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Progress Report on the Large-Scale Polarization Explorer

Lamagna, L. and Addamo, G. and Ade, P. A. R. and Baccigalupi, C. and Baldini, A. M. and Battaglia, P. M. and Battistelli, E. and Baù, A. and Bersanelli, M. and Biasotti, M. and Boragno, C. and Boscaleri, A. and Caccianiga, B. and Caprioli, S. and Cavaliere, F. and Cei, F. and Cleary, K. A. and Columbro, F. and Coppi, G. and Coppolecchia, A. and Corsini, D. and Cuttaia, F. and D’Alessandro, G. and de Bernardis, P. and De Gasperis, G. and De Petris, M. and Del Torto, F. and Fafone, V. and Farooqui, Z. and Farsian, F. and Fontanelli, F. and Franceschet, C. and Gaier, T. C. and Gatti, F. and Genova-Santos, R. and Gervasi, M. and Ghigna, T. and Grassi, M. and Grosso, D. and Incardona, F. and Jones, M. and Kangaslahti, P. and Krachmalnicoff, N. and Mainini, R. and Maino, D. and Mandelli, S. and Maris, M. and Masi, S. and Matarrese, S. and May, A. and Mena, P. and Mennella, A. and Molina, R. and Molinari, D. and Morgante, G. and Nati, F. and Natoli, P. and Pagano, L. and Paiella, A. and Paonessa, F. and Passerini, A. and Perez-de-Taoro, M. and Peverini, O. A. and Pezzotta, F. and Piacentini, F. and Piccirillo, L. and Pisano, G. and Polastri, L. and Polenta, G. and Poletti, D. and Presta, G. and Realini, S. and Reyes, N. and Rocchi, A. and Rubino-Martin, J. A. and Sandri, M. and Sartor, S. and Schillaci, A. and Signorelli, G. and Soria, M. and Spinella, F. and Tapia, V. and Tartari, A. and Taylor, A. and Terenzi, L. and Tomasi, M. and Tommasi, E. and Tucker, C. and Vaccaro, D. and Vigano, D. M. and Villa, F. and Virone, G. and Vittorio, N. and Volpe, A. and Watkins, B. and Zacchei, A. and Zannoni, M. (2020) Progress Report on the Large-Scale Polarization Explorer. Journal of Low Temperature Physics, 200 (5-6). pp. 374-383. ISSN 0022-2291.

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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.

Item Type:Article
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Ade, P. A. R.0000-0002-5127-0401
Schillaci, A.0000-0002-0512-1042
Additional Information:© 2020 Springer Science+Business Media, LLC, part of Springer Nature. Received 05 August 2019; Accepted 21 March 2020; Published 17 April 2020.
Subject Keywords:Cosmic microwave background; B-modes; Transition edge sensors; Multi-moded optics
Issue or Number:5-6
Record Number:CaltechAUTHORS:20200828-093852572
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Official Citation:Lamagna, L., Addamo, G., Ade, P.A.R. et al. Progress Report on the Large-Scale Polarization Explorer. J Low Temp Phys 200, 374–383 (2020).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105137
Deposited By: Tony Diaz
Deposited On:28 Aug 2020 17:23
Last Modified:14 Dec 2020 22:16

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