Progress Report on the Large‑Scale Polarization Explorer
Author
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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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Battaglia, P.M.
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Battistelli, E.
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Bau, A.
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Bersanelli, M.
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Biasotti, M.
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Boscaleri
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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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Cuttaia, F.
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D'Alessandro, G.
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Bernardis, P. de
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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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Incardona, F.
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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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Maris, M.
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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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Morgante, G.
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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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Sandri, M.
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Sartor, S.
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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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Terenzi, L.
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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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Villa, F.
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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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Zacchei, A.
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Zannoni, M.
Admission date
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2021-08-23T23:20:53Z
Available date
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2021-08-23T23:20:53Z
Publication date
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2020
Cita de ítem
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Journal of Low Temperature Physics (2020) 200:374–383
es_ES
Identifier
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10.1007/s10909-020-02454-x
Identifier
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https://repositorio.uchile.cl/handle/2250/181426
Abstract
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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.