activity
20152026
most citedBICEP2 / Keck Array VI: Improved Constraints On Cosmology and Foregrounds When Adding 95 GHz Data From Keck Array

663 citations · 833 across the 15 of their papers we have counts for

collaborators

18 papers

astro-ph.IM2026

BICEP/Keck XXII: Analysis of the South Pole Atmosphere for CMB Observations

P. A. R. Ade, Z. Ahmed, M. Amiri +92

The South Pole is among the driest sites on Earth, and the resulting high atmospheric transparency makes it an excellent site for millimeter-wave astronomical observations. Neverth…

astro-ph.IM2025

Improved Absolute Polarization Calibrator for BICEP CMB Polarimeters

A. R. Polish, P. A. R. Ade, Z. Ahmed +89

Cosmic birefringence is a hypothesized parity violation in electromagnetism that predicts a frequency-independent polarization rotation as light propagates. This would rotate the l…

astro-ph.CO2025

BICEP/Keck XX: Component-separated maps of polarized CMB and thermal dust emission using Planck and BICEP/Keck Observations through the 2018 Observing Season

Keck Collaboration, P. A. R. Ade, Z. Ahmed +94

We present component-separated polarization maps of the cosmic microwave background (CMB) and Galactic thermal dust emission, derived using data from the BICEP/Keck experiments thr…

astro-ph.IM2024

BICEP/Keck XIX: Extremely Thin Composite Polymer Vacuum Windows for BICEP and Other High Throughput Millimeter Wave Telescopes

Keck Collaboration, P. A. R. Ade, Z. Ahmed +90

Millimeter-wave refracting telescopes targeting the degree-scale structure of the cosmic microwave background (CMB) have recently grown to diffraction-limited apertures of over 0.5…

astro-ph.CO2024★ 1 cited

BICEP/Keck XVIII: Measurement of BICEP3 polarization angles and consequences for constraining cosmic birefringence and inflation

Keck Collaboration, P. A. R. Ade, Z. Ahmed +83

We use a custom-made calibrator to measure individual detectors' polarization angles of BICEP3, a small aperture telescope observing the cosmic microwave background (CMB) at 95GHz…

astro-ph.IM2024

Development of the 220/270 GHz Receiver of BICEP Array

Keck Collaboration, Y. Nakato, P. A. R. Ade +82

Measurements of B-mode polarization in the CMB sourced from primordial gravitational waves would provide information on the energy scale of inflation and its potential form. To ach…

astro-ph.GA2024★ 9 cited

Analysis of Polarized Dust Emission Using Data from the First Flight of SPIDER

SPIDER Collaboration, P. A. R. Ade, M. Amiri +67

Using data from the first flight of SPIDER and from Planck HFI, we probe the properties of polarized emission from interstellar dust in the SPIDER observing region. Component separ…

astro-ph.CO2024

Constraining Inflation with the BICEP/Keck CMB Polarization Experiments

Keck Collaboration, P. A. R. Ade, Z. Ahmed +84

The BICEP/ (BK) series of cosmic microwave background (CMB) polarization experiments has, over the past decade and a half, produced a series of field-leading constra…

astro-ph.IM2023★ 7 cited

Results and Limits of Time Division Multiplexing for the BICEP Array High Frequency Receivers

S. Fatigoni, P. A. R. Ade, Z. Ahmed +84

Time-Division Multiplexing is the readout architecture of choice for many ground and space experiments, as it is a very mature technology with proven outstanding low-frequency nois…

astro-ph.CO2022★ 36 cited

BICEP / Keck XVII: Line of Sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors

Keck Collaboration, P. A. R. Ade, Z. Ahmed +91

We present estimates of line-of-sight distortion fields derived from the 95 GHz and 150 GHz data taken by BICEP2, BICEP3, and Keck Array up to the 2018 observing season, leading to…

astro-ph.GA2022★ 20 cited

BICEP / Keck XVI: Characterizing Dust Polarization through Correlations with Neutral Hydrogen

Keck Collaboration, P. A. R. Ade, Z. Ahmed +92

We characterize Galactic dust filaments by correlating BICEP/Keck and Planck data with polarization templates based on neutral hydrogen (H I) observations. Dust polarization is imp…

astro-ph.IM2022

2022 Upgrade and Improved Low Frequency Camera Sensitivity for CMB Observation at the South Pole

A. Soliman, P. A. R. Ade, Z. Ahmed +83

Constraining the Galactic foregrounds with multi-frequency Cosmic Microwave Background (CMB) observations is an essential step towards ultimately reaching the sensitivity to measur…

astro-ph.IM2021★ 3 cited

Plastic Laminate Antireflective Coatings for Millimeter-wave Optics in BICEP Array

Marion Dierickx, P. A. R. Ade, Zeeshan Ahmed +82

The BICEP/Keck series of experiments target the Cosmic Microwave Background at degree-scale resolution from the South Pole. Over the next few years, the "Stage-3" BICEP Array (BA)…

astro-ph.CO2021★ 7 cited

A Simulation-Based Method for Correcting Mode Coupling in CMB Angular Power Spectra

J. S. -Y. Leung, J. Hartley, J. M. Nagy +67

Modern CMB analysis pipelines regularly employ complex time-domain filters, beam models, masking, and other techniques during the production of sky maps and their corresponding ang…

astro-ph.CO2021★ 27 cited

BICEP / Keck XIV: Improved constraints on axion-like polarization oscillations in the cosmic microwave background

Keck Collaboration, P. A. R. Ade, Z. Ahmed +89

We present an improved search for axion-like polarization oscillations in the cosmic microwave background (CMB) with observations from the Keck Array. An all-sky, temporally sinuso…

astro-ph.CO2021★ 4 cited

The XFaster Power Spectrum and Likelihood Estimator for the Analysis of Cosmic Microwave Background Maps

A. E. Gambrel, A. S. Rahlin, X. Song +64

We present the XFaster analysis package. XFaster is a fast, iterative angular power spectrum estimator based on a diagonal approximation to the quadratic Fisher matrix estimator. X…

astro-ph.CO2017★ 56 cited

SPIDER: CMB polarimetry from the edge of space

R. Gualtieri, J. P. Filippini, P. A. R. Ade +61

SPIDER is a balloon-borne instrument designed to map the polarization of the millimeter-wave sky at large angular scales. SPIDER targets the B-mode signature of primordial gravitat…

astro-ph.CO2015★ 663 cited

BICEP2 / Keck Array VI: Improved Constraints On Cosmology and Foregrounds When Adding 95 GHz Data From Keck Array

Keck Array, BICEP2 Collaborations, : +60

We present results from an analysis of all data taken by the BICEP2 & Keck Array CMB polarization experiments up to and including the 2014 observing season. This includes the first…