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Progress Report on the Large-Scale Polarization Explorer.

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Title: Progress Report on the Large-Scale Polarization Explorer.
Authors: Lamagna, L.1,2 (AUTHOR) luca.lamagna@roma1.infn.it, Addamo, G.3 (AUTHOR), Ade, P. A. R.4 (AUTHOR), Baccigalupi, C.5 (AUTHOR), Baldini, A. M.6 (AUTHOR), Battaglia, P. M.7 (AUTHOR), Battistelli, E.1,2 (AUTHOR), Baù, A.8 (AUTHOR), Bersanelli, M.9,10 (AUTHOR), Biasotti, M.11,12 (AUTHOR), Boragno, C.11,12 (AUTHOR), Boscaleri, A.13 (AUTHOR), Caccianiga, B.10 (AUTHOR), Caprioli, S.9,10 (AUTHOR), Cavaliere, F.9,10 (AUTHOR), Cei, F.6,14 (AUTHOR), Cleary, K. A.15 (AUTHOR), Columbro, F.1,2 (AUTHOR), Coppi, G.16 (AUTHOR), Coppolecchia, A.1,2 (AUTHOR)
Source: Journal of Low Temperature Physics. Sep2020, Vol. 200 Issue 5/6, p374-383. 10p.
Subjects: Microsoft Internet explorer (Computer software), Cosmic background radiation, Gravity waves, Explorers, Progress, Polariscope
Geographic Terms: Tenerife (Canary Islands)
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. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Low Temperature Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Progress Report on the Large-Scale Polarization Explorer.
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  Data: <searchLink fieldCode="AR" term="%22Lamagna%2C+L%2E%22">Lamagna, L.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> luca.lamagna@roma1.infn.it</i><br /><searchLink fieldCode="AR" term="%22Addamo%2C+G%2E%22">Addamo, G.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ade%2C+P%2E+A%2E+R%2E%22">Ade, P. A. R.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baccigalupi%2C+C%2E%22">Baccigalupi, C.</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baldini%2C+A%2E+M%2E%22">Baldini, A. M.</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Battaglia%2C+P%2E+M%2E%22">Battaglia, P. M.</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Battistelli%2C+E%2E%22">Battistelli, E.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baù%2C+A%2E%22">Baù, A.</searchLink><relatesTo>8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bersanelli%2C+M%2E%22">Bersanelli, M.</searchLink><relatesTo>9,10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Biasotti%2C+M%2E%22">Biasotti, M.</searchLink><relatesTo>11,12</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boragno%2C+C%2E%22">Boragno, C.</searchLink><relatesTo>11,12</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boscaleri%2C+A%2E%22">Boscaleri, A.</searchLink><relatesTo>13</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Caccianiga%2C+B%2E%22">Caccianiga, B.</searchLink><relatesTo>10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Caprioli%2C+S%2E%22">Caprioli, S.</searchLink><relatesTo>9,10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cavaliere%2C+F%2E%22">Cavaliere, F.</searchLink><relatesTo>9,10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cei%2C+F%2E%22">Cei, F.</searchLink><relatesTo>6,14</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cleary%2C+K%2E+A%2E%22">Cleary, K. A.</searchLink><relatesTo>15</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Columbro%2C+F%2E%22">Columbro, F.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Coppi%2C+G%2E%22">Coppi, G.</searchLink><relatesTo>16</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Coppolecchia%2C+A%2E%22">Coppolecchia, A.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Low+Temperature+Physics%22">Journal of Low Temperature Physics</searchLink>. Sep2020, Vol. 200 Issue 5/6, p374-383. 10p.
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  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Low Temperature Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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