Descriptor: "cosmic background radiation: B-mode" - Searchworks@Jio Institute Digital Library Search Results

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18 results on '"cosmic background radiation: B-mode"'

1. A Constraint on Primordial B-modes from the First Flight of the Spider Balloon-borne Telescope

Author: Collaboration, SPIDER, Ade, PAR, Amiri, M, Benton, SJ, Bergman, AS, Bihary, R, Bock, JJ, Bond, JR, Bonetti, JA, Bryan, SA, Chiang, HC, Contaldi, CR, Doré, O, Duivenvoorden, AJ, Eriksen, HK, Farhang, M, Filippini, JP, Fraisse, AA, Freese, K, Galloway, M, Gambrel, AE, Gandilo, NN, Ganga, K, Gualtieri, R, Gudmundsson, JE, Halpern, M, Hartley, J, Hasselfield, M, Hilton, G, Holmes, W, Hristov, VV, Huang, Z, Irwin, KD, Jones, WC, Karakci, A, Kuo, CL, Kermish, ZD, Leung, JS-Y, Li, S, Mak, DSY, Mason, PV, Megerian, K, Moncelsi, L, Morford, TA, Nagy, JM, Netterfield, CB, Nolta, M, O'Brient, R, Osherson, B, Padilla, IL, Racine, B, Rahlin, AS, Reintsema, C, Ruhl, JE, Runyan, MC, Ruud, TM, Shariff, JA, Shaw, EC, Shiu, C, Soler, JD, Song, X, Trangsrud, A, Tucker, C, Tucker, RS, Turner, AD, List, JFVD, Weber, AC, Wehus, IK, Wen, S, Wiebe, DV, Young, EY, AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), SPIDER, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), and Science and Technology Facilities Council (STFC)
Subjects: noise, cosmological model, data analysis method, Cosmology and Nongalactic Astrophysics (astro-ph.CO), satellite: Planck, ANGULAR POWER SPECTRUM, CIRCULAR-POLARIZATION, FOS: Physical sciences, cosmic background radiation: polarization, detector: noise, STATISTICAL-ANALYSIS, Astrophysics::Cosmology and Extragalactic Astrophysics, Astronomy & Astrophysics, POLARIMETRY, Monte Carlo: Markov chain, cosmic background radiation: B-mode, DESIGN, 0201 Astronomical and Space Sciences, MICROWAVE BACKGROUND DATA, numerical calculations, Astrophysics::Galaxy Astrophysics, ANISOTROPY, 0306 Physical Chemistry (incl. Structural), polarization: linear, Science & Technology, perturbation: primordial, BOLOMETERS, synchrotron radiation, Computer Science::Information Retrieval, LIKELIHOOD ESTIMATOR, statistical analysis: Bayesian, Astronomy and Astrophysics, SPIDER, detector: sensitivity, Space and Planetary Science, density: perturbation, Physical Sciences, 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics, black body, astro-ph.CO, power spectrum: angular dependence, energy: density: primordial, galaxy, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], TRANSITION, Astrophysics - Cosmology and Nongalactic Astrophysics, cosmic background radiation: anisotropy
Abstract: We present the first linear polarization measurements from the 2015 long-duration balloon flight of SPIDER, an experiment designed to map the polarization of the cosmic microwave background (CMB) on degree angular scales. Results from these measurements include maps and angular power spectra from observations of 4.8% of the sky at 95 and 150 GHz, along with the results of internal consistency tests on these data. While the polarized CMB anisotropy from primordial density perturbations is the dominant signal in this region of sky, Galactic dust emission is also detected with high significance; Galactic synchrotron emission is found to be negligible in the SPIDER bands. We employ two independent foreground-removal techniques in order to explore the sensitivity of the cosmological result to the assumptions made by each. The primary method uses a dust template derived from Planck data to subtract the Galactic dust signal. A second approach, employing a joint analysis of SPIDER and Planck data in the harmonic domain, assumes a modified-blackbody model for the spectral energy distribution of the dust with no constraint on its spatial morphology. Using a likelihood that jointly samples the template amplitude and $r$ parameter space, we derive 95% upper limits on the primordial tensor-to-scalar ratio from Feldman-Cousins and Bayesian constructions, finding $r, 29 pages, 13 figures
Published: 2022

2. Polarization angle requirements for CMB B-mode experiments. Application to the LiteBIRD satellite

Author: Vielva, P., Martínez-González, E., Casas, F. J., Matsumura, T., Henrot-Versillé, S., Komatsu, E., Aumont, J., Aurlien, R., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartolo, N., Calabrese, E., Cheung, K., Columbro, F., Coppolecchia, A., de Bernardis, P., de Haan, T., de la Hoz, E., De Petris, M., Della Torre, S., Diego-Palazuelos, P., Eriksen, H. K., Errard, J., Finelli, F., Franceschet, C., Fuskeland, U., Galloway, M., Ganga, K., Gervasi, M., Génova-Santos, R. T., Ghigna, T., Gjerløw, E., Gruppuso, A., Hazumi, M., Herranz, D., Hivon, E., Kohri, K., Lamagna, L., Leloup, C., Macias-Perez, J., Masi, S., Matsuda, F. T., Morgante, G., Nakano, R., Nati, F., Natoli, P., Nerval, S., Odagiri, K., Oguri, S., Pagano, L., Paiella, A., Paoletti, D., Piacentini, F., Polenta, G., Puglisi, G., Remazeilles, M., Ritacco, A., Rubino-Martin, J. A., Scott, D., Sekimoto, Y., Shiraishi, M., Signorelli, G., Takakura, H., Tartari, A., Thompson, K. L., Tristram, M., Vacher, L., Vittorio, N., Wehus, I. K., Zannoni, M., Japan Society for the Promotion of Science, Ministry of Education, Culture, Sports, Science and Technology (Japan), Agenzia Spaziale Italiana, Ministerio de Ciencia, Innovación y Universidades (España), Istituto Nazionale di Astrofisica, Agencia Estatal de Investigación (España), National Aeronautics and Space Administration (US), Centre National D'Etudes Spatiales (France), Centre National de la Recherche Scientifique (France), European Commission, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), APC - Cosmologie, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Laboratoire de physique de l'ENS - ENS Paris (LPENS), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Département de Physique de l'ENS-PSL, École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL), LiteBIRD, Vielva, P, Martinez-Gonzalez, E, Casas, F, Matsumura, T, Henrot-Versille, S, Komatsu, E, Aumont, J, Aurlien, R, Baccigalupi, C, Banday, A, Barreiro, R, Bartolo, N, Calabrese, E, Cheung, K, Columbro, F, Coppolecchia, A, De Bernardis, P, De Haan, T, De La Hoz, E, De Petris, M, Della Torre, S, Diego-Palazuelos, P, Eriksen, H, Errard, J, Finelli, F, Franceschet, C, Fuskeland, U, Galloway, M, Ganga, K, Gervasi, M, Genova-Santos, R, Ghigna, T, Gjerlow, E, Gruppuso, A, Hazumi, M, Herranz, D, Hivon, E, Kohri, K, Lamagna, L, Leloup, C, Macias-Perez, J, Masi, S, Matsuda, F, Morgante, G, Nakano, R, Nati, F, Natoli, P, Nerval, S, Odagiri, K, Oguri, S, Pagano, L, Paiella, A, Paoletti, D, Piacentini, F, Polenta, G, Puglisi, G, Remazeilles, M, Ritacco, A, Rubino-Martin, J, Scott, D, Sekimoto, Y, Shiraishi, M, Signorelli, G, Takakura, H, Tartari, A, Thompson, K, Tristram, M, Vacher, L, Vittorio, N, Wehus, I, and Zannoni, M
Subjects: CMBR polarisation, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Settore FIS/05, satellite, FOS: Physical sciences, cosmic background radiation: polarization, Astronomy and Astrophysics, CMBR detectors, gravitational waves and CMBR polarization, optics, cosmic background radiation: B-mode, FIS/05 - ASTRONOMIA E ASTROFISICA, Settore FIS/05 - Astronomia e Astrofisica, polarization: correlation, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], CMBR detector, small-angle, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: The LiteBIRD collaboration: et al, A methodology to provide the polarization angle requirements for different sets of detectors, at a given frequency of a CMB polarization experiment, is presented. The uncertainties in the polarization angle of each detector set are related to a given bias on the tensor-to-scalar ratio r parameter. The approach is grounded in using a linear combination of the detector sets to obtain the CMB polarization signal. In addition, assuming that the uncertainties on the polarization angle are in the small angle limit (lower than a few degrees), it is possible to derive analytic expressions to establish the requirements. The methodology also accounts for possible correlations among detectors, that may originate from the optics, wafers, etc. The approach is applied to the LiteBIRD space mission. We show that, for the most restrictive case (i.e., full correlation of the polarization angle systematics among detector sets), the requirements on the polarization angle uncertainties are of around 1 arcmin at the most sensitive frequency bands (i.e., ≈ 150 GHz) and of few tens of arcmin at the lowest (i.e., ≈ 40 GHz) and highest (i.e., ≈ 400 GHz) observational bands. Conversely, for the least restrictive case (i.e., no correlation of the polarization angle systematics among detector sets), the requirements are ≈ 5 times less restrictive than for the previous scenario. At the global and the telescope levels, polarization angle knowledge of a few arcmins is sufficient for correlated global systematic errors and can be relaxed by a factor of two for fully uncorrelated errors in detector polarization angle. The reported uncertainty levels are needed in order to have the bias on r due to systematics below the limit established by the LiteBIRD collaboration., This work is supported in Japan by ISAS/JAXA for Pre-Phase A2 studies, by the acceleration program of JAXA research and development directorate, by the World Premier InJCAP04(2022)029– 19ternational Research Center Initiative (WPI) of MEXT, by the JSPS Core-to-Core Program of A. Advanced Research Networks, and by JSPS KAKENHI Grant Numbers JP15H05891, JP17H01115, and JP17H01125. The Italian LiteBIRD phase A contribution is supported by the Italian Space Agency (ASI Grants No. 2020-9-HH.0 and 2016-24-H.1-2018), the National Institute for Nuclear Physics (INFN) and the National Institute for Astrophysics (INAF). The French LiteBIRD phase A contribution is supported by the Centre National d’Etudes Spatiale (CNES), by the Centre National de la Recherche Scientifique (CNRS), and by the Commissariat à l’Energie Atomique (CEA). The Canadian contribution is supported by the Canadian Space Agency. The US contribution is supported by NASA grant no. 80NSSC18K0132. Norwegian participation in LiteBIRD is supported by the Research Council of Norway (Grant No. 263011). The Spanish LiteBIRD phase A contribution is supported by the Spanish Agencia Estatal de Investigación (AEI), project refs. ESP2017-83921C2-1-R, PID2019-110610RB-C21, PID2020-120514GB-I00, ProID2020010108,and funding from Unidad de Excelencia María de Maeztu (MDM-2017-0765) co-funded with EU FEDER funds. Funds that support the Swedish contributions come from the Swedish National Space Agency (SNSA/Rymdstyrelsen) and the Swedish Research Council (Reg. no. 201903959). The German participation in LiteBIRD is supported in part by the Excellence Cluster ORIGINS, which is funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy (Grant No. EXC-2094 — 390783311). We m
Published: 2022

3. A Measurement of the Degree Scale CMB B-mode Angular Power Spectrum with POLARBEAR

Author: Julien Carron, M. A. Dobbs, C. Tsai, Dominic Beck, D. Leon, Ted Kisner, Aashrita Mangu, D. Boettger, Christian L. Reichardt, A. T. P. Pham, Kam Arnold, Akito Kusaka, Nicoletta Krachmalnicoff, T. Hamada, John Groh, S. Beckman, Josquin Errard, Ben Westbrook, Nathan Stebor, Neil Goeckner-Wald, Reijo Keskitalo, Daisuke Kaneko, Greg Jaehnig, Kevin T. Crowley, S. Takatori, Masaya Hasegawa, D. Tanabe, Tucker Elleflot, Giulio Fabbian, L. Howe, A. Cukierman, T. Fujino, Y. Zhou, S. Takakura, Eric V. Linder, Julian Borrill, N. Katayama, Yuki Inoue, Davide Poletti, Praween Siritanasak, Haruki Nishino, Yuto Minami, Yuji Chinone, Y. Segawa, H. El Bouhargani, Osamu Tajima, Aritoki Suzuki, N. W. Halverson, Darcy Barron, Masashi Hazumi, L. N. Lowry, G. Hall, Frederick Matsuda, Federico Bianchini, Scott Chapman, M. Navaroli, R. Stompor, Nicholas Galitzki, Clara Vergès, Maximiliano Silva-Feaver, Oliver Jeong, M. A. O. Aguilar Faúndez, Grant Teply, Brian Keating, Shunsuke Adachi, S. Kikuchi, K. Cheung, Adrian T. Lee, Giuseppe Puglisi, Charles A. Hill, Chang Feng, C. Baccigalupi, AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), POLARBEAR, Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Adachi, S, Aguilar Faundez, M, Arnold, K, Baccigalupi, C, Barron, D, Beck, D, Beckman, S, Bianchini, F, Boettger, D, Borrill, J, Carron, J, Chapman, S, Cheung, K, Chinone, Y, Crowley, K, Cukierman, A, Dobbs, M, Bouhargani, H, Elleflot, T, Errard, J, Fabbian, G, Feng, C, Fujino, T, Galitzki, N, Goeckner-Wald, N, Groh, J, Hall, G, Halverson, N, Hamada, T, Hasegawa, M, Hazumi, M, Hill, C, Howe, L, Inoue, Y, Jaehnig, G, Jeong, O, Kaneko, D, Katayama, N, Keating, B, Keskitalo, R, Kikuchi, S, Kisner, T, Krachmalnicoff, N, Kusaka, A, Lee, A, Leon, D, Linder, E, Lowry, L, Mangu, A, Matsuda, F, Minami, Y, Navaroli, M, Nishino, H, Pham, A, Poletti, D, Puglisi, G, Reichardt, C, Segawa, Y, Silva-Feaver, M, Siritanasak, P, Stebor, N, Stompor, R, Suzuki, A, Tajima, O, Takakura, S, Takatori, S, Tanabe, D, Teply, G, Tsai, C, Verges, C, Westbrook, B, Zhou, Y, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), APC - Cosmologie, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Cosmic microwave background radiation, Cosmic inflation, Cosmology, Observational cosmology, cosmological model, 010504 meteorology & atmospheric sciences, Cosmic microwave background, Astrophysics, 01 natural sciences, Atomic, Physical Chemistry, Spectral line, thermal, Cosmic microwave background radiationCosmic inflationCosmologyObservational cosmology, Particle and Plasma Physics, polarization: power spectrum, 010303 astronomy & astrophysics, media_common, Physics, Settore FIS/05, Polarization (waves), symbols, astro-ph.CO, power spectrum: angular dependence, Astronomical and Space Sciences, Physical Chemistry (incl. Structural), Astrophysics - Cosmology and Nongalactic Astrophysics, data analysis method, noise, Cosmology and Nongalactic Astrophysics (astro-ph.CO), satellite: Planck, media_common.quotation_subject, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astronomy & Astrophysics, frequency: high, cosmic background radiation: B-mode, symbols.namesake, Settore FIS/05 - Astronomia e Astrofisica, gravitation: lens, statistical analysis, 0103 physical sciences, Nuclear, Planck, cosmic background radiation: power spectrum, inflation, 0105 earth and related environmental sciences, gravitational radiation: primordial, gravitational radiation, Spectral density, Molecular, Astronomy and Astrophysics, Square degree, detector: sensitivity, Space and Planetary Science, Sky, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: We present a measurement of the $B$-mode polarization power spectrum of the cosmic microwave background (CMB) using taken from July 2014 to December 2016 with the POLARBEAR experiment. The CMB power spectra are measured using observations at 150 GHz with an instantaneous array sensitivity of $\mathrm{NET}_\mathrm{array}=23\, \mu \mathrm{K} \sqrt{\mathrm{s}}$ on a 670 square degree patch of sky centered at (RA, Dec)=($+0^\mathrm{h}12^\mathrm{m}0^\mathrm{s},-59^\circ18^\prime$). A continuously rotating half-wave plate is used to modulate polarization and to suppress low-frequency noise. We achieve $32\,\mu\mathrm{K}$-$\mathrm{arcmin}$ effective polarization map noise with a knee in sensitivity of $\ell = 90$, where the inflationary gravitational wave signal is expected to peak. The measured $B$-mode power spectrum is consistent with a $\Lambda$CDM lensing and single dust component foreground model over a range of multipoles $50 \leq \ell \leq 600$. The data disfavor zero $C_\ell^{BB}$ at $2.2\sigma$ using this $\ell$ range of POLARBEAR data alone. We cross-correlate our data with Planck high frequency maps and find the low-$\ell$ $B$-mode power in the combined dataset to be consistent with thermal dust emission. We place an upper limit on the tensor-to-scalar ratio $r < 0.90$ at 95% confidence level after marginalizing over foregrounds.
Published: 2019

4. Is patchy reionization an obstacle in detecting the primordial gravitational wave signal?

Author: S. Paul, Suvodip Mukherjee, Tirthankar Roy Choudhury, Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut Lagrange de Paris, Sorbonne Université (SU), and Sorbonne Universités
Subjects: electron, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Cosmic microwave background, first stars, Cosmic background radiation, halo, cosmic background radiation: polarization, FOS: Physical sciences, Astrophysics, cosmic background radiation, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, B-mode: primordial, cosmic background radiation: B-mode, 0103 physical sciences, ionization, cosmic background radiation: power spectrum, dark ages, 010303 astronomy & astrophysics, Reionization, Physics, spatial distribution, 010308 nuclear & particles physics, Gravitational wave, gravitational radiation: primordial, Astrophysics::Instrumentation and Methods for Astrophysics, Spectral density, Astronomy and Astrophysics, Astrophysics - Astrophysics of Galaxies, recombination, observatory, Amplitude, frequency: low, Space and Planetary Science, efficiency, cosmology: observations, Astrophysics of Galaxies (astro-ph.GA), Dark Ages, reionization, Halo, history, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: The large-scale CMB B-mode polarization is the direct probe to the low frequency primordial gravitational wave signal. However, unambiguous measurement of this signal requires a precise understanding of the possible contamination. One such potential contamination arises from the patchiness in the spatial distribution of free electrons during the epoch of reionization. We estimate the B-mode power spectrum due to patchy reionization using a combination of \emph{photon-conserving} semi-numerical simulation and analytical calculation, and compare its amplitude with the primordial B-mode signal. For a reionization history which is in agreement with several latest observations, we find that a stronger secondary B-mode polarization signal is produced when the reionization is driven by the sources in massive halos and its amplitude can be comparable to the recombination bump for tensor to scalar ratio $(r) \lesssim 5 \times 10^{-4}$. If contamination from patchy reionization is neglected in the analysis of B-mode polarization data, then for the models of reionization considered in this analysis, we find a maximum bias of about $30\%$ in the value of $r=\,10^{-3}$ when spatial modes between $\ell \in [50, 200]$ are used with a delensing efficiency of $50\%$. The inferred bias from patchy reionization is not a severe issue for the upcoming ground-based CMB experiment Simons Observatory, but can be a potential source of confusion for proposed CMB experiments which target to detect the value of $r< 10^{-3}$. However, this obstacle can be removed by utilizing the difference in the shape of the power spectrum from the primordial signal., 9 pages, 6 figures. Reference added
Published: 2019
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5. The C-Band All-Sky Survey (C-BASS):Design and capabilities

Author: Luke R. P. Jew, H M Heilgendorff, Jamie Leech, Angela C. Taylor, Stephen Muchovej, Justin L. Jonas, Clive Dickinson, A. C. S. Readhead, Charles Copley, O. G. King, Mark Stevenson, C. M. Holler, T. J. Pearson, R. D. P. Grumitt, H. Cynthia Chiang, Yaser Hafez, Moumita Aich, E. M. Leitch, J. J. John, R. J. Davis, Jonathan Sievers, M. Jones, J. P. Leahy, Michael W. Peel, Joe Zuntz, M. O. Irfan, Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), C-BASS, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Laboratoire AIM, and Université Paris Diderot - Paris 7 ( UPD7 ) -Centre d'Etudes de Saclay
Subjects: Planck, Diffuse radiation, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmic microwave background, radio continuum: general, Surveys, 01 natural sciences, 7. Clean energy, rotation, law.invention, law, optical, data analysis [Methods], [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010303 astronomy & astrophysics, media_common, Physics, general [Radio continuum], Astrophysics::Instrumentation and Methods for Astrophysics, imaging, Polarization (waves), CMB cold spot, instrumentation: miscellaneous, symbols, astro-ph.CO, miscellaneous [Instrumentation], Astrophysics - Instrumentation and Methods for Astrophysics, performance, Astrophysics - Cosmology and Nongalactic Astrophysics, cosmic microwave background, Cosmology and Nongalactic Astrophysics (astro-ph.CO), media_common.quotation_subject, FOS: Physical sciences, magnetic field: galaxy, Astrophysics::Cosmology and Extragalactic Astrophysics, frequency: high, Telescope, cosmic background radiation: B-mode, symbols.namesake, polarization: measured, surveys, 0103 physical sciences, synchrotron, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Astrophysics::Galaxy Astrophysics, Radiometer, beam: polarization, Astronomy, resolution, Astronomy and Astrophysics, Polarimeter, stability, methods: data analysis, diffuse radiation, 13. Climate action, Space and Planetary Science, Sky, WMAP, correlation, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], astro-ph.IM
Abstract: The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarisation survey at a frequency of 5 GHz, designed to provide complementary data to the all-sky surveys of WMAP and Planck, and future CMB B-mode polarization imaging surveys. The observing frequency has been chosen to provide a signal that is dominated by Galactic synchrotron emission, but suffers little from Faraday rotation, so that the measured polarization directions provide a good template for higher frequency observations, and carry direct information about the Galactic magnetic field. Telescopes in both northern and southern hemispheres with matched optical performance are used to provide all-sky coverage from a ground-based experiment. A continuous-comparison radiometer and a correlation polarimeter on each telescope provide stable imaging properties such that all angular scales from the instrument resolution of 45 arcmin up to full sky are accurately measured. The northern instrument has completed its survey and the southern instrument has started observing. We expect that C-BASS data will significantly improve the component separation analysis of Planck and other CMB data, and will provide important constraints on the properties of anomalous Galactic dust and the Galactic magnetic field., Comment: 21 pages, 9 figures
Published: 2018

6. PICO - the probe of inflation and cosmic origins

Author: Marcelo A. Alvarez, James J. Bock, Thomas Essinger-Hileman, J. Borrill, Nicholas Battaglia, Lloyd Knox, Christopher G. Paine, A. Trangsrud, Peter Shirron, Krzysztof M. Gorski, Daniel Green, David T. Chuss, Charles R. Lawrence, C. Pryke, Mattia Negrello, Laura M. Fissel, Tomotake Matsumura, W. C. Jones, Raphael Flauger, Johannes Hubmayr, Mark J. Devlin, Joelle Cooperrider, Matteo Bonato, Gianfranco De Zotti, B. P. Crill, Qi Wen, Bradley R. Johnson, Alan J. Kogut, Brian M. Sutin, Shaul Hanany, Roger O'Brient, Jeff McMahon, Karl Young, Jacques Delabrouille, Département d'Astrophysique (ex SAP) (DAP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Lystrup, Makenzie, MacEwen, Howard A., Fazio, Giovanni G., Batalha, Natalie, Siegler, Nicholas, Tong, Edward C., Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), MacEwen, Howard A, Fazio, Giovanni G, and Tong, Edward C
Subjects: Cosmic microwave background, cosmic background radiation: polarization, 01 natural sciences, 7. Clean energy, Polarization, Cosmic Microwave Background, B-modes, optical, neutrino: mass, Physics, Astrophysics::Instrumentation and Methods for Astrophysics, star: formation, probe-class, cryocooling, B-Modes, frequency, astro-ph.CO, symbols, readout, dust, history, Neutrino, Astrophysics - Instrumentation and Methods for Astrophysics, bolometers, Astrophysics - Cosmology and Nongalactic Astrophysics, Big Bang, cosmic microwave background, scale: inflation, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Dark matter, Cosmic background radiation, FOS: Physical sciences, magnetic field: galaxy, Astrophysics::Cosmology and Extragalactic Astrophysics, Sunyaev–Zel'dovich effect, space mission, cosmic background radiation: B-mode, symbols.namesake, bolometer, Probe-class, 0103 physical sciences, ionization, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Planck, 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Reionization, polarization, 010308 nuclear & particles physics, synchrotron radiation, big bang, Astronomy, 13. Climate action, galaxy, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], astro-ph.IM
Abstract: The Probe of Inflation and Cosmic Origins (PICO) is a NASA-funded study of a Probe-class mission concept. The top-level science objectives are to probe the physics of the Big Bang by measuring or constraining the energy scale of inflation, probe fundamental physics by measuring the number of light particles in the Universe and the sum of neutrino masses, to measure the reionization history of the Universe, and to understand the mechanisms driving the cosmic star formation history, and the physics of the galactic magnetic field. PICO would have multiple frequency bands between 21 and 799 GHz, and would survey the entire sky, producing maps of the polarization of the cosmic microwave background radiation, of galactic dust, of synchrotron radiation, and of various populations of point sources. Several instrument configurations, optical systems, cooling architectures, and detector and readout technologies have been and continue to be considered in the development of the mission concept. We will present a snapshot of the baseline mission concept currently under development., 11 pages, 5 Figure, submitted to SPIE, Proceedings of the Conference on Astronomical Telescopes and Instrumentation, 2018
Published: 2018

7. QUBIC: Exploring the Primordial Universe with the Q&U Bolometric Interferometer

Author: Mennella, A, Ade, P, Amico, G, Auguste, D, Aumont, J, Banfi, S, Barbaran, G, Battaglia, P, Battistelli, E, Bau, A, Belier, B, Bennett, Dg, Berge, L, Bernard, Jp, Bersanelli, M, Sazy, Mab, Bleurvacq, N, Bonaparte, J, Bonis, J, Bunn, E, Burke, D, Buzi, D, Buzzelli, A, Cavaliere, F, Chanial, P, Chapron, C, Charlassier, R, Columbro, F, Coppi, G, Coppolecchia, A, D'Agostino, R, D'Aless, Giuseppe, R, De Bernardis, P, De Gasperis, G, De Leo, M, De Petris, M, Di Donato, A, Dumoulin, L, Etchegoyen, A, Fasciszewski, A, Franceschet, C, Gamboa Lerena, Mm, Garcia, B, Garrido, X, Gaspard, M, Gault, A, A, Gayer, D, Gervasi, M, Giard, M, Heraud, Yg, Gomez Berisso, M, Gonzalez, M, Gradziel, M, Sire, L, Guerard, E, Hamilton, Jc, Harari, D, Haynes, V, Versille, Sh, Duc Thuong Hoang, Holtzer, N, Incardona, F, Jules, E, Kaplan, J, Korotkov, A, Kristukat, C, Lamagna, L, Loucatos, S, Louis, T, Lowitz, A, Lukovic, V, Horacio Luterstein, R, Maffei, B, Marnieros, S, Masi, S, Mattei, A, May, A, Mcculloch, M, Clementina Medina, M, Mele, L, Melhuish, Sj, Montier, L, Mousset, L, Mariano Mundo, L, Murphy, Ja, Murphy, Jd, O'Sullivan, C, Olivieri, E, Paiella, A, Pajot, F, Passerini, A, Pastoriza, H, Pelosi, A, Perbost, C, Perciballi, M, Pezzotta, F, Piacentini, F, Piat, M, Piccirillo, L, Pisano, G, Polenta, G, Prele, D, Puddu, R, Rambaud, D, Ringegni, P, Romero, Ge, Salatino, M, Schillaci, A, Scoccola, Cg, Scully, Sp, Spinelli, S, Stankowiak, G, Stolpovskiy, M, Suarez, F, Tartari, A, Thermeau, Jp, Timbie, P, Tomasi, M, Torchinsky, Sa, Tristram, M, Tucker, Ce, Tucker, Gs, Vanneste, S, Vigano, D, Vittorio, N, Voisin, F, Watson, R, Wicek, F, Zannoni, M, Zullo, A, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Centre de Nanosciences et de Nanotechnologies [Orsay] (C2N), Université Paris-Sud - Paris 11 (UP11)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Mennella, A, Ade, P, Amico, G, Auguste, D, Aumont, J, Banfi, S, Barbaràn, G, Battaglia, P, Battistelli, E, Baù, A, Bélier, B, Bennett, D, Bergé, L, Bernard, J, Bersanelli, M, Sazy, M, Bleurvacq, N, Bonaparte, J, Bonis, J, Bunn, E, Burke, D, Buzi, D, Buzzelli, A, Cavaliere, F, Chanial, P, Chapron, C, Charlassier, R, Columbro, F, Coppi, G, Coppolecchia, A, D’Agostino, R, D’Alessandro, G, Bernardis, P, Gasperis, G, Leo, M, Petris, M, Donato, A, Dumoulin, L, Etchegoyen, A, Fasciszewski, A, Franceschet, C, Lerena, M, Garcia, B, Garrido, X, Gaspard, M, Gault, A, Gayer, D, Gervasi, M, Giard, M, Héraud, Y, Berisso, M, González, M, Gradziel, M, Grandsire, L, Guerard, E, Hamilton, J, Harari, D, Haynes, V, Versillé, S, Hoang, D, Holtzer, N, Incardona, F, Jules, E, Kaplan, J, Korotkov, A, Kristukat, C, Lamagna, L, Loucatos, S, Louis, T, Lowitz, A, Lukovic, V, Luterstein, R, Maffei, B, Marnieros, S, Masi, S, Mattei, A, May, A, Mcculloch, M, Medina, M, Mele, L, Melhuish, S, Montier, L, Mousset, L, Mundo, L, Murphy, J, O’Sullivan, C, Olivieri, E, Paiella, A, Pajot, F, Passerini, A, Pastoriza, H, Pelosi, A, Perbost, C, Perciballi, M, Pezzotta, F, Piacentini, F, Piat, M, Piccirillo, L, Pisano, G, Polenta, G, Prêle, D, Puddu, R, Rambaud, D, Ringegni, P, Romero, G, Salatino, M, Schillaci, A, Scóccola, C, Scully, S, Spinelli, S, Stankowiak, G, Stolpovskiy, M, Suarez, F, Tartari, A, Thermeau, J, Timbie, P, Tomasi, M, Torchinsky, S, Tristram, M, Tucker, C, Tucker, G, Vanneste, S, Viganò, D, Vittorio, N, Voisin, F, Watson, R, Wicek, F, Zannoni, M, and Zullo, A
Subjects: [SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], General Physics and Astronomy, cosmic background radiation: polarization, 01 natural sciences, law.invention, purl.org/becyt/ford/1 [https], law, Cosmic Microwave Background, Astronomical interferometer, B-modes, ComputingMilieux_MISCELLANEOUS, media_common, Physics, bolometers, inflation, polarimetry, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, imaging, Interferometry, B-mode, Astrophysics - Instrumentation and Methods for Astrophysics, medicine.medical_specialty, lcsh:QC793-793.5, Frequency band, media_common.quotation_subject, interferometer, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Radio spectrum, microwaves, cosmic background radiation: B-mode, FIS/05 - ASTRONOMIA E ASTROFISICA, Physics and Astronomy (all), Settore FIS/05 - Astronomia e Astrofisica, bolometer, 0103 physical sciences, medicine, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Astrophysics::Galaxy Astrophysics, 010308 nuclear & particles physics, Bolometer, lcsh:Elementary particle physics, Astronomy, purl.org/becyt/ford/1.3 [https], polarization: monitoring, Spectral imaging, Astronomía, detector: sensitivity, Sky, engCORE - IT Carlow, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Bolometers, Inflation, Polarimetry
Abstract: In this paper, we describe QUBIC, an experiment that will observe the polarized microwave sky with a novel approach, which combines the sensitivity of state-of-the-art bolometric detectors with the systematic effects control typical of interferometers. QUBIC’s unique features are the so-called “self-calibration”, a technique that allows us to clean the measured data from instrumental effects, and its spectral imaging power, i.e., the ability to separate the signal into various sub-bands within each frequency band. QUBIC will observe the sky in two main frequency bands: 150 GHz and 220 GHz. A technological demonstrator is currently under testing and will be deployed in Argentina during 2019, while the final instrument is expected to be installed during 2020., La lista completa de autores que integran el documento puede consultarse en el archivo., Facultad de Ciencias Astronómicas y Geofísicas
Published: 2018

8. Electrical characterization and tuning of the integrated POLARBEAR-2a focal plane and readout (Conference Presentation)

Author: J. Borrill, Paul L. Richards, Stephen M. Feeney, A. T. P. Pham, J. Peloton, Darcy Barron, Mario Aguilar, Josquin Errard, L. N. Lowry, D. Beck, A. Cukierman, Akito Kusaka, M. Le Jeune, Neil Goeckner-Wald, Max Silva Feaver, W. L. Holzapfel, Nicoletta Krachmalnicoff, Gabriele Coppi, H. Roberts, Peter Ashton, A. Tikhomirov, M. A. Dobbs, Osamu Tajima, D. Leon, Masashi Hazumi, P. A. R. Ade, Grant Teply, Nathan J. Miller, Colin Ross, Nicholas Galitzki, P. Siritanasak, Blake D. Sherwin, Tucker Elleflot, Y. Akiba, K. M. Rotermund, S. Beckman, A. J. Gilbert, Christian L. Reichardt, R. Dunner, Gary A. Fuller, Oliver Jeong, Eric V. Linder, A. Madurowicz, Giulio Fabbian, John Groh, Jessica Avva, Yuki Inoue, S. Takatori, G. Jaehnig, Carlo Baccigalupi, Giuseppe Puglisi, Charles A. Hill, S. Takakura, Andrew May, Scott Chapman, D. Plambeck, Kevin T. Crowley, D. Tanabe, Kam Arnold, Brian Keating, Aamir Ali, Benjamin Westbrook, M. Navroli, Adrian T. Lee, Jennifer Ito, Masaya Hasegawa, Aritoki Suzuki, Federico Bianchini, Theodore Kisner, Julien Carron, Tomotake Matsumura, Reijo Keskitalo, Daisuke Kaneko, Y. Segawa, T. Natoli, Frederick Matsuda, Yuji Chinone, N. W. Halverson, R. Stompor, T. de Haan, T. Hamada, A. Zahn, Amy N. Bender, D. Boettger, Takayuki Tomaru, R. Tat, A. Lowitz, Chang Feng, C. Tsai, Lucio Piccirillo, Leo Steinmetz, Nobuhiko Katayama, Daisy Mak, Davide Poletti, C. Verges, L. Howe, Haruki Nishino, A. Anderson, Yuto Minami, Gabriel M. Rebeiz, Nathan Whitehorn, Christopher Raum, Joshua Montgomery, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, and PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)
Subjects: temperature: transition, Cosmic microwave background, cosmic background radiation: polarization, frequency-division multiplexing, Astrophysics::Cosmology and Extragalactic Astrophysics, SQUID, 01 natural sciences, 010305 fluids & plasmas, law.invention, cosmic background radiation: B-mode, Optics, bolometer, gravitation: lens, law, 0103 physical sciences, millimeter-wave, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], inflation, 010306 general physics, Physics, Gravitational wave, business.industry, superconductivity, Detector, Bolometer, Astrophysics::Instrumentation and Methods for Astrophysics, gravitational radiation: primordial, Spectral density, cosmic microwave background polarization, stability, Polarization (waves), transition-edge sensor, Extremely high frequency, resonance: frequency, power spectrum: angular dependence, readout, dfmux, Transition edge sensor, business, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: International audience; POLARBEAR is a cosmic microwave background (CMB) polarization experiment located in the Atacama desert in Chile. The science goals of the POLARBEAR project are to do a deep search for CMB B-mode polarization created by inflationary gravitational waves, as well as characterize the CMB B-mode signal from gravitational lensing. POLARBEAR-1 started observations in 2012, and the POLARBEAR team has published a series of results from its first two seasons of observations, including the first measurement of a non-zero B-mode polarization angular power spectrum, measured at sub-degree scales where the dominant signal is gravitational lensing of the CMB. The Simons Array expands POLARBEAR to include an additional two telescopes with next-generation POLARBEAR-2 multi-chroic receivers, observing at 95, 150, 220, and 270 GHz.The POLARBEAR-2A focal plane has 7,588 transition-edge sensor bolometers, read out with frequency-division multiplexing, with 40 frequency channels within the readout bandwidth of 1.5 to 4.5 MHz. The frequency channels are defined by a low-loss lithographed aluminum spiral inductor and interdigitated capacitor in series with each bolometer, creating a resonant frequency for each channel's unique voltage bias and current readout. Characterization of the readout includes measuring resonant peak locations and heights and fitting to a circuit model both above and below the bolometer superconducting transition temperature. This information is used determine the optimal detector bias frequencies and characterize stray impedances which may affect bolometer operation and stability. The detector electrical characterization includes measurements of the transition properties by sweeping in temperature and in voltage bias, measurements of the bolometer saturation power, as well as measuring and removing any biases introduced by the readout circuit. We present results from the characterization, tuning, and operation of the fully integrated focal plane and readout for the first POLARBEAR-2 receiver, POLARBEAR-2A, during its pre-deployment integration run.
Published: 2018

9. 2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization

Author: Jae Hwan Kang, Cheng Zhang, Ki Won Yoon, Hung-I Yang, Wai Ling K. Wu, Chin Lin Wong, Justin Willmert, Don Wiebe, Alexis C. Weber, Albert Wandui, Abigail G. Vieregg, Caterina Umiltà, Anthony D. Turner, Carole Tucker, James E. Tolan, Keith L. Thompson, Grant P. Teply, Rashmi Sudiwala, Bryan Steinbach, Zachary K. Staniszewski, Tyler St Germaine, Ahmed Soliman, Chris D. Sheehy, Robert Schwarz, Alessandro Schillaci, Steffen Richter, Benjamin Racine, Clement Pryke, Stephen Palladino, R. W. Ogburn IV, Roger O'brient, Hien T. Nguyen, C. B. Netterfield, Toshiya Namikawa, Lorenzo Moncelsi, Koko G. Megerian, Martin Lueker, Erik M. Leitch, King Lau, Nicole Larsen, Chao-Lin Kuo, John M. Kovac, Sarah A. Kernasovskiy, Sinan Kefeli, Brian G. Keating, Jonathan Kaufman, Ethan Karpel, Kirit S. Karkare, Kent D. Irwin, Howard Hui, Gene C. Hilton, Sergi Hildebrandt, Sam A. Harrison, Mark Halpern, Grantland Hall, James A. Grayson, Stefan Fliescher, Jeff P. Filippini, Cora Dvorkin, Lionel Duband, Marion Dierickx, Michael Crumrine, Brendan Crill, James Cornelison, Jake Conners, Victor Buza, Eric Bullock, Immanuel Buder, Justus A. Brevik, Rachel Bowens-Rubin, Hans Boenish, James J. Bock, Colin A. Bischoff, Steve J. Benton, Denis Barkats, Kate D. Alexander, Randol Aikin, Zeeshan Ahmed, Peter A. Ade, Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Zmuidzinas, Jonas, and Gao, Jian-Rong
Subjects: noise, Cosmology and Nongalactic Astrophysics (astro-ph.CO), detector: performance, Cosmic microwave background, FOS: Physical sciences, cosmic background radiation: polarization, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, BICEP3, law.invention, cosmic background radiation: B-mode, Optics, bolometer, law, Polarization, 0103 physical sciences, Cosmic Microwave Background, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Instrumentation and Methods for Astrophysics (astro-ph.IM), 010303 astronomy & astrophysics, Physics::Atmospheric and Oceanic Physics, Physics, Gravitational Waves, Gravitational wave, business.industry, beam: width, Bolometer, Astrophysics::Instrumentation and Methods for Astrophysics, gravitational radiation: primordial, Polarization (waves), detector: upgrade, Inflation, optics, Cardinal point, Upgrade, Refracting telescope, Keck Array, Transition edge sensor, Astrophysics - Instrumentation and Methods for Astrophysics, business, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: BICEP3 is a 520mm aperture on-axis refracting telescope observing the polarization of the cosmic microwave background (CMB) at 95GHz in search of the B-mode signal originating from inflationary gravitational waves. BICEP3's focal plane is populated with modularized tiles of antenna-coupled transition edge sensor (TES) bolometers. BICEP3 was deployed to the South Pole during 2014-15 austral summer and has been operational since. During the 2016-17 austral summer, we implemented changes to optical elements that lead to better noise performance. We discuss this upgrade and show the performance of BICEP3 at its full mapping speed from the 2017 and 2018 observing seasons. BICEP3 achieves an order-of-magnitude improvement in mapping speed compared to a Keck 95GHz receiver. We demonstrate $6.6\mu K\sqrt{s}$ noise performance of the BICEP3 receiver., Comment: 12 pages, 9 figures, Published in Proc. SPIE. Presented at SPIE Astronomical Telescopes and Instrumentation Conference 10708: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, June 2018
Published: 2018

10. Signatures of graviton masses on the CMB

Author: Anne-Christine Davis, Sebastian Cespedes, Philippe Brax, Institut de Physique Théorique - UMR CNRS 3681 (IPHT), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Department of Applied Mathematics and Theoretical Physics (DAMTP), University of Cambridge [UK] (CAM), European Project: 690575,H2020,H2020-MSCA-RISE-2015,InvisiblesPlus(2016), De Laborderie, Emmanuelle, InvisiblesPlus - InvisiblesPlus - - H20202016-02-01 - 2020-01-31 - 690575 - VALID, Institut de Physique Théorique - UMR CNRS 3681 ( IPHT ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay-Centre National de la Recherche Scientifique ( CNRS ), and Centre National de la Recherche Scientifique (CNRS)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)
Subjects: cosmological model, Physics::General Physics, Cosmology and Nongalactic Astrophysics (astro-ph.CO), [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmic microwave background, FOS: Physical sciences, cosmic background radiation: spectrum, Astrophysics, General Relativity and Quantum Cosmology (gr-qc), Astrophysics::Cosmology and Extragalactic Astrophysics, power spectrum, graviton: mass, 01 natural sciences, Instability, General Relativity and Quantum Cosmology, [ PHYS.GRQC ] Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], [PHYS] Physics [physics], cosmic background radiation: B-mode, High Energy Physics::Theory, 0103 physical sciences, bimetric, gravitation: massive, inflation, 010306 general physics, Inflation (cosmology), Physics, [PHYS]Physics [physics], graviton: signature, 010308 nuclear & particles physics, Gravitational wave, Graviton, gravitational radiation, Spectral density, tachyon: stability, Astronomy and Astrophysics, Massless particle, Massive gravity, 13. Climate action, [PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc], mass: gravitation, [PHYS.ASTR] Physics [physics]/Astrophysics [astro-ph], [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: The impact of the existence of gravitons with non-vanishing masses on the B modes of the Cosmic Microwave Background (CMB) is investigated. We also focus on putative modifications to the speed of the gravitational waves. We find that a change of the graviton speed shifts the acoustic peaks of the CMB and then could be easily constrained. For the case of massive gravity, we show analytically how the B modes are sourced in a manner differing from the massless case leading to a plateau at low $l$ in the CMB spectrum. We also study the case when there are more than one graviton, and when pressure instabilities are present. The latter would occur in doubly coupled bigravity in the radiation era. We focus on the case where a massless graviton becomes tachyonic in the radiation era whilst a massive one remains stable. As the unstable mode decouples from matter in the radiation era, we find that the effects of the instability is largely reduced on the spectrum of B-modes as long as the unstable graviton does not grow into the non-linear regime. In all cases when both massless and massive gravitons are present, we find that the B-mode CMB spectrum is characterised by a low $l$ plateau together with a shifted position for the first few peaks compared to a purely massive graviton spectrum, a shift which depends on the mixing between the gravitons in their coupling to matter and could serve as a hint in favour of the existence of multiple gravitons., Instability section updated. Some references added
Published: 2018

11. Exploring cosmic origins with CORE: $B$-mode component separation

Author: Remazeilles , M., Banday , A.J., Baccigalupi , C., Basak , S., Bonaldi , A., De Zotti , G., Delabrouille , J., Dickinson , C., Eriksen , H.K., Errard , J., Fernandez-Cobos , R., Fuskeland , U., Hervías-Caimapo , C., López-Caniego , M., Martinez-González , E., Roman , M., Vielva , P., Wehus , I., Achucarro , A., Ade , P., Allison , R., Ashdown , M., Ballardini , M., Banerji , R., Bartolo , N., Bartlett , J., Baumann , D., Bersanelli , M., Bonato , M., Borrill , J., Bouchet , F., Boulanger , F., Brinckmann , T., Bucher , M., Burigana , C., Buzzelli , A., Cai , Z.Y., Calvo , M., Carvalho , C.S., Castellano , G., Challinor , A., Chluba , J., Clesse , S., Colantoni , I., Coppolecchia , A., Crook , M., D'Alessandro , G., De Bernardis , P., De Gasperis , G., Diego , J.M., Di Valentino , E., Feeney , S., Ferraro , S., Finelli , F., Forastieri , F., Galli , S., Genova-Santos , R., Gerbino , M., González-Nuevo , J., Grandis , S., Greenslade , J., Hagstotz , S., Hanany , S., Handley , W., Hernandez-Monteagudo , C., Hills , M., Hivon , E., Kiiveri , K., Kisner , T., Kitching , T., Kunz , M., Kurki-Suonio , H., Lamagna , L., Lasenby , A., Lattanzi , M., Lesgourgues , J., Lewis , A., Liguori , M., Lindholm , V., Luzzi , G., Maffei , B., Martins , C.J.A.P., Masi , S., McCarthy , D., Melin , J.B., Melchiorri , A., Molinari , D., Monfardini , A., Natoli , P., Negrello , M., Notari , A., Paiella , A., Paoletti , D., Patanchon , G., Piat , M., Pisano , G., Polastri , L., Polenta , G., Pollo , A., Poulin , V., Quartin , M., Rubino-Martin , J.A., Salvati , L., Tartari , A., Tomasi , M., Tramonte , D., Trappe , N., Trombetti , T., Tucker , C., Valiviita , J., Van de Weijgaert , R., Van Tent , B., Vennin , V., Vittorio , N., Young , K., Institut de recherche en astrophysique et planétologie ( IRAP ), Université Paul Sabatier - Toulouse 3 ( UPS ) -Observatoire Midi-Pyrénées ( OMP ) -Centre National de la Recherche Scientifique ( CNRS ), AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Institut Lagrange de Paris, Sorbonne Universités, Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut d'Astrophysique de Paris ( IAP ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ), Institut d'astrophysique spatiale ( IAS ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Néel ( NEEL ), Université Grenoble Alpes [Saint Martin d'Hères]-Centre National de la Recherche Scientifique ( CNRS ), Département de Physique des Particules (ex SPP) ( DPP ), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Laboratoire d'Annecy-le-Vieux de Physique Théorique ( LAPTH ), Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de Physique Théorique d'Orsay [Orsay] ( LPT ), Université Paris-Sud - Paris 11 ( UP11 ) -Centre National de la Recherche Scientifique ( CNRS ), and CORE
Subjects: satellite: Planck, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmology: observations, Astrophysics::Instrumentation and Methods for Astrophysics, hydrogen: recombination, cosmic background radiation: polarization, Astrophysics::Cosmology and Extragalactic Astrophysics, parametric, cosmic background radiation, methods: data analysis, B-mode: primordial, thermal, diffuse radiation, cosmic background radiation: B-mode, gravitation: lens, Polarization, infrared, ionization, synchrotron, microwaves: emission, spectral, galaxy, inflation, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Astrophysics::Galaxy Astrophysics
Abstract: International audience; We demonstrate that, for the baseline design of the CORE satellite mission, the polarized foregrounds can be controlled at the level required to allow the detection of the primordial cosmic microwave background (CMB) B-mode polarization with the desired accuracy at both reionization and recombination scales, for tensor-to-scalar ratio values of r 5× 10−3. We consider detailed sky simulations based on state-of-the-art CMB observations that consist of CMB polarization with τ=0.055 and tensor-to-scalar values ranging from r=10−2 to 10−3, Galactic synchrotron, and thermal dust polarization with variable spectral indices over the sky, polarized anomalous microwave emission, polarized infrared and radio sources, and gravitational lensing effects. Using both parametric and blind approaches, we perform full component separation and likelihood analysis of the simulations, allowing us to quantify both uncertainties and biases on the reconstructed primordial B-modes. Under the assumption of perfect control of lensing effects, CORE would measure an unbiased estimate of r=(5 ± 0.4)× 10−3 after foreground cleaning. In the presence of both gravitational lensing effects and astrophysical foregrounds, the significance of the detection is lowered, with CORE achieving a 4σ-measurement of r=5× 10−3 after foreground cleaning and 60% delensing. For lower tensor-to-scalar ratios (r=10−3) the overall uncertainty on r is dominated by foreground residuals, not by the 40% residual of lensing cosmic variance. Moreover, the residual contribution of unprocessed polarized point-sources can be the dominant foreground contamination to primordial B-modes at this r level, even on relatively large angular scales, &ell; ~ 50. Finally, we report two sources of potential bias for the detection of the primordial B-modes by future CMB experiments: (i) the use of incorrect foreground models, e.g. a modelling error of Δβs = 0.02 on the synchrotron spectral indices may result in an excess in the recovered reionization peak corresponding to an effective Δ r > 10−3; (ii) the average of the foreground line-of-sight spectral indices by the combined effects of pixelization and beam convolution, which adds an effective curvature to the foreground spectral energy distribution and may cause spectral degeneracies with the CMB in the frequency range probed by the experiment.
Published: 2018

12. Exploring cosmic origins with CORE: B-mode component separation

Author: Remazeilles, M., Banday, A. J., Baccigalupi, C., Basak, S., Bonaldi, A., Zotti, G. De, Delabrouille, J., Dickinson, C., Eriksen, H. K., Errard, J., Fernandez-Cobos, R., Fuskeland, U., Hervías-Caimapo, C., López-Caniego, M., Martinez-González, E., Roman, M., Vielva, P., Wehus, I., Achucarro, A., Ade, P., Allison, R., Ashdown, M., Ballardini, M., Banerji, R., Bartlett, J., Bartolo, N., Baumann, D., Bersanelli, M., Bonato, M., Borrill, J., Bouchet, F., Boulanger, F., Brinckmann, T., Bucher, M., Burigana, C., Buzzelli, A., Cai, Z. -Y., Calvo, M., Carvalho, C. -S., Castellano, G., Challinor, A., Chluba, J., Clesse, S., Colantoni, I., Coppolecchia, A., Crook, M., D'Alessandro, G., De Bernardis, P., De Gasperis, G., Diego, J. -M., Valentino, E. Di, Feeney, S., Ferraro, S., Finelli, F., Forastieri, F., Galli, S., Genova-Santos, R., Gerbino, M., González-Nuevo, J., Grandis, S., Greenslade, J., Hagstotz, S., Hanany, S., Handley, W., Hernandez-Monteagudo, C., Hills, M., Hivon, E., Kiiveri, K., Kisner, T., Kitching, T., Kunz, M., Kurki-Suonio, H., Lamagna, L., Lasenby, A., Lattanzi, M., Lesgourgues, J., Lewis, A., Liguori, M., Lindholm, V., Luzzi, G., Maffei, B., Martins, C. J. A. P., Masi, S., Matarrese, S., Mccarthy, D., Melin, J. -B., Melchiorri, A., Molinari, D., Monfardini, A., Natoli, P., Negrello, M., Notari, A., Paiella, A., Paoletti, D., Patanchon, G., Piat, M., Pisano, G., Polastri, L., Polenta, G., Pollo, A., Poulin, V., Quartin, M., Rubino-Martin, J. -A., Salvati, L., Tartari, A., Tomasi, M., Tramonte, D., Trappe, N., Trombetti, T., Tucker, C., Valiviita, J., De Weijgaert, R. Van, Tent, B. Van, Vennin, V., Vittorio, N., Young, K., Zannoni, M., D'Alessandro, Giuseppe, Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut Lagrange de Paris, Sorbonne Universités, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Institut Néel (NEEL), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF), Département de Physique des Particules (ex SPP) (DPP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Annecy-le-Vieux de Physique Théorique (LAPTH), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Théorique d'Orsay [Orsay] (LPT), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), CORE, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Remazeilles, M, Banday, A, Baccigalupi, C, Basak, S, Bonaldi, A, Zotti, G, Delabrouille, J, Dickinson, C, Eriksen, H, Errard, J, Fernandez-Cobos, R, Fuskeland, U, Hervías-Caimapo, C, López-Caniego, M, Martinez-González, E, Roman, M, Vielva, P, Wehus, I, Achucarro, A, Ade, P, Allison, R, Ashdown, M, Ballardini, M, Banerji, R, Bartlett, J, Bartolo, N, Baumann, D, Bersanelli, M, Bonato, M, Borrill, J, Bouchet, F, Boulanger, F, Brinckmann, T, Bucher, M, Burigana, C, Buzzelli, A, Cai, Z, Calvo, M, Carvalho, C, Castellano, G, Challinor, A, Chluba, J, Clesse, S, Colantoni, I, Coppolecchia, A, Crook, M, D'Alessandro, G, de Bernardis, P, de Gasperis, G, Diego, J, Valentino, E, Feeney, S, Ferraro, S, Finelli, F, Forastieri, F, Galli, S, Genova-Santos, R, Gerbino, M, González-Nuevo, J, Grandis, S, Greenslade, J, Hagstotz, S, Hanany, S, Handley, W, Hernandez-Monteagudo, C, Hills, M, Hivon, E, Kiiveri, K, Kisner, T, Kitching, T, Kunz, M, Kurki-Suonio, H, Lamagna, L, Lasenby, A, Lattanzi, M, Lesgourgues, J, Lewis, A, Liguori, M, Lindholm, V, Luzzi, G, Maffei, B, Martins, C, Masi, S, Matarrese, S, Mccarthy, D, Melin, J, Melchiorri, A, Molinari, D, Monfardini, A, Natoli, P, Negrello, M, Notari, A, Paiella, A, Paoletti, D, Patanchon, G, Piat, M, Pisano, G, Polastri, L, Polenta, G, Pollo, A, Poulin, V, Quartin, M, Rubino-Martin, J, Salvati, L, Tartari, A, Tomasi, M, Tramonte, D, Trappe, N, Trombetti, T, Tucker, C, Valiviita, J, de Weijgaert, R, Tent, B, Vennin, V, Vittorio, N, Young, K, Zannoni, M, String Theory (ITFA, IoP, FNWI), Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Sorbonne Université (SU), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Sud - Paris 11 (UP11), Helsinki Institute of Physics, Department of Physics, Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Cryogénie (NEEL - Cryo), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Département de Physique des Particules (ex SPP) (DPhP), and Hélium : du fondamental aux applications (NEEL - HELFA)
Subjects: Infrared, Cosmic microwave background, cosmic background radiation: polarization, Astrophysics, cosmic background radiation, 01 natural sciences, B-mode: primordial, thermal, CMBR experiments, cosmological parameters from CMBR, gravitational waves and CMBR polarization, inflation, Astronomy and Astrophysics, gravitational waves and CMBR polarization, CMBR experiments, cosmological parameters from CMBR, inflation, Polarization, CMB POLARIZATION, 010303 astronomy & astrophysics, QC, QB, media_common, Physics, COSMIC cancer database, astro-ph.CO, astro-ph.GA, astro-ph.IM, Cosmology: observations, Astrophysics::Instrumentation and Methods for Astrophysics, Cosmic variance, Polarization (waves), INTERNAL LINEAR COMBINATION, infrared, GALACTIC SYNCHROTRON EMISSION, CMBR experiment, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics, RADIO-SOURCES, Cosmology and Nongalactic Astrophysics (astro-ph.CO), satellite: Planck, ANGULAR POWER SPECTRUM, media_common.quotation_subject, FOS: Physical sciences, hydrogen: recombination, Astrophysics::Cosmology and Extragalactic Astrophysics, parametric, NO, cosmic background radiation: B-mode, FIS/05 - ASTRONOMIA E ASTROFISICA, Settore FIS/05 - Astronomia e Astrofisica, gravitation: lens, 0103 physical sciences, ionization, synchrotron, STAR-FORMING GALAXIES, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Reionization, Instrumentation and Methods for Astrophysics (astro-ph.IM), Astrophysics::Galaxy Astrophysics, 010308 nuclear & particles physics, 115 Astronomy, Space science, Astrophysics - Astrophysics of Galaxies, POINT-SOURCE DETECTION, methods: data analysis, diffuse radiation, Gravitational lens, Sky, Astrophysics of Galaxies (astro-ph.GA), PROBE WMAP OBSERVATIONS, STATISTICAL PROPERTIES, microwaves: emission, spectral, galaxy, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], MICROWAVE BACKGROUND POLARIZATION
Abstract: We demonstrate that, for the baseline design of the CORE satellite mission, the polarized foregrounds can be controlled at the level required to allow the detection of the primordial cosmic microwave background (CMB) $B$-mode polarization with the desired accuracy at both reionization and recombination scales, for tensor-to-scalar ratio values of ${r\gtrsim 5\times 10^{-3}}$. We consider detailed sky simulations based on state-of-the-art CMB observations that consist of CMB polarization with $\tau=0.055$ and tensor-to-scalar values ranging from $r=10^{-2}$ to $10^{-3}$, Galactic synchrotron, and thermal dust polarization with variable spectral indices over the sky, polarized anomalous microwave emission, polarized infrared and radio sources, and gravitational lensing effects. Using both parametric and blind approaches, we perform full component separation and likelihood analysis of the simulations, allowing us to quantify both uncertainties and biases on the reconstructed primordial $B$-modes. Under the assumption of perfect control of lensing effects, CORE would measure an unbiased estimate of $r=\left(5 \pm 0.4\right)\times 10^{-3}$ after foreground cleaning. In the presence of both gravitational lensing effects and astrophysical foregrounds, the significance of the detection is lowered, with CORE achieving a $4\sigma$-measurement of $r=5\times 10^{-3}$ after foreground cleaning and $60$% delensing. For lower tensor-to-scalar ratios ($r=10^{-3}$) the overall uncertainty on $r$ is dominated by foreground residuals, not by the 40% residual of lensing cosmic variance. Moreover, the residual contribution of unprocessed polarized point-sources can be the dominant foreground contamination to primordial B-modes at this $r$ level, even on relatively large angular scales, $\ell \sim 50$. Finally, we report two sources of potential bias for the detection of the primordial $B$-modes.[abridged], Comment: 87 pages, 32 figures, 4 tables, expanded abstract. Updated to match version accepted by JCAP
Published: 2018

13. Concept design of the LiteBIRD satellite for CMB B-mode polarization

Author: A. Cukierman, Makoto Hattori, Alessandro Gruppuso, Y. Kataoka, D. T. Hoang, Kam Arnold, Tucker Elleflot, Benjamin Westbrook, Eric V. Linder, Johannes Hubmayr, Toshiyuki Nishibori, Christopher Raum, T. Kikuchi, Luca Lamagna, S. Takakura, Shingo Kashima, Ryota Takaku, Ken Ganga, N. Katayama, Masahiro Tsujimoto, Yutaro Sekimoto, A. Kibayashi, Hajime Sugai, H. K. Eriksen, Noah Kurinsky, F. Columbro, Gianluca Morgante, Toshiya Namikawa, Yuki Sakurai, B. Mot, E. Martínez-González, H. Nishino, G. Jaehnig, Hiroyuki Ohsaki, Shogo Nakamura, Peter A. R. Ade, L. Montier, T. Kawasaki, Giuseppe Puglisi, Charles A. Hill, H. Takakura, Masaaki Nagai, Anna Murphy, D. W. Curtis, M. Tristram, Adrian T. Lee, J. Grain, S. Realini, H. Ochi, Peter Charles Hargrave, Theodore Kisner, Maresuke Shiraishi, F. Boulanger, Y. Kobayashi, M. Tomasi, G. Signorelli, Y. Hirota, M. Tsuji, Graeme Smecher, F. Piacentini, K. Ebisawa, S. Beckman, Carlo Baccigalupi, E. Hivon, K. Mistuda, Haruyuki Sakurai, Soumen Basak, C. L. Kuo, G. Patanchon, Ingunn Kathrine Wehus, Masashi Hazumi, J. Aumont, Berend Winter, I. S. Ohta, Reijo Keskitalo, Bruno Maffei, Ryo Yamamoto, Marco Bersanelli, Mario Zannoni, P. Natoli, Junji Yumoto, Andrea Zonca, Erminia Calabrese, A. Ducout, Blake D. Sherwin, N. Trappe, U. Fuskeland, Nicoletta Krachmalnicoff, K. L. Thompson, M. A. Dobbs, F. Noviello, Anna Mangilli, Jun-ichi Suzuki, A. Kushino, Tadayasu Dotani, S. Sugiyama, H. Kanai, T. Yoshida, Silvia Masi, G. Polenta, M. Yanagisawa, N. Watanabe, R. Nagata, J. Austermann, Keisuke Shinozaki, Yasunori Terao, Davide Poletti, Cristian Franceschet, Michael L. Brown, Anthony Challinor, M. De Petris, Masaya Hasegawa, Yuto Minami, Noriko Y. Yamasaki, L. Duband, Créidhe O'Sullivan, Yasuhiro Murata, J. R. Gao, B. Thorne, Eiichiro Komatsu, P. de Bernardis, Kazunori Kohri, Hirokazu Ishino, Kuniaki Konishi, A. J. Banday, N. W. Halverson, A. Mennella, Kiyotomo Ichiki, T. Hasebe, Giorgio Savini, Julian Borrill, Yuji Chinone, Mathieu Remazeilles, Giampaolo Pisano, D. Molinari, Radek Stompor, M. Maki, H. Tomida, N. Okada, H. Imada, S. Uozumi, Nozomu Kogiso, R. Banerji, Tomotake Matsumura, Raphael Flauger, T. Ghigna, Josquin Errard, Shin Utsunomiya, M. Bucher, K. Komatsu, Hideo Ogawa, E. Taylor, Kimihiro Kimura, Sophie Henrot-Versille, Nicola Vittorio, Aritoki Suzuki, Realini, S, Patanchon, G, Kataoka, Y, Zonca, A, Zannoni, M, Yumoto, J, Yoshida, T, Yanagisawa, M, Yamasaki, N, Yamamoto, R, Westbrook, B, Wehus, I, Watanabe, N, Vittorio, N, Utsunomiya, S, Uozumi, S, Tsujimoto, M, Tsuji, M, Tristram, M, Trappe, N, Tomida, H, Tomasi, M, Thorne, B, Thompson, K, Terao, Y, Taylor, E, Takakura, S, Takakura, H, Takaku, R, Suzuki, J, Suzuki, A, Sugiyama, S, Sugai, H, Stompor, R, Smecher, G, Signorelli, G, Shiraishi, M, Shinozaki, K, Sherwin, B, Savini, G, Sakurai, Y, Sakurai, H, Remazeilles, M, Raum, C, Puglisi, G, Poletti, D, Polenta, G, Pisano, G, Piacentini, F, Okada, N, Ohsaki, H, Ogawa, H, Ochi, H, O'Sullivan, C, Nishino, H, Nishibori, T, Natoli, P, Namikawa, T, Nakamura, S, Nagata, R, Nagai, M, Murphy, A, Murata, Y, Mot, B, Morgante, G, Montier, L, Molinari, D, Mitsuda, K, Minami, Y, Mennella, A, Matsumura, T, Masi, S, Martinez-Gonzalez, E, Maki, M, Maffei, B, Linder, E, Lee, A, Lamagna, L, Kushino, A, Kurinsky, N, Kuo, C, Krachmalnicoff, N, Konishi, K, Komatsu, K, Komatsu, E, Kohri, K, Kogiso, N, Kobayashi, Y, Kisner, T, Kimura, K, Kikuchi, T, Kibayashi, A, Keskitalo, R, Kawasaki, T, Katayama, N, Kashima, S, Kanai, H, Arnold, K, Jaehnig, G, Ishino, H, Imada, H, Ichiki, K, Hubmayr, J, Hoang, D, Hivon, E, Hirota, Y, Hill, C, Henrot-Versille, S, Hazumi, M, Hattori, M, Hasegawa, M, Hasebe, T, Hargrave, P, Halverson, N, Gruppuso, A, Grain, J, Ghigna, T, Gao, J, Ganga, K, Fuskeland, U, Franceschet, C, Flauger, R, Errand, J, Eriksen, H, Elleflot, T, Ebisawa, K, Ducout, A, Duband, L, Dotani, T, Dobbs, M, de Petris, M, de Bernardis, P, Curtis, D, Cukierman, A, Columbro, F, Chinone, Y, Challinor, A, Calabrese, E, Bucher, M, Brown, M, Boulanger, F, Borill, J, Bersanelli, M, Beckman, S, Basak, S, Banerji, R, Banday, A, Baccigalupi, C, Austermann, J, Aumont, J, Mangilli, A, Ade, P, Winter, B, Ota, I, Noviello, F, Sekimoto, Y, Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Service des Basses Températures (SBT ), Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut de Recherche Interdisciplinaire de Grenoble (IRIG), Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and LiteBIRD
Subjects: Cosmic microwave background, Cryogenic telescope, Millimeter-wave polarization, Space program, Electronic, Optical and Magnetic Materials, Condensed Matter Physics, Computer Science Applications1707 Computer Vision and Pattern Recognition, Applied Mathematics, Electrical and Electronic Engineering, media_common.quotation_subject, satellite, Lagrangian point, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, frequency: high, law.invention, NO, Telescope, cosmic background radiation: B-mode, FIS/05 - ASTRONOMIA E ASTROFISICA, Settore FIS/05 - Astronomia e Astrofisica, law, 0103 physical sciences, Electronic, Cosmology, Cosmic Microwave Background, CMB, Polarimetry, Inflation, Instrumentation, structure, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Optical and Magnetic Materials, 010306 general physics, Astrophysics::Galaxy Astrophysics, media_common, Physics, polarization, 010308 nuclear & particles physics, Gravitational wave, Settore FIS/05, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Polarization (waves), sensitivity, Superconducting detectors, frequency: low, angular resolution, Sky, cryogenics, Launch vehicle, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: LiteBIRD is a candidate for JAXA’s strategic large mission to observe the cosmic microwave background (CMB) polarization over the full sky at large angular scales. It is planned to be launched in the 2020s with an H3 launch vehicle for three years of observations at a Sun-Earth Lagrangian point (L2). The concept design has been studied by researchers from Japan, U.S., Canada and Europe during the ISAS Phase-A1. Large scale measurements of the CMB B-mode polarization are known as the best probe to detect primordial gravitational waves. The goal of LiteBIRD is to measure the tensor-to-scalar ratio (r) with precision of δr < 0.001. A 3-year full sky survey will be carried out with a low frequency (34 - 161 GHz) telescope (LFT) and a high frequency (89 - 448 GHz) telescope (HFT), which achieve a sensitivity of 2.5 µK-arcmin with an angular resolution of ∼ 30 arcminutes around 100 GHz. The concept design of LiteBIRD system, payload module (PLM), cryo-structure, LFT and verification plan is described in this paper. © 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
Published: 2018

14. A new limit on CMB circular polarization from SPIDER

Author: Marzieh Farhang, Michael R. Nolta, H. K. Eriksen, T. A. Morford, Juan D. Soler, M. Galloway, Carole Tucker, K. Ganga, Alexandra S. Rahlin, Kent D. Irwin, Carlo R. Contaldi, Peter A. R. Ade, Lorenzo Moncelsi, W. Holmes, Marcus Runyan, Jon E. Gudmundsson, S. Li, Calvin B. Netterfield, Katherine Freese, H. C. Chiang, A. E. Gambrel, E. Y. Young, J. R. Bond, A. A. Fraisse, Olivier Doré, Viktor Hristov, B. Racine, Ivan L. Padilla, P. V. Mason, Gene C. Hilton, Carl D. Reintsema, Zigmund Kermish, K. G. Megerian, Laura M. Fissel, Adri Duivenvoorden, Matthew Hasselfield, Zhiqi Huang, Ingunn Kathrine Wehus, X. Song, Jamil A. Shariff, Mark Halpern, Jeffrey P. Filippini, Amy Trangsrud, R. Bihary, Donald V. Wiebe, J. E. Ruhl, A. C. Weber, R. S. Tucker, Mandana Amiri, W. C. Jones, T. M. Ruud, Chao-Lin Kuo, A. S. Bergman, James J. Bock, Johanna Nagy, J. F. van der List, A. D. Turner, Sean Bryan, J. Hartley, Natalie N. Gandilo, Steven J. Benton, AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Laboratoire AIM, Université Paris Diderot - Paris 7 ( UPD7 ) -Centre d'Etudes de Saclay, SPIDER, AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Science and Technology Facilities Council (STFC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, and PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)
Subjects: 0306 Physical Chemistry (Incl. Structural), [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmic microwave background, cosmic background radiation: polarization, cosmic background radiation, 0305 Organic Chemistry, 01 natural sciences, Waveplate, law.invention, law, 010303 astronomy & astrophysics, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], QC, QB, Physics, Linear polarization, Astrophysics::Instrumentation and Methods for Astrophysics, Polarization (waves), SPIDER, Physical Sciences, astro-ph.CO, spectrum: thermal, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics, Cosmology and Nongalactic Astrophysics (astro-ph.CO), SUBMILLIMETER INSTRUMENTS, Cosmic background radiation, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astronomy & Astrophysics, Electromagnetic radiation, Telescope, cosmic background radiation: B-mode, HALF-WAVE PLATE, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], cosmic background radiation: power spectrum, inflation, Instrumentation and Methods for Astrophysics (astro-ph.IM), Circular polarization, polarization: linear, Science & Technology, 010308 nuclear & particles physics, Astronomy and Astrophysics, Computational physics, 0201 Astronomical And Space Sciences, Space and Planetary Science, MICROWAVE BACKGROUND ASTRONOMY, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], astro-ph.IM
Abstract: We present a new upper limit on CMB circular polarization from the 2015 flight of SPIDER, a balloon-borne telescope designed to search for $B$-mode linear polarization from cosmic inflation. Although the level of circular polarization in the CMB is predicted to be very small, experimental limits provide a valuable test of the underlying models. By exploiting the non-zero circular-to-linear polarization coupling of the HWP polarization modulators, data from SPIDER's 2015 Antarctic flight provide a constraint on Stokes $V$ at 95 and 150 GHz from $33, Comment: 9 pages, 4 figures, 5 tables - Updated to version accepted for publication in ApJ, modified acknowledgements
Published: 2017

15. Optimal scan strategies for future CMB satellite experiments

Author: Michael L. Brown, Christopher G. R. Wallis, Richard A. Battye, Jacques Delabrouille, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), AstroParticule et Cosmologie ( APC - UMR 7164 ), and Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA )
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO), Differential gain, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmic microwave background, satellite, Cosmic background radiation, FOS: Physical sciences, cosmic background radiation, Parameter space, 01 natural sciences, law.invention, temperature: fluctuation, Telescope, cosmic background radiation: B-mode, Optics, law, power spectrum: temperature, 0103 physical sciences, polarization: power spectrum, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], inflation, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010303 astronomy & astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Physics, 010308 nuclear & particles physics, business.industry, Detector, Spectral density, Astronomy and Astrophysics, crossing, Polarization (waves), cosmic background radiation: temperature, Space and Planetary Science, cosmology: observations, methods: observational, business, Astrophysics - Instrumentation and Methods for Astrophysics, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Algorithm, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: The B-mode polarisation power spectrum in the Cosmic Microwave Background (CMB) is about four orders of magnitude fainter than the CMB temperature power spectrum. Any instrumental imperfections that couple temperature fluctuations to B-mode polarisation must therefore be carefully controlled and/or removed. We investigate the role that a scan strategy can have in mitigating certain common systematics by averaging systematic errors down with many crossing angles. We present approximate analytic forms for the error on the recovered B-mode power spectrum that would result from differential gain, differential pointing and differential ellipticity for the case where two detector pairs are used in a polarisation experiment. We use these analytic predictions to search the parameter space of common satellite scan strategies in order to identify those features of a scan strategy that have most impact in mitigating systematic effects. As an example we go on to identify a scan strategy suitable for the CMB satellite proposed for the ESA M5 call. considering the practical considerations of fuel requirement, data rate and the relative orientation of the telescope to the earth. Having chosen a scan strategy we then go on to investigate the suitability of the scan strategy., 21 pages, 11 figures, Comments welcome
Published: 2017

16. Statistical simulations of the dust foreground to cosmic microwave background polarization

Author: L. Montier, Tuhin Ghosh, Jonathan Aumont, Benjamin D. Wandelt, F. Vansyngel, François Levrier, Francois Boulanger, Andrea Bracco, Peter G. Martin, Université Paris-Sud - Paris 11 (UP11), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Département d'Astrophysique (ex SAP) (DAP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique (LERMA), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université de Cergy Pontoise (UCP), Université Paris-Seine-Université Paris-Seine-Centre National de la Recherche Scientifique (CNRS), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Institut d'astrophysique spatiale ( IAS ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ), Université Pierre et Marie Curie - Paris 6 ( UPMC ), Institut Lagrange de Paris, Sorbonne Universités, Laboratoire AIM, Université Paris Diderot - Paris 7 ( UPD7 ) -Centre d'Etudes de Saclay, CEA/DSM, Laboratoire de Physique Théorique de l'ENS ( LPTENS ), Fédération de recherche du Département de physique de l'Ecole Normale Supérieure - ENS Paris ( FRDPENS ), Centre National de la Recherche Scientifique ( CNRS ) -École normale supérieure - Paris ( ENS Paris ) -Centre National de la Recherche Scientifique ( CNRS ) -École normale supérieure - Paris ( ENS Paris ) -Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Centre National de la Recherche Scientifique ( CNRS ), Institut de recherche en astrophysique et planétologie ( IRAP ), Université Paul Sabatier - Toulouse 3 ( UPS ) -Observatoire Midi-Pyrénées ( OMP ) -Centre National de la Recherche Scientifique ( CNRS ), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique (LERMA (UMR_8112)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université de Cergy Pontoise (UCP), Université Paris-Seine-Université Paris-Seine-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Sorbonne Université (SU), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-CY Cergy Paris Université (CY), Institut national des sciences de l'Univers (INSU - CNRS)-Université Toulouse III - Paul Sabatier (UT3), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), and École normale supérieure - Paris (ENS Paris)
Subjects: polarization: spectrum, satellite: Planck, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Cosmic microwave background, Cosmic background radiation, cosmic background radiation: polarization, Astrophysics, magnetic field: galaxy, Astrophysics::Cosmology and Extragalactic Astrophysics, cosmic background radiation, power spectrum, 01 natural sciences, cosmic background radiation: B-mode, symbols.namesake, statistical analysis, 0103 physical sciences, Planck, numerical calculations, 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, ISM: general, Physics, polarization, 010308 nuclear & particles physics, Gravitational wave, Computer Science::Information Retrieval, turbulence, gravitational radiation: primordial, Spectral density, Astronomy and Astrophysics, Galactic plane, Galaxy: ISM, Polarization (waves), Interstellar medium, cosmology: comic background radiation, Space and Planetary Science, covariance, symbols, submillimeter: ISM, dispersion, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], cosmic background radiation: anisotropy
Abstract: The characterization of the dust polarization foreground to the cosmic microwave background (CMB) is a necessary step toward the detection of the B-mode signal associated with primordial gravitational waves. We present a method to simulate maps of polarized dust emission on the sphere that is similar to the approach used for CMB anisotropies. This method builds on the understanding of Galactic polarization stemming from the analysis of Planck data. It relates the dust polarization sky to the structure of the Galactic magnetic field and its coupling with interstellar matter and turbulence. The Galactic magnetic field is modeled as a superposition of a mean uniform field and a Gaussian random (turbulent) component with a power-law power spectrum of exponent αM. The integration along the line of sight carried out to compute Stokes maps is approximated by a sum over a small number of emitting layers with different realizations of the random component of the magnetic field. The model parameters are constrained to fit the power spectra of dust polarization EE, BB, and TE measured using Planck data. We find that the slopes of the E and B power spectra of dust polarization are matched for αM = −2.5, an exponent close to that measured for total dust intensity but larger than the Kolmogorov exponent − 11/3. The model allows us to compute multiple realizations of the Stokes Q and U maps for different realizations of the random component of the magnetic field, and to quantify the variance of dust polarization spectra for any given sky area outside of the Galactic plane. The simulations reproduce the scaling relation between the dust polarization power and the mean total dust intensity including the observed dispersion around the mean relation. We also propose a method to carry out multifrequency simulations, including the decorrelation measured recently by Planck, using a given covariance matrix of the polarization maps. These simulations are well suited to optimize component separation methods and to quantify the confidence with which the dust and CMB B-modes can be separated in present and future experiments. We also provide an astrophysical perspective on our phenomenological modeling of the dust polarization spectra.
Published: 2017

17. The Simons Array CMB polarization experiment

Author: N. Stebor, P. Ade, Y. Akiba, C. Aleman, K. Arnold, C. Baccigalupi, B. Barch, D. Barron, S. Beckman, A. Bender, D. Boettger, J. Borrill, S. Chapman, Y. Chinone, A. Cukierman, T. de Haan, M. Dobbs, A. Ducout, R. Dunner, T. Elleflot, J. Errard, G. Fabbian, S. Feeney, C. Feng, T. Fujino, G. Fuller, A. J. Gilbert, N. Goeckner-Wald, J. Groh, G. Hall, N. Halverson, T. Hamada, M. Hasegawa, K. Hattori, M. Hazumi, C. Hill, W. L. Holzapfel, Y. Hori, L. Howe, Y. Inoue, F. Irie, G. Jaehnig, A. Jaffe, O. Jeong, N. Katayama, J. P. Kaufman, K. Kazemzadeh, B. G. Keating, Z. Kermish, R. Keskitalo, T. Kisner, A. Kusaka, M. Le Jeune, A. T. Lee, D. Leon, E. V. Linder, L. Lowry, F. Matsuda, T. Matsumura, N. Miller, J. Montgomery, M. Navaroli, H. Nishino, H. Paar, J. Peloton, D. Poletti, G. Puglisi, C. R. Raum, G. M. Rebeiz, C. L. Reichardt, P. L. Richards, C. Ross, K. M. Rotermund, Y. Segawa, B. D. Sherwin, I. Shirley, P. Siritanasak, L. Steinmetz, R. Stompor, A. Suzuki, O. Tajima, S. Takada, S. Takatori, G. P. Teply, A. Tikhomirov, T. Tomaru, B. Westbrook, N. Whitehorn, A. Zahn, O. Zahn, Institut Lagrange de Paris, Sorbonne Universités, AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Sorbonne Université (SU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Stebor, N, Ade, P, Akiba, Y, Aleman, C, Arnold, K, Baccigalupi, C, Barch, B, Barron, D, Beckman, S, Bender, A, Boettger, D, Borrill, J, Chapman, S, Chinone, Y, Cukierman, A, De Haan, T, Dobbs, M, Ducout, A, Dunner, R, Elleflot, T, Errard, J, Fabbian, G, Feeney, S, Feng, C, Fujino, T, Fuller, G, Gilbert, A, Goeckner-Wald, N, Groh, J, Hall, G, Halverson, N, Hamada, T, Hasegawa, M, Hattori, K, Hazumi, M, Hill, C, Holzapfel, W, Hori, Y, Howe, L, Inoue, Y, Irie, F, Jaehnig, G, Jaffe, A, Jeong, O, Katayama, N, Kaufman, J, Kazemzadeh, K, Keating, B, Kermish, Z, Keskitalo, R, Kisner, T, Kusaka, A, Le Jeune, M, Lee, A, Leon, D, Linder, E, Lowry, L, Matsuda, F, Matsumura, T, Miller, N, Montgomery, J, Navaroli, M, Nishino, H, Paar, H, Peloton, J, Poletti, D, Puglisi, G, Raum, C, Rebeiz, G, Reichardt, C, Richards, P, Ross, C, Rotermund, K, Segawa, Y, Sherwin, B, Shirley, I, Siritanasak, P, Steinmetz, L, Stompor, R, Suzuki, A, Tajima, O, Takada, S, Takatori, S, Teply, G, Tikhomirov, A, Tomaru, T, Westbrook, B, Whitehorn, N, Zahn, A, Zahn, O, Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Holland, Wayne S, Zmuidzinas, Jonas, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)
Subjects: Gark energy, Cosmic microwave background, Observatories, cosmic background radiation: polarization, 01 natural sciences, Receivers, Multiplexing, law.invention, Cosmic microwave background radiation, law, Observatory, Polarization, Superconductors, dark energy, Physics, Settore FIS/05, precision measurement, superconductivity, polarimeters, Astrophysics::Instrumentation and Methods for Astrophysics, neutrinos, Polarization (waves), Bolometers, cryogenics, amplifier, interference: quantum, Dark matter, gravitational lensing, Gravitational lensing, Astrophysics::Cosmology and Extragalactic Astrophysics, dark matter, cosmic background radiation: B-mode, Settore FIS/05 - Astronomia e Astrofisica, bolometer, 0103 physical sciences, Neutrino, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], inflation, 010306 general physics, detector: design, activity report, cosmic microwave background radiation, polarization, 010308 nuclear & particles physics, Gravitational wave, Sensors, Bolometer, Astronomy, Polarimeter, Inflation, Amplifiers, Gravitational lens, Antennas, Transition edge sensor, Telescopes
Abstract: International audience; The Simons Array is a next generation cosmic microwave background (CMB) polarization experiment whose science target is a precision measurement of the B-mode polarization pattern produced both by inflation and by gravitational lensing. As a continuation and extension of the successful POLARBEAR experimental program, the Simons Array will consist of three cryogenic receivers each featuring multichroic bolometer arrays mounted onto separate 3.5m telescopes. The first of these, also called POLARBEAR-2A, will be the first to deploy in late 2016 and has a large diameter focal plane consisting of dual-polarization dichroic pixels sensitive at 95 GHz and 150 GHz. The POLARBEAR-2A focal plane will utilize 7,588 antenna-coupled superconducting transition edge sensor (TES) bolometers read out with SQUID amplifiers using frequency domain multiplexing techniques. The next two receivers that will make up the Simons Array will be nearly identical in overall design but will feature extended frequency capability. The combination of high sensitivity, multichroic frequency coverage and large sky area available from our mid-latitude Chilean observatory will allow Simons Array to produce high quality polarization sky maps over a wide range of angular scales and to separate out the CMB B-modes from other astrophysical sources with high fidelity. After accounting for galactic foreground separation, the Simons Array will detect the primordial gravitational wave B-mode signal to r > 0.01 with a significance of > 5σ and will constrain the sum of neutrino masses to 40 meV (1σ) when cross-correlated with galaxy surveys. We present the current status of this funded experiment, its future, and discuss its projected science return.© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Published: 2016

18. QUBIC, a bolometric interferometer to measure the B-modes of the CMB

Author: J.-C. Hamilton, R. Charlassier, AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), APC - Cosmologie, Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Eds. L. Spinoglio, N. Epchtein, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, and PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)
Subjects: cosmological model, [SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], interferometer, Cosmic microwave background, Phase (waves), interference, cosmic background radiation: polarization, Interference (wave propagation), 01 natural sciences, Cosmology, law.invention, [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], cosmic background radiation: B-mode, phase shift, Optics, bolometer, law, Observatory, 0103 physical sciences, Astronomical interferometer, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], inflation, 010303 astronomy & astrophysics, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Physics, 010308 nuclear & particles physics, business.industry, Bolometer, General Engineering, Astronomy and Astrophysics, sensitivity, Interferometry, Space and Planetary Science, business, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: International audience; 3rd ARENA Conference: An Astronomical Observatory at CONCORDIA (Dome C, Antarctica)L. Spinoglio and N. Epchtein (eds)EAS Publications Series, 40 (2010) 399-404QUBIC, a bolometric interferometer to measure the B-modes of the CMBJ.-C. Hamilton and R. CharlassierLaboratoire APC, Université Paris Diderot, Paris 7, CNRS, IN2P3, 10 rue Alice Domon et Léonie Duquet, 75205 Paris, France The quest for the B-modes in the CMB polarization is one of the main challenges of modern cosmology as it would allow to give sharp constraints on the inflationary period.One of the main challenges of B modes detection is the treatment of systematic errors. Comparison of observations subject to different systematics is crucial. Interferometers offer such an alternative to imagers. However, to obtain the required sensitivity, a very large number of baselines is needed, which is extremely difficult to achieve with heterodyne interferometry. Bolometric interferometry copes with this problem using a new technique: the interference pattern produced by a few hundred horns is imaged on a bolometer array, and a time modulation of phase shifts insures the separation of visibilities while coherently adding redundant ones. The QUBIC collaboration proposes to build such an instrument.
Published: 2009

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18 results on '"cosmic background radiation: B-mode"'

1. A Constraint on Primordial B-modes from the First Flight of the Spider Balloon-borne Telescope

2. Polarization angle requirements for CMB B-mode experiments. Application to the LiteBIRD satellite

3. A Measurement of the Degree Scale CMB B-mode Angular Power Spectrum with POLARBEAR

4. Is patchy reionization an obstacle in detecting the primordial gravitational wave signal?

5. The C-Band All-Sky Survey (C-BASS):Design and capabilities

6. PICO - the probe of inflation and cosmic origins

7. QUBIC: Exploring the Primordial Universe with the Q&U Bolometric Interferometer

8. Electrical characterization and tuning of the integrated POLARBEAR-2a focal plane and readout (Conference Presentation)

9. 2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization

10. Signatures of graviton masses on the CMB

11. Exploring cosmic origins with CORE: $B$-mode component separation

12. Exploring cosmic origins with CORE: B-mode component separation

13. Concept design of the LiteBIRD satellite for CMB B-mode polarization

14. A new limit on CMB circular polarization from SPIDER

15. Optimal scan strategies for future CMB satellite experiments

16. Statistical simulations of the dust foreground to cosmic microwave background polarization

17. The Simons Array CMB polarization experiment

18. QUBIC, a bolometric interferometer to measure the B-modes of the CMB

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18 results on '"cosmic background radiation: B-mode"'

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