The Q&U Bolometric Interferometer for Cosmology (QLBIC) is the first bolometric interferometer designed to measure the primordial B-mode polarization of the Cosmic Microwave Background (CMB). Bolometric interferometry is a novel technique that combines the sensitivity of bolometric detectors with the control of systematic effects that is typical of interferometry, both key features in the quest for the faint signal of the primordial B-modes. A unique feature is the so-called spectral imaging, i.e., the ability to recover the sky signal in several sub-bands within the physical band during data analysis. This feature provides an in-band spectral resolution of Delta v/v similar to 0.04 that is unattainable by a traditional imager. This is a key tool for controlling the Galactic foregrounds contamination. In this paper, we describe the principles of bolometric interferometry, the current status of the QU BIC experiment and future prospects.

Measuring the CMB primordial B-modes with bolometric Interferometry. Status and future prospects of the QUBIC experiment / Mennella, A.; Ade, P.; Almela, A.; Amico, G.; Arnaldi, L. H.; Aumont, J.; Banfi, S.; Battistelli, E. S.; Bélier, B.; Bergé, L.; Bernard, J. -Ph.; Bersanelli, M.; Bonaparte, J.; Bonilla, J. D.; Bunn, E.; Buzi, D.; Cacciotti, F.; Camilieri, D.; Cavaliere, F.; Chanial, P.; Chapron, C.; Colombo, L.; Columbro, F.; Coppolecchia, A.; Costanza, M. B.; D'Alessandro, G.; de Bernardis, P.; De Gasperis, G.; De Leo, M.; De Petris, M.; Del Castillo, N.; Dheilly, S.; Etchegoyen, A.; Ferazzoli, S.; Ferreyro, L. P.; Franceschet, C.; Lerena, M. M. Gamboa; Ganga, K.; García, B.; Redondo, M. E. García; Gayer, D.; Geria, J. M.; Gervasi, M.; Giard, M.; Gilles, V.; Berisso, M. Gómez; Gonzalez, M.; Gradziel, M.; Grandsire, L.; Hamilton, J. -Ch.; Hampel, M. R.; Isopi, G.; Kaplan, J.; Lamagna, L.; Lazarte, F.; Loucatos, S.; Maffei, B.; Mancilla, A.; Mandelli, S.; Manzan, E.; Marchitelli, E.; Marnieros, S.; Marty, W.; Masi, S.; May, A.; Maya, J.; Mcculloch, M.; Mele, L.; Melo, D.; Mirón-Granese, N.; Montier, L.; Mousset, L.; Müller, N.; Nati, F.; O'Sullivan, C.; Paiella, A.; Pajot, F.; Paradiso, S.; Pascale, E.; Passerini, A.; Pelosi, A.; Perciballi, M.; Pezzotta, F.; Piacentini, F.; Piat, M.; Piccirillo, L.; Pisano, G.; Platino, M.; Polenta, G.; Prêle, D.; Rambaud, D.; Ramos, G.; Rasztocky, E.; Régnier, M.; Reyes, C.; Rodríguez, F.; Rodríguez, C. A.; Romero, G. E.; Salum, J. M.; Schillaci, A.; Scóccola, C.; Stankowiak, G.; Tartari, A.; Thermeau, J. -P.; Timbie, P.; Tomasi, M.; Torchinsky, S.; Tucker, G.; Tucker, C.; Vacher, L.; Voisin, F.; Wright, M.; Zannoni, M.; Zullo, A.. - In: EPJ WEB OF CONFERENCES. - ISSN 2100-014X. - 293:(2024), pp. 1-6. (Intervento presentato al convegno mm Universe 2023. Observing the Universe at mm wavelengths tenutosi a Grenoble, France) [10.1051/epjconf/202429300030].

Measuring the CMB primordial B-modes with bolometric Interferometry. Status and future prospects of the QUBIC experiment

Mennella, A.
;
Amico, G.;Battistelli, E. S.;Buzi, D.;Cacciotti, F.;Columbro, F.;Coppolecchia, A.;D'Alessandro, G.;de Bernardis, P.;De Gasperis, G.;De Leo, M.;De Petris, M.;Lamagna, L.;Marchitelli, E.;Masi, S.;Mele, L.;Nati, F.;Paiella, A.;Pascale, E.;Perciballi, M.;Piacentini, F.;Pisano, G.;Polenta, G.;
2024

Abstract

The Q&U Bolometric Interferometer for Cosmology (QLBIC) is the first bolometric interferometer designed to measure the primordial B-mode polarization of the Cosmic Microwave Background (CMB). Bolometric interferometry is a novel technique that combines the sensitivity of bolometric detectors with the control of systematic effects that is typical of interferometry, both key features in the quest for the faint signal of the primordial B-modes. A unique feature is the so-called spectral imaging, i.e., the ability to recover the sky signal in several sub-bands within the physical band during data analysis. This feature provides an in-band spectral resolution of Delta v/v similar to 0.04 that is unattainable by a traditional imager. This is a key tool for controlling the Galactic foregrounds contamination. In this paper, we describe the principles of bolometric interferometry, the current status of the QU BIC experiment and future prospects.
2024
mm Universe 2023. Observing the Universe at mm wavelengths
bolometric interferometer; cosmology; cosmic microwave background (CMB)
04 Pubblicazione in atti di convegno::04c Atto di convegno in rivista
Measuring the CMB primordial B-modes with bolometric Interferometry. Status and future prospects of the QUBIC experiment / Mennella, A.; Ade, P.; Almela, A.; Amico, G.; Arnaldi, L. H.; Aumont, J.; Banfi, S.; Battistelli, E. S.; Bélier, B.; Bergé, L.; Bernard, J. -Ph.; Bersanelli, M.; Bonaparte, J.; Bonilla, J. D.; Bunn, E.; Buzi, D.; Cacciotti, F.; Camilieri, D.; Cavaliere, F.; Chanial, P.; Chapron, C.; Colombo, L.; Columbro, F.; Coppolecchia, A.; Costanza, M. B.; D'Alessandro, G.; de Bernardis, P.; De Gasperis, G.; De Leo, M.; De Petris, M.; Del Castillo, N.; Dheilly, S.; Etchegoyen, A.; Ferazzoli, S.; Ferreyro, L. P.; Franceschet, C.; Lerena, M. M. Gamboa; Ganga, K.; García, B.; Redondo, M. E. García; Gayer, D.; Geria, J. M.; Gervasi, M.; Giard, M.; Gilles, V.; Berisso, M. Gómez; Gonzalez, M.; Gradziel, M.; Grandsire, L.; Hamilton, J. -Ch.; Hampel, M. R.; Isopi, G.; Kaplan, J.; Lamagna, L.; Lazarte, F.; Loucatos, S.; Maffei, B.; Mancilla, A.; Mandelli, S.; Manzan, E.; Marchitelli, E.; Marnieros, S.; Marty, W.; Masi, S.; May, A.; Maya, J.; Mcculloch, M.; Mele, L.; Melo, D.; Mirón-Granese, N.; Montier, L.; Mousset, L.; Müller, N.; Nati, F.; O'Sullivan, C.; Paiella, A.; Pajot, F.; Paradiso, S.; Pascale, E.; Passerini, A.; Pelosi, A.; Perciballi, M.; Pezzotta, F.; Piacentini, F.; Piat, M.; Piccirillo, L.; Pisano, G.; Platino, M.; Polenta, G.; Prêle, D.; Rambaud, D.; Ramos, G.; Rasztocky, E.; Régnier, M.; Reyes, C.; Rodríguez, F.; Rodríguez, C. A.; Romero, G. E.; Salum, J. M.; Schillaci, A.; Scóccola, C.; Stankowiak, G.; Tartari, A.; Thermeau, J. -P.; Timbie, P.; Tomasi, M.; Torchinsky, S.; Tucker, G.; Tucker, C.; Vacher, L.; Voisin, F.; Wright, M.; Zannoni, M.; Zullo, A.. - In: EPJ WEB OF CONFERENCES. - ISSN 2100-014X. - 293:(2024), pp. 1-6. (Intervento presentato al convegno mm Universe 2023. Observing the Universe at mm wavelengths tenutosi a Grenoble, France) [10.1051/epjconf/202429300030].
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