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[Abridged] Recent results from the BICEP, Keck Array and Planck Collaborations demonstrate that Galactic foregrounds are an unavoidable obstacle in the search for evidence of inflationary gravitational waves in the cosmic microwave…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-07 Josquin Errard , Stephen M. Feeney , Hiranya V. Peiris , Andrew H. Jaffe

The cosmic microwave background radiation (CMB) is now firmly established as a fundamental and essential probe of the geometry, constituents, and birth of the Universe. The CMB is a potent observable because it can be measured with…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 S. Hanany , M. Niemack , L. Page

South Pole Station offers a unique combination of high, dry, stable conditions and well-developed support facilities. Over the past 20 years, a sequence of increasingly sophisticated CMB experiments at Pole have built on the experience of…

Astrophysics · Physics 2007-07-10 J. M. Kovac , D. Barkats

We present a parametric component separation forecast for the QUIJOTE-MFI2 instrument (10-20 GHz), assessing its impact on constraining polarised synchrotron emission at $1^\circ$ FWHM and $N_{\rm side}=64$. Using simulated sky maps based…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-20 Ana Almeida , José Alberto Rubiño-Martín , Roke Cepeda-Arroita , Ricardo Tanausú Génova-Santos , Debabrata Adak

We describe the QUaD experiment, a millimeter-wavelength polarimeter designed to observe the Cosmic Microwave Background (CMB) from a site at the South Pole. The experiment comprises a 2.64 m Cassegrain telescope equipped with a…

The BICEP2 and Keck Array experiments are designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 2-4 degrees (l=50-100). This is the region in which the B-mode signal, a signature prediction of…

High resolution maps of polarization anisotropies of the Cosmic Microwave Background (CMB) are in high demand, since the discovery of primordial B-Modes in the polarization patterns would confirm the inflationary phase of the Universe that…

AliCPT is the first Chinese cosmic microwave background (CMB) experiment which will make the most precise measurements of the CMB polarization in the northern hemisphere. The key science goal for AliCPT is the detection of primordial…

Current and future Cosmic Microwave Background (CMB) Radiation experiments are targeting the polarized $B$-mode signal. The small amplitude of this signal makes a successful measurement challenging for current technologies. Therefore, very…

Instrumentation and Methods for Astrophysics · Physics 2020-11-18 Tommaso Ghigna , Tomotake Matsumura , Guillaume Patanchon , Hirokazu Ishino , Masashi Hazumi

LiteBIRD is a proposed JAXA satellite mission to measure the CMB B-mode polarization with unprecedented sensitivity ($\sigma_r\sim 0.001$). To achieve this goal, $4676$ state-of-the-art TES bolometers will observe the whole sky for 3 years…

Instrumentation and Methods for Astrophysics · Physics 2020-02-03 Tommaso Ghigna , Tomotake Matsumura , Masashi Hazumi , Samantha Lynn Stever , Yuki Sakurai , Nobuhiko Katayama , Aritoki Suzuki , Benjamin Westbrook , Adrian Lee

Upcoming cosmic microwave background (CMB) experiments will measure temperature fluctuations on small angular scales with unprecedented precision. Small-scale CMB fluctuations are a mixture of late-time effects: gravitational lensing,…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-19 Kendrick M. Smith , Simone Ferraro

Cosmic microwave background (CMB) experiments generally infer a temperature fluctuation from a measured intensity fluctuation through the first term in the Taylor expansion of the Planck function, the relation between the intensity in a…

Astrophysics · Physics 2009-11-07 M. Kamionkowski , Lloyd Knox

As ever-more sensitive experiments are made in the quest for primordial CMB B Modes, the number of potentially significant astrophysical contaminants becomes larger as well. Thermal emission from interplanetary dust, for example, has been…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-07 K. Ganga , M. Maris , M. Remazeilles

We explore the fundamental limits to which reionization histories can be constrained using only large-scale cosmic microwave background (CMB) anisotropy measurements. The redshift distribution of the fractional ionization $x_e(z)$ affects…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-31 D. J. Watts , G. E. Addison , C. L. Bennett , J. L. Weiland

In this paper we briefly review the current status of the Cosmic Microwave Background (CMB) observations, summarising the latest results obtained from CMB experiments, both in intensity and polarization, and the constraints imposed on the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 R. B. Barreiro

QUBIC (Q \& U Bolometric Interferometer for Cosmology) is an international ground-based experiment dedicated in the measurement of the polarized fluctuations of the Cosmic Microwave Background (CMB). It is based on bolometric…

Instrumentation and Methods for Astrophysics · Physics 2019-12-10 M. Piat , B. Bélier , L. Bergé , N. Bleurvacq , C. Chapron , S. Dheilly , L. Dumoulin , M. González , L. Grandsire , J. -Ch. Hamilton , S. Henrot-Versillé , D. T. Hoang , S. Marnieros , W. Marty , L. Montier , E. Olivieri , C. Oriol , C. Perbost , D. Prêle , D. Rambaud , M. Salatino , G. Stankowiak , J. -P. Thermeau , S. Torchinsky , F. Voisin , P. Ade , J. G. Alberro , A. Almela , G. Amico , L. H. Arnaldi , D. Auguste , J. Aumont , S. Azzoni , S. Banfi , P. Battaglia , E. S. Battistelli , A. Baù , D. Bennett , J. -Ph. Bernard , M. Bersanelli , M. -A. Bigot-Sazy , J. Bonaparte , J. Bonis , A. Bottani , E. Bunn , D. Burke , D. Buzi , A. Buzzelli , F. Cavaliere , P. Chanial , R. Charlassier , F. Columbro , G. Coppi , A. Coppolecchia , G. D'Alessandro , P. de Bernardis , G. De Gasperis , M. De Leo , M. De Petris , A. Di Donato , A. Etchegoyen , A. Fasciszewski , L. P. Ferreyro , D. Fracchia , C. Franceschet , M. M. Gamboa Lerena , K. Ganga , B. García , M. E. García Redondo , M. Gaspard , A. Gault , D. Gayer , M. Gervasi , M. Giard , V. Gilles , Y. Giraud-Heraud , M. Gómez Berisso , M. Gradziel , D. Harari , V. Haynes , F. Incardona , E. Jules , J. Kaplan , A. Korotkov , C. Kristukat , L. Lamagna , S. Loucatos , T. Louis , R. Luterstein , B. Maffei , S. Masi , A. Mattei , A. May , M. McCulloch , M. C. Medina , L. Mele , S. Melhuish , A. Mennella , L. Mousset , L. M. Mundo , J. A. Murphy , J. D. Murphy , F. Nati , C. O'Sullivan , A. Paiella , F. Pajot , A. Passerini , H. Pastoriza , A. Pelosi , M. Perciballi , F. Pezzotta , F. Piacentini , L. Piccirillo , G. Pisano , M. Platino , G. Polenta , R. Puddu , P. Ringegni , G. E. Romero , J. M. Salum , A. Schillaci , C. Scóccola , S. Scully , S. Spinelli , M. Stolpovskiy , F. Suarez , A. Tartari , P. Timbie , M. Tomasi , C. Tucker , G. Tucker , S. Vanneste , D. Viganò , N. Vittorio , B. Watson , F. Wicek , M. Zannoni , A. Zullo

The paper presents the first results obtained with the Jodrell Bank - IAC two-element 33 GHz interferometer. The instrument was designed to measure the level of the Cosmic Microwave Background (CMB) fluctuations at angular scales of 1 - 2…

The BICEP and Keck Array experiments are a suite of small-aperture refracting telescopes observing the microwave sky from the South Pole. They target the degree-scale B-mode polarization signal imprinted in the Cosmic Microwave Background…

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