schillaci, A. and Sironi, G. and Sordini, R. and Spinelli, S. and Tartari, A. and Timbie, P. and Tucker, G. and Vibert, L. and Voisin, F. and Watson, R.A. and Zannoni, M. (2012) QUBIC: the Q&U Bolometric Interferometer for Cosmology. Journal of Low Temperature Physics, 167. pp. 872-878. ISSN 0022-2291

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    The primordial B-mode polarisation of the Cosmic Microwave Background is the imprints of the gravitational wave background generated by inflation. Observing the B-mode is up to now the most direct way to constrain the physics of the primordial Universe, especially inflation. To detect these B-modes, high sensitivity is required as well as an exquisite control of systematics effects. To comply with these requirements, we propose a new instrument called QUBIC (Q and U Bolometric Interferometer for Cosmology) based on bolometric interferometry. The control of systematics is obtained with a close-packed interferometer while bolometers cooled to very low temperature allow for high sensitivity. We present the architecture of this new instrument, the status of the project and the self-calibration technique which allows accurate measurement of the instrumental systematic effects.

    Item Type: Article
    Additional Information: The definitive version of this article is available at DOI: 10.1007/s10909-012-0522-x
    Keywords: Cosmic microwave background; Polarisation; Interferometer; Bolometer;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 6738
    Identification Number:
    Depositing User: Dr. Créidhe O'Sullivan
    Date Deposited: 07 Jan 2016 15:34
    Journal or Publication Title: Journal of Low Temperature Physics
    Publisher: Springer Verlag
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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