QUBIC I: Overview and science program

Hamilton, J.-Ch.; Mousset, L.; Battistelli, E. S.; de Bernardis, P.; Bigot-Sazy, M.-A.; Chanial, P.; Charlassier, R.; D'Alessandro, G.; De Petris, M.; Gamboa Lerena, M. M.; Grandsire, L.; Landau, S.; Mandelli, S.; Marnieros, S.; Masi, S.; Mennella, A.; O'Sullivan, C.; Piat, M.; Ricciardi, G.; Scóccola, C. G.; Stolpovskiy, M.; Tartari, A.; Torchinsky, S. A.; Voisin, F.; Zannoni, M.; Ade, P.; Alberro, J. G.; Almela, A.; Amico, G.; Arnaldi, L. H.; Auguste, D.; Aumont, J.; Azzoni, S.; Banfi, S.; Baù, A.; Bélier, B.; Bennett, D.; Bergé, L.; Bernard, J.-Ph.; Bersanelli, M.; Bonaparte, J.; Bonis, J.; Bunn, E.; Burke, D.; Buzi, D.; Cavaliere, F.; Chapron, C.; Cobos Cerutti, A. C.; Columbro, F.; Coppolecchia, A.; De Gasperis, G.; De Leo, M.; Dheilly, S.; Duca, C.; Dumoulin, L.; Etchegoyen, A.; Fasciszewski, A.; Ferreyro, L. P.; Fracchia, D.; Franceschet, C.; Ganga, K. M.; García, B.; García Redondo, M. E.; Gaspard, M.; Gayer, D.; Gervasi, M.; Giard, M.; Gilles, V.; Giraud-Heraud, Y.; Gómez Berisso, M.; González, M.; Gradziel, M.; Hampel, M. R.; Harari, D.; Henrot-Versillé, S.; Incardona, F.; Jules, E.; Kaplan, J.; Kristukat, C.; Lamagna, L.; Loucatos, S.; Louis, T.; Maffei, B.; Marty, W.; Mattei, A.; May, A.; McCulloch, M.; Mele, L.; Melo, D.; Montier, L.; Mundo, L. M.; Murphy, J. A.; Murphy, J. D.; Nati, F.; Olivieri, E.; Oriol, C.; Paiella, A.; Pajot, F.; Passerini, A.; Pastoriza, H.; Pelosi, A.; Perbost, C.; Perciballi, M.; Pezzotta, F.; Piacentini, F.; Piccirillo, L.; Pisano, G.; Platino, M.; Polenta, G.; Prêle, D.; Puddu, R.; Rambaud, D.; Rasztocky, E.; Ringegni, P.; Romero, G. E.; Salum, J. M.; Schillaci, A.; Scully, S.; Spinelli, S.; Stankowiak, G.; Supanitsky, A. D.; Thermeau, J.-P.; Timbie, P.; Tomasi, M.; Tucker, C.; Tucker, G.; Viganò, D.; Vittorio, N.; Wicek, F.; Wright, M.; Zullo, A.; QUBIC Collaboration

doi:10.1088/1475-7516/2022/04/034

Published April 2022 | Version Accepted Version

Journal Article Open

QUBIC I: Overview and science program

1. Astroparticle and Cosmology Laboratory
2. Sapienza University of Rome
3. INFN Sezione di Roma I
4. National University of La Plata
5. National Scientific and Technical Research Council
6. University of Buenos Aires
7. University of Milan
8. University of Paris-Saclay
9. INFN Sezione di Milano
10. National University of Ireland, Maynooth
11. Paris Observatory
12. University of Milano-Bicocca
13. Cardiff University
14. Centro Científico Tecnológico - Mendoza
15. Bariloche Atomic Centre
16. Research Institute in Astrophysics and Planetology
17. University of Oxford
18. Centre for Nanoscience and Nanotechnology
19. University of Richmond
20. University of Rome Tor Vergata
21. National Institute for Nuclear Physics
22. University of Surrey
23. Institut de Recherche sur les Lois Fondamentales de l'Univers
24. Institut d'Astrophysique Spatiale
25. University of Manchester
26. Agenzia Spaziale Italiana
27. Pontificia Universidad Católica de Chile
28. California Institute of Technology
29. University of Wisconsin–Madison
30. Brown University

The Q & U Bolometric Interferometer for Cosmology (QUBIC) is a novel kind of polarimeter optimized for the measurement of the B-mode polarization of the Cosmic Microwave Background (CMB), which is one of the major challenges of observational cosmology. The signal is expected to be of the order of a few tens of nK, prone to instrumental systematic effects and polluted by various astrophysical foregrounds which can only be controlled through multichroic observations. QUBIC is designed to address these observational issues with a novel approach that combines the advantages of interferometry in terms of control of instrumental systematic effects with those of bolometric detectors in terms of wide-band, background-limited sensitivity. The QUBIC synthesized beam has a frequency-dependent shape that results in the ability to produce maps of the CMB polarization in multiple sub-bands within the two physical bands of the instrument (150 and 220 GHz). These features make QUBIC complementary to other instruments and makes it particularly well suited to characterize and remove Galactic foreground contamination. In this article, first of a series of eight, we give an overview of the QUBIC instrument design, the main results of the calibration campaign, and present the scientific program of QUBIC including not only the measurement of primordial B-modes, but also the measurement of Galactic foregrounds. We give forecasts for typical observations and measurements: with three years of integration on the sky and assuming perfect foreground removal as well as stable atmospheric conditions from our site in Argentina, our simulations show that we can achieve a statistical sensitivity to the effective tensor-to-scalar ratio (including primordial and foreground B-modes) σ(r) = 0.015.

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© 2022 IOP Publishing Ltd and Sissa Medialab. Received 24 November 2020; Accepted 4 July 2021; Published 21 April 2022. We thank the anonymous referees as well as the editor for insightful reviews that greatly improved this work. QUBIC is funded by the following agencies. France: ANR (Agence Nationale de la Recherche) 2012 and 2014, DIM-ACAV (Domaine d'Interet Majeur-Astronomie et Conditions d'Apparition de la Vie), Labex UnivEarthS (Université de Paris), CNRS/IN2P3 (Centre National de la Recherche Scientifique/Institut National de Physique Nucléaire et de Physique des Particules), CNRS/INSU (Centre National de la Recherche Scientifique/Institut National des Sciences de l'Univers). Italy: CNR/PNRA (Consiglio Nazionale delle Ricerche/Programma Nazionale Ricerche in Antartide) until 2016, INFN (Istituto Nazionale di Fisica Nucleare) since 2017. Argentina: MINCyT (Ministerio de Ciencia, Tecnología e Innovación), CNEA (Comisión Nacional de Energía Atómica), CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas).

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Eprint ID: 114477
Resolver ID: CaltechAUTHORS:20220427-704626100

Describes: https://arxiv.org/abs/2011.02213 (URL)

Agence Nationale pour la Recherche (ANR)
Domaine d'Interet Majeur-Astronomie et Conditions d'Apparition de la Vie
Université de Paris
Labex UnivEarthS
Centre National de la Recherche Scientifique (CNRS)
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
Institut national des sciences de l'Univers (INSU)
Consiglio Nazionale delle Ricerche (CNR)
Programma Nazionale Ricerche in Antartide (PNRA)
Istituto Nazionale di Fisica Nucleare (INFN)
Ministerio de Ciencia, Tecnología e Innovación
Comisión Nacional de Energía Atómica (CNEA)
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)

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QUBIC I: Overview and science program

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