Progress Report on the Large-Scale Polarization Explorer
Date Issued
2020
Author(s)
Lamagna, L.
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Addamo, G.
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Ade, P. A. R.
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Baccigalupi, C.
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Baldini, A. M.
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Battistelli, E.
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Baù, A.
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Bersanelli, M.
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Biasotti, M.
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Boragno, C.
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Boscaleri, A.
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Caccianiga, B.
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Caprioli, S.
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Cavaliere, F.
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Cei, F.
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Cleary, K. A.
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Columbro, F.
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Coppi, G.
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Coppolecchia, A.
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Corsini, D.
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D'Alessandro, G.
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de Bernardis, P.
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De Gasperis, G.
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De Petris, M.
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Torto, F. Del
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Fafone, V.
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Farooqui, Z.
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Farsian, F.
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Fontanelli, F.
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Franceschet, C.
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Gaier, T. C.
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Gatti, F.
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Genova-Santos, R.
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Gervasi, M.
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Ghigna, T.
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Grassi, M.
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Grosso, D.
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Jones, M.
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Kangaslahti, P.
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Krachmalnicoff, N.
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Mainini, R.
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Maino, D.
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Mandelli, S.
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Masi, S.
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Matarrese, S.
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May, A.
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Mena, P.
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Mennella, A.
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Molina, R.
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Molinari, D.
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Nati, F.
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Natoli, P.
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Pagano, L.
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Paiella, A.
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Paonessa, F.
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Passerini, A.
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Perez-de-Taoro, M.
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Peverini, O. A.
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Pezzotta, F.
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Piacentini, F.
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Piccirillo, L.
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Pisano, G.
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Polastri, L.
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Polenta, G.
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Poletti, D.
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Presta, G.
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Realini, S.
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Reyes, N.
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Rocchi, A.
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Rubino-Martin, J. A.
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•
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Schillaci, A.
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Signorelli, G.
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Soria, M.
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Spinella, F.
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Tapia, V.
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Tartari, A.
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Taylor, A.
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Tomasi, M.
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Tommasi, E.
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Tucker, C.
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Vaccaro, D.
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Vigano, D. M.
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Virone, G.
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Vittorio, N.
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Volpe, A.
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Watkins, B.
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Zannoni, M.
Abstract
The large-scale polarization explorer (LSPE) is a cosmology program for the measurement of large-scale curl-like features (B-modes) in the polarization of the cosmic microwave background. Its goal is to constrain the background of inflationary gravity waves traveling through the universe at the time of matter-radiation decoupling. The two instruments of LSPE are meant to synergically operate by covering a large portion of the northern microwave sky. LSPE/STRIP is a coherent array of receivers planned to be operated from the Teide Observatory in Tenerife, for the control and characterization of the low-frequency polarized signals of galactic origin; LSPE/SWIPE is a balloon-borne bolometric polarimeter based on 330 large throughput multi-moded detectors, designed to measure the CMB polarization at 150 GHz and to monitor the polarized emission by galactic dust above 200 GHz. The combined performance and the expected level of systematics mitigation will allow LSPE to constrain primordial B-modes down to a tensor/scalar ratio of 10-2. We here report the status of the STRIP pre-commissioning phase and the progress in the characterization of the key subsystems of the SWIPE payload (namely the cryogenic polarization modulation unit and the multi-moded TES pixels) prior to receiver integration.
Volume
200
Issue
5-6
Start page
374
Issn Identifier
0022-2291
Ads BibCode
2020JLTP..200..374L
Rights
open.access
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