QUBIC: the Q&U Bolometric Interferometer for Cosmology

Piat, M.; Battistelli, E.; Baù, A.; Bennett, D.; Bergé, L.; Bernard, J. P.; de Bernardis, P.; Bigot Sazy, M. A.; Bordier, G.; Bounab, A.; Bréelle, E.; Bunn, E. F.; Calvo, M.; Charlassier, R.; Collin, S.; Cruciani, A.; Curran, G.; Dumoulin, L.; Gault, A.; Gervasi, M.; Giard, A. Ghribi · M.; Giordano, Claudia; Giraud Héraud, Y.; Gradziel, M.; Guglielmi, L.; Hamilton, J. C.; Haynes, V.; Kaplan, J.; Korotkov, A.; Landé, J.; Maffei, B.; Maiello, M.; Malu, S.; Marnieros, S.; Martino, J.; Masi, S.; Montier, L.; Murphy, A.; Nati, F.; O’Sullivan, C.; Pajot, F.; Parisel, C.; Passerini, A.; Peterzen, S.; Piacentini, F.; Piccirillo, L.; Pisano, G.; Polenta, G.; Prêle, D.; Romano, D.; Rosset, C.; Salatino, M.; Schillaci, A.; Sironi, G.; Sordini, R.; Spinelli, S.; Tartari, A.; Timbie, P.; Tucker, G.; Vibert, L.; Voisin, F.; Watson, R. A.; Zannoni, M.

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.

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Titolo:	QUBIC: the Q&U Bolometric Interferometer for Cosmology
Autori:	M. Piat E. Battistelli A. Baù D. Bennett L. Bergé J. P. Bernard P. de Bernardis M. A. Bigot Sazy G. Bordier A. Bounab E. Bréelle E. F. Bunn M. Calvo R. Charlassier S. Collin A. Cruciani G. Curran L. Dumoulin A. Gault M. Gervasi A. Ghribi · M. Giard Giordano, Claudia Y. Giraud Héraud M. Gradziel L. Guglielmi J. C. Hamilton V. Haynes J. Kaplan A. Korotkov J. Landé B. Maffei M. Maiello S. Malu S. Marnieros J. Martino S. Masi L. Montier A. Murphy F. Nati C. O’Sullivan F. Pajot C. Parisel A. Passerini S. Peterzen F. Piacentini L. Piccirillo G. Pisano G. Polenta D. Prêle D. Romano C. Rosset M. Salatino A. Schillaci G. Sironi R. Sordini S. Spinelli A. Tartari P. Timbie G. Tucker L. Vibert F. Voisin R. A. Watson M. Zannoni mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2012
Rivista:	JOURNAL OF LOW TEMPERATURE PHYSICS
Abstract:	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.
Handle:	http://hdl.handle.net/11582/193410
Appare nelle tipologie:	1.1 Articolo in rivista

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