Exploring cosmic origins with CORE: The instrument

P. De Bernardis*, P. A.R. Ade, J. J.A. Baselmans, E. S. Battistelli, A. Benoit, M. Bersanelli, A. Bideaud, M. Calvo, F. J. Casas, M. G. Castellano, A. Catalano, I. Charles, I. Colantoni, F. Columbro, A. Coppolecchia, M. Crook, G. D'Alessandro, M. De Petris, J. Delabrouille, S. DoyleC. Franceschet, A. Gomez, J. Goupy, S. Hanany, M. Hills, L. Lamagna, J. Macias-Perez, B. Maffei, S. Martin, E. Martinez-Gonzalez, S. Masi, D. McCarthy, A. Mennella, A. Monfardini, F. Noviello, A. Paiella, F. Piacentini, M. Piat, G. Pisano, G. Signorelli, C. Y. Tan, A. Tartari, N. Trappe, S. Triqueneaux, C. Tucker, G. Vermeulen, K. Young, M. Zannoni, A. Achúcarro, R. Allison, E. Artall, M. Ashdown, M. Ballardini, A. J. Banday, R. Banerji, J. Bartlett, N. Bartolo, S. Basak, A. Bonaldi, M. Bonato, J. Borrill, F. Bouchet, F. Boulanger, T. Brinckmann, M. Bucher, C. Burigana, A. Buzzelli, Z. Y. Cai, C. S. Carvalho, A. Challinor, J. Chluba, S. Clesse, G. De Gasperis, G. De Zotti, E. Di Valentino, J. M. Diego, J. Errard, S. Feeney, R. Fernandez-Cobos, F. Finelli, F. Forastieri, S. Galli, R. Génova-Santos, M. Gerbino, J. González-Nuevo, S. Hagstotz, J. Greenslade, W. Handley, C. Hernández-Monteagudo, C. Hervias-Caimapo, E. Hivon, K. Kiiveri, T. Kisner, T. Kitching, M. Kunz, H. Kurki-Suonio, A. Lasenby, M. Lattanzi, J. Lesgourgues, A. Lewis, M. Liguori, V. Lindholm, G. Luzzi, C. J.A.P. Martins, S. Matarrese, A. Melchiorri, J. B. Melin, D. Molinari, P. Natoli, M. Negrello, A. Notari, D. Paoletti, G. Patanchon, L. Polastri, G. Polenta, A. Pollo, V. Poulin, M. Quartin, M. Remazeilles, M. Roman, J. A. Rubiño-Martín, L. Salvati, M. Tomasi, D. Tramonte, T. Trombetti, J. Väliviita, R. Van De Weyjgaert, B. Van Tent, V. Vennin, P. Vielva, N. Vittorio

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

We describe a space-borne, multi-band, multi-beam polarimeter aiming at a precise and accurate measurement of the polarization of the Cosmic Microwave Background. The instrument is optimized to be compatible with the strict budget requirements of a medium-size space mission within the Cosmic Vision Programme of the European Space Agency. The instrument has no moving parts, and uses arrays of diffraction-limited Kinetic Inductance Detectors to cover the frequency range from 60 GHz to 600 GHz in 19 wide bands, in the focal plane of a 1.2 m aperture telescope cooled at 40 K, allowing for an accurate extraction of the CMB signal from polarized foreground emission. The projected CMB polarization survey sensitivity of this instrument, after foregrounds removal, is 1.7 μKċarcmin. The design is robust enough to allow, if needed, a downscoped version of the instrument covering the 100 GHz to 600 GHz range with a 0.8 m aperture telescope cooled at 85 K, with a projected CMB polarization survey sensitivity of 3.2 μKċarcmin.

Original languageEnglish
Article number015
JournalJournal of Cosmology and Astroparticle Physics
Volume2018
Issue number4
DOIs
Publication statusPublished - 5 Apr 2018
Externally publishedYes

Keywords

  • CMBR detectors
  • CMBR experiments
  • CMBR polarization
  • ination

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