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The cosmic microwave background polarization is rich of cosmological information complementary to those from temperature anisotropies. Linear polarization can be decomposed uniquely in two components of opposite parities, called E and B.…

Astrophysics · Physics 2007-05-23 C. Rosset , the PLANCK-HFI Collaboration

Precise measurements of the cosmic microwave background (CMB) are crucial in cosmology, because any proposed model of the universe must account for the features of this radiation. Of all CMB measurements that the scientific community has…

Instrumentation and Methods for Astrophysics · Physics 2013-07-08 Claudia Nones , Stefanos Marnieros , Alain Benoit , Laurent Bergé , Aurelien Bideau , Philippe Camus , Louis Dumoulin , Alessandro Monfardini , Olivier Rigaut

We report on the design and performance of the BICEP2 instrument and on its three-year data set. BICEP2 was designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 1 to 5 degrees ($\ell$=40-200),…

Inflation Gravity Waves B-Modes polarization detection is the ultimate goal of modern large angular scale cosmic microwave background (CMB) experiments around the world. A big effort is undergoing with the deployment of many ground-based,…

Instrumentation and Methods for Astrophysics · Physics 2022-04-27 G. D'Alessandro , L. Mele , F. Columbro , G. Amico , E. S. Battistelli , P. de Bernardis , A. Coppolecchia , M. De Petris , L. Grandsire , J. -Ch. Hamilton , L. Lamagna , S. Marnieros , S. Masi , A. Mennella , C. O'Sullivan , A. Paiella , F. Piacentini , M. Piat , G. Pisano , G. Presta , A. Tartari , S. A. Torchinsky , F. Voisin , M. Zannoni , P. Ade , J. G. Alberro , A. Almela , L. H. Arnaldi , D. Auguste , J. Aumont , S. Azzoni , S. Banfi , B. Bélier , A. Baù , D. Bennett , L. Bergé , J. -Ph. Bernard , M. Bersanelli , M. -A. Bigot-Sazy , J. Bonaparte , J. Bonis , E. Bunn , D. Burke , D. Buzi , F. Cavaliere , P. Chanial , C. Chapron , R. Charlassier , A. C. Cobos Cerutti , G. De Gasperis , M. De Leo , S. Dheilly , C. Duca , L. Dumoulin , A. Etchegoyen , A. Fasciszewski , L. P. Ferreyro , D. Fracchia , C. Franceschet , M. M. Gamboa Lerena , K. M. Ganga , B. García , M. E. García Redondo , M. Gaspard , D. Gayer , M. Gervasi , M. Giard , V. Gilles , Y. Giraud-Heraud , M. Gómez Berisso , M. González , M. Gradziel , M. R. Hampel , D. Harari , S. Henrot-Versillé , F. Incardona , E. Jules , J. Kaplan , C. Kristukat , S. Loucatos , T. Louis , B. Maffei , W. Marty , A. Mattei , A. May , M. McCulloch , D. Melo , L. Montier , L. Mousset , L. M. Mundo , J. A. Murphy , J. D. Murphy , F. Nati , E. Olivieri , C. Oriol , F. Pajot , A. Passerini , H. Pastoriza , A. Pelosi , C. Perbost , M. Perciballi , F. Pezzotta , L. Piccirillo , M. Platino , G. Polenta , D. Prêle , R. Puddu , D. Rambaud , E. Rasztocky , P. Ringegni , G. E. Romero , J. M. Salum , A. Schillaci , C. G. Scóccola , S. Scully , S. Spinelli , G. Stankowiak , M. Stolpovskiy , A. D. Supanitsky , J. -P. Thermeau , P. Timbie , M. Tomasi , G. Tucker , C. Tucker , D. Viganò , N. Vittorio , F. Wicek , M. Wright , A. Zullo

Context. The QUBIC collaboration is building a bolometric interferometer dedicated to the detection of B-mode polarization fluctuations in the Cosmic Microwave Background. Aims. We introduce a self-calibration procedure related to those…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 M. -A. Bigot-Sazy , R. Charlassier , J. -Ch. Hamilton , J. Kaplan , G. Zahariade

BICEP is a ground-based millimeter-wave bolometric array designed to target the primordial gravity wave signature on the polarization of the cosmic microwave background (CMB) at degree angular scales. Currently in its third year of…

Cosmological Birefringence (CB) is a phenomenon, caused by parity violating modifications to electrodynamics, whereby the linear polarisation angle of light changes as photons traverse a vacuum. It is possible to use a number of different…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-04 Joel Williams , Aditya Rotti , Richard Battye

We describe the design and expected performance of Clover, a new instrument designed to measure the B-mode polarization of the cosmic microwave background. The proposed instrument will comprise three independent telescopes operating at 90,…

The detection of the primordial $B$-mode spectrum of the polarized cosmic microwave background (CMB) signal may provide a probe of inflation. However, observation of such a faint signal requires excellent control of systematic errors.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Ata Karakci , Le Zhang , P. M. Sutter , Emory F. Bunn , Andrei Korotkov , Peter Timbie , Gregory S. Tucker , Benjamin D. Wandelt

We discuss instrumental and analytic methods that have been developed for the first generation of bolometric cosmic microwave background (CMB) polarimeters. The design, characterization, and analysis of data obtained using Polarization…

Background Imaging of Cosmic Extragalactic Polarization (BICEP) is a bolometric polarimeter designed to measure the inflationary B-mode polarization of the cosmic microwave background (CMB) at degree angular scales. During three seasons of…

In the quest for the faint primordial B-mode polarization of the Cosmic Microwave Background, three are the key requirements for any present or future experiment: an utmost sensitivity, excellent control over instrumental systematic effects…

The BICEP3 Polarimeter is a small aperture, refracting telescope, dedicated to the observation of the Cosmic Microwave Background (CMB) at 95GHz. It is designed to target degree angular scale polarization patterns, in particular the…

Reaching the sufficient sensitivity to detect primordial B-modes requires modern CMB polarisation experiments to rely on new technologies, necessary for the deployment of arrays thousands of detectors with a broad frequency coverage and…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-17 Clara Vergès , Josquin Errard , Radek Stompor

Spider is a long-duration, balloon-borne polarimeter designed to measure large scale Cosmic Microwave Background (CMB) polarization with very high sensitivity and control of systematics. The instrument will map over half the sky with degree…

One of the main goals of Cosmology is to search for the imprint of primordial gravitational waves in the CMB polarisation field, to probe inflationary theories. One of the obstacles toward the detection of the primordial signal is to…

Cosmology and Nongalactic Astrophysics · Physics 2020-10-28 G. Lagache , M. Bethermin , L. Montier , P. Serra , M. Tucci

(abridged for arXiv) We report results from the BICEP2 experiment, a cosmic microwave background (CMB) polarimeter specifically designed to search for the signal of inflationary gravitational waves in the B-mode power spectrum around…

QUBIC is a unique instrument that crosses the barriers between classical imaging architectures and interferometry taking advantage from both for high sensitivity and systematics mitigation. The scientific target is the detection of the…

We investigate the detectability of the primordial CMB polarization B-mode power spectrum on large scales in the presence of instrumental noise and realistic foreground contamination. We have worked out a method to estimate the errors on…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 A. Bonaldi , S. Ricciardi

Detection of B-mode polarization of the cosmic microwave background (CMB) radiation is one of the frontiers of observational cosmology. Because they are an order of magnitude fainter than E-modes, it is quite a challenge to detect B-modes.…

Cosmology and Nongalactic Astrophysics · Physics 2013-01-23 Ata Karakci , P. M. Sutter , Le Zhang , Emory F. Bunn , Andrei Korotkov , Peter Timbie , Gregory S. Tucker , Benjamin D. Wandelt