Exploring cosmic origins with CORE: The instrument

P. De Bernardis P.A.R. Ade J.J.A. Baselmans E.S. Battistelli A. Benoit 1 M. Bersanelli A. Bideaud 1 M. Calvo 1 F.J. Casas G. Castellano A. Catalano 2 I. Charles 3 I. Colantoni A. Coppolecchia M. Crook G. D'Alessandro M. De Petris J. Delabrouille 4 S. Doyle C. Franceschet A. Gomez J. Goupy 1 S. Hanany M. Hills L. Lamagna J. Macias-Perez 2 B. Maffei 5 S. Martin 3 E. Martinez-Gonzalez S. Masi D. Mccarthy A. Mennella A. Monfardini 1 F. Noviello A. Paiella F. Piacentini M. Piat 4 G. Pisano G. Signorelli C.Y. Tan A. Tartari 4 N. Trappe S. Triqueneaux 1 C. Tucker G. Vermeulen 1 K. Young M. Zannoni A. Achúcarro R. Allison M. Ashdown M. Ballardini A.J. Banday 6 R. Banerji 4 J. Bartlett 4 N. Bartolo S. Basak A. Bonaldi M. Bonato J. Borrill F. Bouchet 7 F. Boulanger 5 T. Brinckmann M. Bucher 4 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 7, 8 J.M. Diego J. Errard 8, 9, 4 S. Feeney R. Fernandez-Cobos F. Finelli F. Forastieri S. Galli 7 R. Génova-Santos M. Gerbino J. González-Nuevo S. Hagstotz J. Greenslade W. Handley C. Hernández-Monteagudo C. Hervias-Caimapo E. Hivon 7 K. Kiiveri T. Kisner T. Kitching E. Komatsu M. Kunz H. Kurki-Suonio A. Lasenby M. Lattanzi J. Lesgourgues A. Lewis M. Liguori V. Lindholm G. Luzzi C.J.A.P. Martins A. Melchiorri J.B. Melin 10 D. Molinari P. Natoli M. Negrello A. Notari D. Paoletti G. Patanchon 4 L. Polastri G. Polenta A. Pollo V. Poulin 11 M. Quartin M. Remazeilles M. Roman 9 J.A. Rubiño-Martín L. Salvati M. Tomasi D. Tramonte T. Trombetti J. Väliviita R. Van de Weijgaert B. Van Tent 12 V. Vennin P. Vielva N. Vittorio
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 μK⋅arcmin. 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 μK⋅arcmin.
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https://hal.archives-ouvertes.fr/hal-01763736
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Soumis le : mercredi 11 avril 2018 - 13:42:01
Dernière modification le : dimanche 22 juillet 2018 - 19:08:55

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P. De Bernardis, P.A.R. Ade, J.J.A. Baselmans, E.S. Battistelli, A. Benoit, et al.. Exploring cosmic origins with CORE: The instrument. JCAP, 2018, 04 (04), pp.015. 〈10.1088/1475-7516/2018/04/015〉. 〈hal-01763736〉

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