Related papers: The Primordial Inflation Polarization Explorer (PI…

The Primordial Inflation Polarization Explorer (PIPER)

The Primordial Inflation Polarization ExploreR (PIPER) is a balloon-borne telescope designed to measure the polarization of the Cosmic Microwave Background on large angular scales. PIPER will map 85% of the sky at 200, 270, 350, and 600 GHz…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 Natalie N. Gandilo , Peter A. R. Ade , Dominic Benford , Charles L. Bennett , David T. Chuss , Jessie L. Dotson , Joseph R. Eimer , Dale J. Fixsen , Mark Halpern , Gene Hilton , Gary F. Hinshaw , Kent Irwin , Christine Jhabvala , Mark Kimball , Alan Kogut , Luke Lowe , Jeff J. McMahon , Timothy M. Miller , Paul Mirel , S. Harvey Moseley , Samuel Pawlyk , Samelys Rodriguez , Elmer Sharp , Peter Shirron , Johannes G. Staguhn , Dan F. Sullivan , Eric R. Switzer , Peter Taraschi , Carole E. Tucker , Edward J. Wollack

Anti-reflection Coated Vacuum Window for the Primordial Inflation Polarization ExploreR (PIPER) balloon-borne instrument

Measuring the faint polarization signal of the cosmic microwave background (CMB) not only requires high optical throughput and instrument sensitivity but also control over systematic effects. Polarimetric cameras or receivers used in this…

Instrumentation and Methods for Astrophysics · Physics 2021-03-16 Rahul Datta , David T. Chuss , Joseph Eimer , Thomas Essinger-Hileman , Natalie N. Gandilo , Kyle Helson , Alan J. Kogut , Luke Lowe , Paul Mirel , Karwan Rostem , Marco Sagliocca , Danielle Sponseller , Eric R. Switzer , Peter A. Taraschi , Edward J. Wollack

Superfluid Liquid Helium Control for the Primordial Inflation Polarization Explorer Balloon Payload

The Primordial Inflation Polarization Explorer (PIPER) is a stratospheric balloon payload to measure polarization of the cosmic microwave background. Twin telescopes mounted within an open-aperture bucket dewar couple the sky to bolometric…

Instrumentation and Methods for Astrophysics · Physics 2024-06-19 A. Kogut , T. Essinger-Hileman , D. Fixsen , L. Lowe , P. Mirel , E. Switzer , E. Wollack

The Primordial Inflation Explorer (PIXIE): A Nulling Polarimeter for Cosmic Microwave Background Observations

The Primordial Inflation Explorer (PIXIE) is an Explorer-class mission to measure the gravity-wave signature of primordial inflation through its distinctive imprint on the linear polarization of the cosmic microwave background. The…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 A. Kogut , D. J. Fixsen , D. T. Chuss , J. Dotson , E. Dwek , M. Halpern , G. F. Hinshaw , S. M. Meyer , S. H. Moseley , M. D. Seiffert , D. N. Spergel , E. J. Wollack

Measurement of Cosmic Microwave Background Polarization Power Spectra from Two Years of BICEP Data

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…

Cosmology and Nongalactic Astrophysics · Physics 2010-02-25 H. C. Chiang , P. A. R. Ade , D. Barkats , J. O. Battle , E. M. Bierman , J. J. Bock , C. D. Dowell , L. Duband , E. F. Hivon , W. L. Holzapfel , V. V. Hristov , W. C. Jones , B. G. Keating , J. M. Kovac , C. L. Kuo , A. E. Lange , E. M. Leitch , P. V. Mason , T. Matsumura , H. T. Nguyen , N. Ponthieu , C. Pryke , S. Richter , G. Rocha , C. Sheehy , Y. D. Takahashi , J. E. Tolan , K. W. Yoon

The Primordial Inflation Explorer (PIXIE): Mission Design and Science Goals

The Primordial Inflation Explorer (PIXIE) is an Explorer-class mission concept to measure the energy spectrum and linear polarization of the cosmic microwave background (CMB). A single cryogenic Fourier transform spectrometer compares the…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-12 Alan Kogut , Eric Switzer , Dale Fixsen , Nabila Aghanim , Jens Chluba , Dave Chuss , Jacques Delabrouille , Cora Dvorkin , Brandon Hensley , Colin Hill , Bruno Maffei , Anthony Pullen , Aditya Rotti , Alina Sabyr , Leander Thiele , Ed Wollack , Ioana Zelko

Inflationary Tensor Perturbations After BICEP

The measurement of B-mode polarization of the cosmic microwave background at large angular scales by the BICEP experiment suggests a stochastic gravitational wave background from early-universe inflation with a surprisingly large amplitude.…

Cosmology and Nongalactic Astrophysics · Physics 2014-05-21 Jerod Caligiuri , Arthur Kosowsky

How much can we learn about the physics of inflation?

The recent BICEP2 measurement of B-modes in the polarization of the cosmic microwave background suggests that inflation was driven by a field at an energy scale of $2\times 10^{16}$ GeV. I explore the potential of upcoming CMB polarization…

Cosmology and Nongalactic Astrophysics · Physics 2014-05-21 Scott Dodelson

BICEP2 II: Experiment and Three-Year Data Set

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),…

Cosmology and Nongalactic Astrophysics · Physics 2014-08-18 BICEP2 Collaboration , P. A. R Ade , R. W. Aikin , M. Amiri , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , J. A. Brevik , I. Buder , E. Bullock , G. Davis , C. D. Dowell , L. Duband , J. P. Filippini , S. Fliescher , S. R. Golwala , M. Halpern , M. Hasselfield , S. R. Hildebrandt , G. C. Hilton , V. V. Hristov , K. D. Irwin , K. S. Karkare , J. P. Kaufman , B. G. Keating , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , E. M. Leitch , N. Llombart , M. Lueker , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , A. Orlando , C. Pryke , C. D. Reintsema , S. Richter , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , K. T. Story , R. V. Sudiwala , G. P. Teply , J. E. Tolan , A. D. Turner , A. G. Vieregg , P. Wilson , C. L. Wong , K. W. Yoon

SPIDER: Probing the Early Universe with a Suborbital Polarimeter

We evaluate the ability of SPIDER, a balloon-borne polarimeter, to detect a divergence-free polarization pattern ("B-modes") in the Cosmic Microwave Background (CMB). In the inflationary scenario, the amplitude of this signal is…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-06 A. A. Fraisse , P. A. R. Ade , M. Amiri , S. J. Benton , J. J. Bock , J. R. Bond , J. A. Bonetti , S. Bryan , B. Burger , H. C. Chiang , C. N. Clark , C. R. Contaldi , B. P. Crill , G. Davis , O. Doré , M. Farhang , J. P. Filippini , L. M. Fissel , N. N. Gandilo , S. Golwala , J. E. Gudmundsson , M. Hasselfield , G. Hilton , W. Holmes , V. V. Hristov , K. Irwin , W. C. Jones , C. L. Kuo , C. J. MacTavish , P. V. Mason , T. E. Montroy , T. A. Morford , C. B. Netterfield , D. T. O'Dea , A. S. Rahlin , C. Reintsema , J. E. Ruhl , M. C. Runyan , M. A. Schenker , J. A. Shariff , J. D. Soler , A. Trangsrud , C. Tucker , R. S. Tucker , A. D. Turner , D. Wiebe

Degree-Scale CMB Polarization Measurements from Three Years of BICEP1 Data

BICEP1 is a millimeter-wavelength telescope designed specifically to measure the inflationary B-mode polarization of the Cosmic Microwave Background (CMB) at degree angular scales. We present results from an analysis of the data acquired…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-24 BICEP1 Collaboration , D. Barkats , R. Aikin , C. Bischoff , I. Buder , J. P. Kaufman , B. G. Keating , J. M. Kovac , M. Su , P. A. R. Ade , J. O. Battle , E. M. Bierman , J. J. Bock , H. C. Chiang , C. D. Dowell , L. Duband , J. Filippini , E. F. Hivon , W. L. Holzapfel , V. V. Hristov , W. C. Jones , C. L. Kuo , E. M. Leitch , P. V. Mason , T. Matsumura , H. T. Nguyen , N. Ponthieu , C. Pryke , S. Richter , G. Rocha , C. Sheehy , S. S. Kernasovskiy , Y. D. Takahashi , J. E. Tolan , K. W. Yoon

Sub-Kelvin cooling for two kilopixel bolometer arrays in the PIPER receiver

The Primordial Inflation Polarization Explorer (PIPER) is a balloon-borne telescope mission to search for inflationary gravitational waves from the early universe. PIPER employs two 32x40 arrays of superconducting transition-edge sensors,…

Instrumentation and Methods for Astrophysics · Physics 2019-09-17 E. R. Switzer , P. A. R. Ade , T. Baildon , D. Benford , C. L. Bennett , D. T. Chuss , R. Datta , J. R. Eimer , D. J. Fixsen , N. N. Gandilo , T. M. Essinger-Hileman , M. Halpern , G. Hilton , K. Irwin , C. Jhabvala , M. Kimball , A. Kogut , J. Lazear , L. N. Lowe , J. J. McMahon , T. M. Miller , P. Mirel , S. H. Moseley , S. Pawlyk , S. Rodriguez , E. Sharp , P. Shirron , J. G. Staguhn , D. F. Sullivan , P. Taraschi , C. E. Tucker , A. Walts , E. J. Wollack

BICEP2 I: Detection Of B-mode Polarization at Degree Angular Scales

(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…

Cosmology and Nongalactic Astrophysics · Physics 2014-06-24 P. A. R Ade , R. W. Aikin , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , J. A. Brevik , I. Buder , E. Bullock , C. D. Dowell , L. Duband , J. P. Filippini , S. Fliescher , S. R. Golwala , M. Halpern , M. Hasselfield , S. R. Hildebrandt , G. C. Hilton , V. V. Hristov , K. D. Irwin , K. S. Karkare , J. P. Kaufman , B. G. Keating , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , E. M. Leitch , M. Lueker , P. Mason , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , A. Orlando , C. Pryke , C. D. Reintsema , S. Richter , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , R. V. Sudiwala , G. P. Teply , J. E. Tolan , A. D. Turner , A. G. Vieregg , C. L. Wong , K. W. Yoon

Constraining Inflation with the BICEP/Keck CMB Polarization Experiments

The BICEP/$\textit{Keck}$ (BK) series of cosmic microwave background (CMB) polarization experiments has, over the past decade and a half, produced a series of field-leading constraints on cosmic inflation via measurements of the "B-mode"…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-28 Keck Collaboration , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , C. A. Bischoff , D. Beck , J. J. Bock , H. Boenish , V. Buza , J. R. Cheshire , J. Connors , J. Cornelison , M. Crumrine , A. Cukierman , E. V. Denison , M. Dierickx , L. Duband , M. Eiben , B. Elwood , S. Fatigoni , J. P. Filippini , M. Gao , C. Giannakopoulos , N. Goeckner-Wald , D. C. Goldfinger , J. Grayson , P. Grimes , G. Hall , G. Halal , M. Halpern , E. Hand , S. Harrison , S. Henderson , J. Hubmayr , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , S. Kefeli , J. M. Kovac , C L. Kuo , K. Lau , A. Lennox , T. Liu , K. G. Megerian , L. Minutolo , L. Moncelsi , Y. Nakato , T. Namikawa , H. T. Nguyen , R. O'Brient , S. Palladino , M. Petroff , A. Polish , N. Precup , T. Prouve , C. Pryke , B. Racine , C. D. Reintsema , T. Romand , M. Salatino , A. Schillaci , B. L. Schmitt , B. Singari , A. Soliman , T. St. Germaine , A. Steiger , B. Steinbach , R. V. Sudiwala , K. L. Thompson , C. Tucker , A. D. Turner , C. Vergès , A. G. Vieregg , A. Wandui , A. C. Weber , J. Willmert , W. L. K. Wu , H. Yang , K. W. Yoon , E. Young , C. Yu , L. Zeng , C. Zhang , S. Zhang

Characterization of the BICEP Telescope for High-Precision Cosmic Microwave Background Polarimetry

The BICEP experiment was designed specifically to search for the signature of inflationary gravitational waves in the polarization of the cosmic microwave background (CMB). Using a novel small-aperture refractor and 49 pairs of…

Cosmology and Nongalactic Astrophysics · Physics 2010-02-25 Y. D. Takahashi , P. A. R. Ade , D. Barkats , J. O. Battle , E. M. Bierman , J. J. Bock , H. C. Chiang , C. D. Dowell , L. Duband , E. F. Hivon , W. L. Holzapfel , V. V. Hristov , W. C. Jones , B. G. Keating , J. M. Kovac , C. L. Kuo , A. E. Lange , E. M. Leitch , P. V. Mason , T. Matsumura , H. T. Nguyen , N. Ponthieu , C. Pryke , S. Richter , G. Rocha , K. W. Yoon

Evidence for bouncing evolution before inflation after BICEP2

The BICEP2 collaboration reports a detection of primordial cosmic microwave background (CMB) B-mode with a tensor-scalar ratio $r=0.20^{+0.07}_{-0.05}$ (68% C.L.). However, this result is in tension with the recent Planck limit, $r<0.11$…

Cosmology and Nongalactic Astrophysics · Physics 2014-06-30 Jun-Qing Xia , Yi-Fu Cai , Hong Li , Xinmin Zhang

Characterization of Low-noise Backshort-Under-Grid Kilopixel Transition Edge Sensor Arrays for PIPER

We present laboratory characterization of kilo-pixel, filled backshort-under-grid (BUG) transition-edge sensor (TES) arrays developed for the Primordial Inflation Polarization ExploreR (PIPER) balloon-borne instrument. PIPER is designed to…

Instrumentation and Methods for Astrophysics · Physics 2022-12-05 Rahul Datta , Sumit Dahal , Eric R. Switzer , Regis P. Brekosky , Thomas Essinger-Hileman , Dale J. Fixsen , Christine A. Jhabvala , Alan J. Kogut , Timothy M. Miller , Paul Mirel , Edward J. Wollack

Improved Polarization Calibration of the BICEP3 CMB Polarimeter at the South Pole

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…

Instrumentation and Methods for Astrophysics · Physics 2022-08-26 J. Cornelison , C. Vergès , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , D. Beck , C. A. Bischoff , J. J. Bock , V. Buza , J. R. Cheshire , J. Connors , M. Crumrine , A. J. Cukierman , E. V. Denison , M. I. Dierickx , L. Duband , M. Eiben , S. Fatigoni , J. P. Filippini , C. Giannakopoulos , N. Goeckner-Wald , D. C. Goldfinger , J. Grayson , P. K. Grimes , G. Hall , G. Halal , M. Halpern , E. Hand , S. A. Harrison , S. Henderson , S. R. Hildebrandt , G. C. Hilton , J. Hubmayr , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , S. Kefeli , J. M. Kovac , C. L. Kuo , K. Lau , E. M. Leitch , A. Lennox , T. Liu , K. Look , K. G. Megerian , L. Minutolo , L. Moncelsi , Y. Nakato , T. Namikawa , H. T. Nguyen , R. O'Brient , S. Palladino , M. A. Petroff , T. Prouve , C. Pryke , B. Racine , C. D. Reinsema , M. Salatino , A. Schillaci , B. L. Schmitt , B. Singari , A. Soliman , T. St. Germaine , B. Steinbach , R. V. Sudiwala , K. L. Thompson , C. Tsai , C. Tucker , A. D. Turner , C. Umiltà , A. G. Vieregg , A. Wandui , A. C. Weber , D. V. Wiebe , J. Willmert , W. L. K. Wu , H. Yang , K. W. Yoon , E. Young , C. Yu , L. Zeng , C. Zhang , S. Zhang

The large scale polarization explorer (LSPE) for CMB measurements: performance forecast

[Abridged] The measurement of the polarization of the Cosmic Microwave Background radiation is one of the current frontiers in cosmology. In particular, the detection of the primordial B-modes, could reveal the presence of gravitational…

Instrumentation and Methods for Astrophysics · Physics 2021-08-10 The LSPE collaboration , G. Addamo , P. A. R. Ade , C. Baccigalupi , A. M. Baldini , P. M. Battaglia , E. S. Battistelli , A. Baù , P. de Bernardis , M. Bersanelli , M. Biasotti , A. Boscaleri , B. Caccianiga , S. Caprioli , F. Cavaliere , F. Cei , K. A. Cleary , F. Columbro , G. Coppi , A. Coppolecchia , F. Cuttaia , G. D'Alessandro , G. De Gasperis , M. De Petris , V. Fafone , F. Farsian , L. Ferrari Barusso , F. Fontanelli , C. Franceschet , T. C. Gaier , L. Galli , F. Gatti , R. Genova-Santos , M. Gerbino , M. Gervasi , T. Ghigna , D. Grosso , A. Gruppuso , R. Gualtieri , F. Incardona , M. E. Jones , P. Kangaslahti , N. Krachmalnicoff , L. Lamagna , M. Lattanzi , C. H. López-Caraballo , M. Lumia , R. Mainini , D. Maino , S. Mandelli , M. Maris , S. Masi , S. Matarrese , A. May , L. Mele , P. Mena , A. Mennella , R. Molina , D. Molinari , G. Morgante , U. Natale , F. Nati , P. Natoli , L. Pagano , A. Paiella , F. Panico , F. Paonessa , S. Paradiso , A. Passerini , M. Perez-de-Taoro , O. A. Peverini , F. Piacentini , L. Piccirillo , G. Pisano , D. Poletti , G. Presta , S. Realini , N. Reyes , J. A. Rubino-Martin , M. Sandri , S. Sartor , F. Pezzotta , G. Polenta , A. Rocchi , A. Schillaci , G. Signorelli , B. Siri , M. Soria , F. Spinella , V. Tapia , A. Tartari , A. C. Taylor , L. Terenzi , M. Tomasi , E. Tommasi , C. Tucker , D. Vaccaro , D. M. Vigano , F. Villa , G. Virone , N. Vittorio , A. Volpe , R. E. J. Watkins , A. Zacchei , M. Zannoni

Calibration Method and Uncertainty for the Primordial Inflation Explorer (PIXIE)

The Primordial Inflation Explorer (PIXIE) is an Explorer-class mission concept to measure cosmological signals from both linear polarization of the cosmic microwave background and spectral distortions from a perfect blackbody. The targeted…

Instrumentation and Methods for Astrophysics · Physics 2021-03-08 A. Kogut , D. J. Fixsen