Related papers: A New Limit on CMB Circular Polarization from SPID…

COMPASS: An Upper Limit on CMB Polarization at an Angular Scale of 20 arc minutes

COMPASS is an on-axis 2.6 meter telescope coupled to a correlation polarimeter operating at a wavelength of 1 cm. The entire instrument was built specifically for CMB polarization studies. We report here on observations of February 2001 -…

Astrophysics · Physics 2009-11-10 Philip C. Farese , Giorgio Dall'Oglio , Joshua O. Gundersen , Brian G. Keating , Slade Klawikowski , Lloyd Knox , Alan Levy , Philip M. Lubin , Chris W. O'Dell , Alan Peel , Lucio Piccirillo , John Ruhl , Peter T. Timbie

An All-Sky Analysis of Polarization in the Microwave Background

Using the formalism of spin-weighted functions we present an all-sky analysis of polarization in the Cosmic Microwave Background (CMB). Linear polarization is a second-rank symmetric and traceless tensor, which can be decomposed on a sphere…

Astrophysics · Physics 2009-10-28 Matias Zaldarriaga , Uros Seljak

CMB polarization features from inflation versus reionization

The angular power spectrum of the cosmic microwave background temperature anisotropy observed by WMAP has an anomalous dip at l~20 and bump at l~40. One explanation for this structure is the presence of features in the primordial curvature…

Cosmology and Nongalactic Astrophysics · Physics 2009-05-19 Michael J. Mortonson , Cora Dvorkin , Hiranya V. Peiris , Wayne Hu

Parameter Estimation from Improved Measurements of the CMB from QUaD

We evaluate the contribution of cosmic microwave background (CMB) polarization spectra to cosmological parameter constraints. We produce cosmological parameters using high-quality CMB polarization data from the ground-based QUaD experiment…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 QUaD collaboration , S. Gupta , P. Ade , J. Bock , M. Bowden , M. L. Brown , G. Cahill , P. G. Castro , S. Church , T. Culverhouse , R. B. Friedman , K. Ganga , W. K. Gear , J. Hinderks , J. Kovac , A. E. Lange , E. Leitch , S. J. Melhuish , Y. Memari , J. A. Murphy , A. Orlando , C. O'Sullivan , L. Piccirillo , C. Pryke , N. Rajguru , B. Rusholme , R. Schwarz , A. N. Taylor , K. L. Thompson , A. H. Turner , E. Y. S. Wu , M. Zemcov

BICEP2 / Keck Array IX: New Bounds on Anisotropies of CMB Polarization Rotation and Implications for Axion-Like Particles and Primordial Magnetic Fields

We present the strongest constraints to date on anisotropies of cosmic microwave background (CMB) polarization rotation derived from 150 GHz data taken by the BICEP2/Keck Array CMB experiments up to and including the 2014 observing season…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-21 Keck Array , BICEP2 Collaborations , : , P. A. R. Ade , Z. Ahmed , R. W. Aikin , K. D. Alexander , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , R. Bowens-Rubin , J. A. Brevik , I. Buder , E. Bullock , V. Buza , J. Connors , B. P. Crill , L. Duband , C. Dvorkin , J. P. Filippini , S. Fliescher , T. St. Germaine , T. Ghosh , J. Grayson , S. Harrison , S. R. Hildebrandt , G. C. Hilton , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , E. Karpel , J. P. Kaufman , B. G. Keating , S. Kefeli , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , N. A. Larsen , E. M. Leitch , K. G. Megerian , L. Moncelsi , T. Namikawa , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , C. Pryke , S. Richter , A. Schillaci , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , B. Steinbach , R. V. Sudiwala , G. P. Teply , K. L. Thompson , J. E. Tolan , C. Tucker , A. D. Turner , A. G. Vieregg , A. C. Weber , D. V. Wiebe , J. Willmert , C. L. Wong , W. L. K. Wu , K. W. Yoon

Forecasts on Anisotropic Cosmic Birefringence Constraints for CMB Experiment in the Northern Hemisphere

The study of cosmic birefringence through Cosmic Microwave Background (CMB) experiments is a key research area in cosmology and particle physics, providing a critical test for Lorentz and CPT symmetries. This paper focuses on an upcoming…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-18 Yiwei Zhong , Hongbo Cai , Si-Yu Li , Yang Liu , Mingzhe Li , Wenjuan Fang

BICEP / Keck XII: Constraints on axion-like polarization oscillations in the cosmic microwave background

We present a search for axion-like polarization oscillations in the cosmic microwave background (CMB) with observations from the Keck Array. A local axion field induces an all-sky, temporally sinusoidal rotation of CMB polarization. A CMB…

Cosmology and Nongalactic Astrophysics · Physics 2021-02-17 Keck Collaboration , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , C. A. Bischoff , J. J. Bock , H. Boenish , E. Bullock , V. Buza , J. R. Cheshire , J. Connors , J. Cornelison , M. Crumrine , A. Cukierman , M. Dierickx , L. Duband , S. Fatigoni , J. P. Filippini , S. Fliescher , N. Goeckner-Wald , J. Grayson , G. Hall , M. Halpern , S. Harrison , S. Henderson , S. R. Hildebrandt , G. C. Hilton , J. Hubmayr , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , E. Karpel , B. G. Keating , S. Kefeli , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , K. Lau , E. M. Leitch , K. G. Megerian , L. Moncelsi , T. Namikawa , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , S. Palladino , T. Prouve , C. Pryke , B. Racine , C. D. Reintsema , S. Richter , A. Schillaci , B. L. Schmitt , R. Schwarz , C. D. Sheehy , A. Soliman , T. St. Germaine , B. Steinbach , R. V. Sudiwala , G. Teply , K. L. Thompson , J. E. Tolan , C. Tucker , A. D. Turner , C. Umilta , A. G. Vieregg , A. Wandui , A. C. Weber , D. V. Wiebe , J. Willmert , C. L. Wong , W. L. K. Wu , H. Yang , K. W. Yoon , E. Young , C. Yu , L. Zeng , C. Zhang

B-mode polarization forecasts for GreenPol

We present tensor-to-scalar ratio forecasts for GreenPol, a hypothetical ground-based B-mode experiment aiming to survey the cleanest regions of the Northern Galactic Hemisphere at five frequencies between 10 and 44 GHz. Its primary science…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-19 U. Fuskeland , A. Kaplan , I. K. Wehus , H. K. Eriksen , P. R. Christensen , S. von Hausegger , H. Liu , P. M. Lubin , P. R. Meinhold , P. Naselsky , H. Thommesen , A. Zonca

A Cosmic Microwave Background Radiation Polarimeter Using Superconducting Bearings

Measurements of the polarization of the cosmic microwave background (CMB) radiation are expected to significantly increase our understanding of the early universe. We present a design for a CMB polarimeter in which a cryogenically cooled…

Astrophysics · Physics 2016-11-17 S. Hanany , T. Matsumura , B. Johnson , T. Jones , J. R. Hull , K. B. Ma

Cosmic 21-cm Delensing of Microwave Background Polarization and the Minimum Detectable Energy Scale of Inflation

The curl (B) modes of cosmic microwave background (CMB) polarization anisotropies are a unique probe of the primordial background of inflationary gravitational waves (IGWs). Unfortunately, the B-mode polarization anisotropies generated by…

Astrophysics · Physics 2007-05-23 Kris Sigurdson , Asantha Cooray

Design and pre-flight performance of SPIDER 280 GHz receivers

In this work we describe upgrades to the Spider balloon-borne telescope in preparation for its second flight, currently planned for December 2021. The Spider instrument is optimized to search for a primordial B-mode polarization signature…

Instrumentation and Methods for Astrophysics · Physics 2020-12-24 E. C. Shaw , P. A. R. Ade , S. Akers , M. Amiri , J. Austermann , J. Beall , D. T. Becker , S. J. Benton , A. S. Bergman , J. J. Bock , J. R. Bond , S. A. Bryan , H. C. Chiang , C. R. Contaldi , R. S. Domagalski , O. Doré , S. M. Duff , A. J. Duivenvoorden , H. K. Eriksen , M. Farhang , J. P. Filippini , L. M. Fissel , A. A. Fraisse , K. Freese , M. Galloway , A. E. Gambrel , N. N. Gandilo , K. Ganga , A. Grigorian , R. Gualtieri , J. E. Gudmundsson , M. Halpern , J. Hartley , M. Hasselfield , G. Hilton , W. Holmes , V. V. Hristov , Z. Huang , J. Hubmayr , K. D. Irwin , W. C. Jones , A. Kahn , C. L. Kuo , Z. D. Kermish , A. Lennox , J. S. -Y. Leung , S. Li , P. V. Mason , K. Megerian , L. M. Mocanu , L. Moncelsi , T. A. Morford , J. M. Nagy , R. Nie , C. B. Netterfield , M. Nolta , B. Osherson , I. L. Padilla , A. S. Rahlin , S. Redmond , C. Reintsema , L. J. Romualdez , J. E. Ruhl , M. C. Runyan , J. A. Shariff , C. Shiu , J. D. Soler , X. Song , H. Thommesen , A. Trangsrud , C. Tucker , R. S. Tucker , A. D. Turner , J. Ullom , J. F. van der List , J. Van Lanen , M. R. Vissers , A. C. Weber , S. Wen , I. K. Wehus , D. V. Wiebe , E. Y. Young

Cosmology From CMB Lensing and Delensed EE Power Spectra Using 2019-2020 SPT-3G Polarization Data

From CMB polarization data alone we reconstruct the CMB lensing power spectrum, comparable in overall constraining power to previous temperature-based reconstructions, and an unlensed E-mode power spectrum. The observations, taken in 2019…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-02 F. Ge , M. Millea , E. Camphuis , C. Daley , N. Huang , Y. Omori , W. Quan , E. Anderes , A. J. Anderson , B. Ansarinejad , M. Archipley , L. Balkenhol , K. Benabed , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , F. R. Bouchet , L. Bryant , J. E. Carlstrom , C. L. Chang , P. Chaubal , G. Chen , P. M. Chichura , A. Chokshi , T. -L. Chou , A. Coerver , T. M. Crawford , T. de Haan , K. R. Dibert , M. A. Dobbs , M. Doohan , A. Doussot , D. Dutcher , W. Everett , C. Feng , K. R. Ferguson , K. Fichman , A. Foster , S. Galli , A. E. Gambrel , R. W. Gardner , N. Goeckner-Wald , R. Gualtieri , F. Guidi , S. Guns , N. W. Halverson , E. Hivon , G. P. Holder , W. L. Holzapfel , J. C. Hood , D. Howe , A. Hryciuk , F. Kéruzoré , A. R. Khalife , L. Knox , M. Korman , K. Kornoelje , C. -L. Kuo , A. T. Lee , K. Levy , A. E. Lowitz , C. Lu , A. Maniyar , E. S. Martsen , F. Menanteau , J. Montgomery , Y. Nakato , T. Natoli , G. I. Noble , Z. Pan , P. Paschos , K. A. Phadke , A. W. Pollak , K. Prabhu , M. Rahimi , A. Rahlin , C. L. Reichardt , D. Riebel , M. Rouble , J. E. Ruhl , E. Schiappucci , J. A. Sobrin , A. A. Stark , J. Stephen , C. Tandoi , B. Thorne , C. Trendafilova , C. Umilta , J. D. Vieira , A. Vitrier , Y. Wan , N. Whitehorn , W. L. K. Wu , M. R. Young , J. A. Zebrowski

Cosmic birefringence tomography and calibration-independence with reionization signals in the CMB

The search for cosmic polarization rotation or birefringence in the CMB is well-motivated because it can provide powerful constraints on parity-violating new physics, such as axion-like particles. In this paper we point out that since the…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-07 Blake D. Sherwin , Toshiya Namikawa

Unveiling V Modes: Enhancing CMB Sensitivity to BSM Physics with a Non-Ideal Half-Wave Plate

V-mode polarization of the cosmic microwave background is expected to be vanishingly small in the $\Lambda$CDM model and, hence, usually ignored. Nonetheless, several astrophysical effects, as well as beyond standard model physics could…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-17 N. Raffuzzi , M. Lembo , S. Giardiello , M. Gerbino , M. Lattanzi , P. Natoli , L. Pagano

Pre-flight integration and characterization of the SPIDER balloon-borne telescope

We present the results of integration and characterization of the SPIDER instrument after the 2013 pre-flight campaign. SPIDER is a balloon-borne polarimeter designed to probe the primordial gravitational wave signal in the degree-scale…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 A. S. Rahlin , P. A. R. Ade , M. Amiri , S. J. Benton , J. J. Bock , J. R. Bond , S. A. Bryan , H. C. Chiang , C. R. Contaldi , B. P. Crill , O. Doré , M. Farhang , J. P. Filippini , L. M. Fissel , A. A. Fraisse , A. E. Gambrel , N. N. Gandilo , S. Golwala , J. E. Gudmundsson , M. Halpern , M. F. Hasselfield , G. Hilton , W. A. Holmes , V. V. Hristov , K. D. Irwin , W. C. Jones , Z. D. Kermish , C. L. Kuo , C. J. MacTavish , P. V. Mason , K. Megerian , L. Moncelsi , T. A. Morford , J. M. Nagy , C. B. Netterfield , R. O'Brient , C. Reintsema , J. E. Ruhl , M. C. Runyan , J. A. Shariff , J. D. Soler , A. Trangsrud , C. Tucker , R. S. Tucker , A. D. Turner , A. C. Weber , D. V. Wiebe , E. Y. Young

Generation of circular polarization in CMB radiation via nonlinear photon-photon interaction

Standard cosmological models do predict a measurable amount of anisotropies in the intensity and linear polarization of the Cosmic Microwave Background radiation (CMB) via Thomson scattering, even though these theoretical models do not…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-07 Mehdi Sadegh , Rohoollah Mohammadi , Iman Motie

Future CMB constraints on cosmic birefringence and implications for fundamental physics

The primary scientific target of the CMB polarization experiments that are currently being built and proposed is the detection of primordial tensor perturbations. As a byproduct, these instruments will significantly improve constraints on…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-17 Levon Pogosian , Meir Shimon , Matthew Mewes , Brian Keating

Generation of Circular Polarization of CMB via Polarized Compton Scattering

The standard scenario of cosmology predicts a measurable amount for linear polarization of the Cosmic Microwave Background radiation (CMB) via Thomson scattering, while through this scenario, the generation of circular polarization is…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-04 Ali Vahedi , Jafar Khodagholizadeh , Rohoollah Mohammadi , Mahdi Sadegh

Primordial Gravitational Waves and Inflation: CMB and Direct Detection With Space-Based Laser Interferometers

The curl-modes of Cosmic Microwave Background (CMB) polarization probe horizon-scale primordial gravitational waves related to inflation. A significant source of confusion is expected from a lensing conversion of polarization related to…

Astrophysics · Physics 2009-11-10 Asantha Cooray

A Measurement of the Cosmic Microwave Background Lensing Potential and Power Spectrum from 500 deg$^2$ of SPTpol Temperature and Polarization Data

We present a measurement of the cosmic microwave background (CMB) lensing potential using 500 deg$^2$ of 150 GHz data from the SPTpol receiver on the South Pole Telescope. The lensing potential is reconstructed with signal-to-noise per mode…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-23 W. L. K. Wu , L. M. Mocanu , P. A. R. Ade , A. J. Anderson , J. E. Austermann , J. S. Avva , J. A. Beall , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H. C. Chiang , R. Citron , C. Corbett Moran , T. M. Crawford , A. T. Crites , T. de Haan , M. A. Dobbs , W. Everett , J. Gallicchio , E. M. George , A. Gilbert , N. Gupta , N. W. Halverson , N. Harrington , J. W. Henning , G. C. Hilton , G. P. Holder , W. L. Holzapfel , Z. Hou , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , L. Knox , A. T. Lee , D. Li , A. Lowitz , A. Manzotti , J. J. McMahon , S. S. Meyer , M. Millea , J. Montgomery , A. Nadolski , T. Natoli , J. P. Nibarger , G. I. Noble , V. Novosad , Y. Omori , S. Padin , S. Patil , C. Pryke , C. L. Reichardt , J. E. Ruhl , B. R. Saliwanchik , J. T. Sayre , K. K. Schaffer , C. Sievers , G. Simard , G. Smecher , A. A. Stark , K. T. Story , C. Tucker , K. Vanderlinde , T. Veach , J. D. Vieira , G. Wang , N. Whitehorn , V. Yefremenko