activity
20122026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 3.2k across the 30 of their papers we have counts for

collaborators

31 papers

astro-ph.IM2026

Development and characterization of a millimeter-wave circular polarization observation method using a quarter-wave plate with Simons Array

Kana Sakaguri, Darcy R. Barron, Yuji Chinone +17

We have developed and demonstrated a method for measuring circular polarization at 90 GHz by combining a quarter-wave plate (QWP) and a continuously rotating half-wave plate (HWP).…

astro-ph.CO2025

Constraints on the polarization angle oscillations of the Crab Nebula with the Simons Array and its applications to the search for axion-like particles

Tylor Adkins, Shahed Shayan Arani, Kam Arnold +27

We present a search for polarization oscillation of the Crab Nebula, also known as Tau A, at millimeter wavelengths using observations with the Simons Array, the successor experime…

astro-ph.IM2024★ 1 cited

A measurement of atmospheric circular polarization with POLARBEAR

Takuro Fujino, Satoru Takakura, Shahed Shayan Arani +20

At millimeter wavelengths, the atmospheric emission is circularly polarized owing to the Zeeman splitting of molecular oxygen by the Earth's magnetic field. We report a measurement…

astro-ph.IM2024

Calibration of detector time constant with a thermal source for the POLARBEAR-2A CMB polarization experiment

S. Takatori, M. Hasegawa, M. Hazumi +22

The Simons Array (SA) project is a ground-based Cosmic Microwave Background (CMB) polarization experiment. The SA observes the sky using three telescopes, and POLARBEAR-2A (PB-2A)…

astro-ph.CO2024★ 10 cited

Exploration of the polarization angle variability of the Crab Nebula with POLARBEAR and its application to the search for axion-like particles

Shunsuke Adachi, Tylor Adkins, Carlo Baccigalupi +23

The Crab Nebula, also known as Tau A, is a polarized astronomical source at millimeter wavelengths. It has been used as a stable light source for polarization angle calibration in…

astro-ph.IM2023

Predictive power of daily viscacha and vicuña sightings on Simons Array site work results

Praween Siritanasak, Ian Birdwell, Lindsay Lowry +2

We studied the predictive power of daily animal sightings on site work outcomes at the Polarbear and Simons Array experiment site in the Atacama Desert, Chile. Specifically, we obs…

astro-ph.CO2023★ 19 cited

Constraints on axion-like polarization oscillations in the cosmic microwave background with POLARBEAR

The POLARBEAR Collaboration, Shunsuke Adachi, Tylor Adkins +29

Very light pseudoscalar fields, often referred to as axions, are compelling dark matter candidates and can potentially be detected through their coupling to the electromagnetic fie…

astro-ph.IM2022★ 37 cited

The POLARBEAR-2 and Simons Array Focal Plane Fabrication Status

B. Westbrook, P. A. R. Ade, M. Aguilar +90

We present on the status of POLARBEAR-2 A (PB2-A) focal plane fabrication. The PB2-A is the first of three telescopes in the Simon Array (SA), which is an array of three cosmic mic…

astro-ph.CO2022★ 28 cited

Improved upper limit on degree-scale CMB B-mode polarization power from the 670 square-degree POLARBEAR survey

The POLARBEAR Collaboration, S. Adachi, T. Adkins +51

We report an improved measurement of the degree-scale cosmic microwave background -mode angular-power spectrum over 670 square-degree sky area at 150 GHz with POLARBEAR. In the…

astro-ph.CO2020★ 37 cited

A measurement of the CMB E-mode angular power spectrum at subdegree scales from 670 square degrees of POLARBEAR data

S. Adachi, M. A. O. Aguilar Faúndez, K. Arnold +53

We report a measurement of the E-mode polarization power spectrum of the cosmic microwave background (CMB) using 150 GHz data taken from July 2014 to December 2016 with the POLARBE…

astro-ph.CO2019★ 30 cited

Measurement of the Cosmic Microwave Background Polarization Lensing Power Spectrum from Two Years of POLARBEAR Data

Mario Aguilar Faúndez, Kam Arnold, Carlo Baccigalupi +48

We present a measurement of the gravitational lensing deflection power spectrum reconstructed with two seasons cosmic microwave background polarization data from the POLARBEAR expe…

astro-ph.CO2019★ 73 cited

A Measurement of the Degree Scale CMB B-mode Angular Power Spectrum with POLARBEAR

S. Adachi, M. A. O. Aguilar Faúndez, K. Arnold +69

We present a measurement of the -mode polarization power spectrum of the cosmic microwave background (CMB) using taken from July 2014 to December 2016 with the POLARBEAR experim…

astro-ph.CO2019★ 42 cited

Internal delensing of Cosmic Microwave Background polarization B-modes with the POLARBEAR experiment

S. Adachi, M. A. O. Aguilar Faúndez, Y. Akiba +51

Using only cosmic microwave background polarization data from the POLARBEAR experiment, we measure -mode polarization delensing on subdegree scales at more than significanc…

astro-ph.IM2019★ 12 cited

The POLARBEAR Fourier Transform Spectrometer Calibrator and Spectroscopic Characterization of the POLARBEAR Instrument

Frederick Matsuda, Lindsay Lowry, Aritoki Suzuki +25

We describe the Fourier Transform Spectrometer (FTS) used for in-field testing of the POLARBEAR receiver, an experiment located in the Atacama Desert of Chile which measures the co…

astro-ph.CO2019★ 25 cited

Evidence for the Cross-correlation between Cosmic Microwave Background Polarization Lensing from POLARBEAR and Cosmic Shear from Subaru Hyper Suprime-Cam

Toshiya Namikawa, Yuji Chinone, Hironao Miyatake +72

We present the first measurement of cross-correlation between the lensing potential, reconstructed from cosmic microwave background (CMB) {\it polarization} data, and the cosmic sh…

astro-ph.IM2018★ 20 cited

Measurements of tropospheric ice clouds with a ground-based CMB polarization experiment, POLARBEAR

Satoru Takakura, Mario A. O. Aguilar-Faúndez, Yoshiki Akiba +45

The polarization of the atmosphere has been a long-standing concern for ground-based experiments targeting cosmic microwave background (CMB) polarization. Ice crystals in upper tro…

astro-ph.IM2018★ 18 cited

Studies of Systematic Uncertainties for Simons Observatory: Detector Array Effects

Kevin T. Crowley, Sara M. Simon, Max Silva-Feaver +36

In this proceeding, we present studies of instrumental systematic effects for the Simons Obsevatory (SO) that are associated with the detector system and its interaction with the f…

astro-ph.CO2018★ 1.5k cited

The Simons Observatory: Science goals and forecasts

The Simons Observatory Collaboration, Peter Ade, James Aguirre +247

The Simons Observatory (SO) is a new cosmic microwave background experiment being built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the scient…

astro-ph.CO2017★ 127 cited

A Measurement of the Cosmic Microwave Background -Mode Polarization Power Spectrum at Sub-Degree Scales from 2 years of POLARBEAR Data

The POLARBEAR Collaboration, P. A. R. Ade, M. Aguilar +79

We report an improved measurement of the cosmic microwave background (CMB) -mode polarization power spectrum with the POLARBEAR experiment at 150 GHz. By adding new data collect…

astro-ph.IM2017★ 60 cited

Performance of a continuously rotating half-wave plate on the POLARBEAR telescope

Satoru Takakura, Mario Aguilar, Yoshiki Akiba +50

A continuously rotating half-wave plate (CRHWP) is a promising tool to improve the sensitivity to large angular scales in cosmic microwave background (CMB) polarization measurement…

astro-ph.IM2016★ 38 cited

POLARBEAR-2: an instrument for CMB polarization measurements

Y. Inoue, P. Ade, Y. Akiba +83

POLARBEAR-2 (PB-2) is a cosmic microwave background (CMB) polarization experiment that will be located in the Atacama highland in Chile at an altitude of 5200 m. Its science goals…

astro-ph.IM2016★ 17 cited

Making maps of Cosmic Microwave Background polarization for B-mode studies: the POLARBEAR example

Davide Poletti, Giulio Fabbian, Maude Le Jeune +46

Analysis of cosmic microwave background (CMB) datasets typically requires some filtering of the raw time-ordered data. Filtering is frequently used to minimize the impact of low fr…

astro-ph.IM2015★ 163 cited

The POLARBEAR-2 and the Simons Array Experiment

A. Suzuki, P. Ade, Y. Akiba +86

We present an overview of the design and status of the \Pb-2 and the Simons Array experiments. \Pb-2 is a Cosmic Microwave Background polarimetry experiment which aims to character…

astro-ph.CO2015★ 100 cited

POLARBEAR Constraints on Cosmic Birefringence and Primordial Magnetic Fields

POLARBEAR Collaboration, Peter A. R. Ade, Kam Arnold +84

We constrain anisotropic cosmic birefringence using four-point correlations of even-parity -mode and odd-parity -mode polarization in the cosmic microwave background measurem…