activity
20092026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 5.6k across the 80 of their papers we have counts for

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34 papers · 1 filter

astro-ph.CO2026

Validation of harmonic-space likelihood methods for LiteBIRD B-mode polarisation analysis

G. Galloni, P. Campeti, C. Gimeno-Amo +112

The LiteBIRD satellite mission aims to measure the tensor-to-scalar ratio with unprecedented sensitivity through observations of the cosmic microwave background (CMB) -mode…

astro-ph.CO2026

Sensitivity of Next-Generation CMB Surveys to Neutrinos and Other Light Relics

Cynthia Trendafilova, Srinivasan Raghunathan, Benjamin Wallisch +33

Neutrinos and other light relics leave characteristic imprints in the cosmic microwave background anisotropies, making their observation a sensitive probe of the particle content a…

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.CO2025★ 3 cited

The Simons Observatory: Validation of reconstructed power spectra from simulated filtered maps for the Small Aperture Telescope survey

Carlos Hervías-Caimapo, Kevin Wolz, Adrien La Posta +33

We present a transfer function-based method to estimate angular power spectra from filtered maps for cosmic microwave background (CMB) surveys. This is especially relevant for expe…

astro-ph.CO2024

Map-based E/B separation of filtered timestreams using space-based E-mode observations

Yuyang Zhou, Adrian Lee, Yuji Chinone

E to B mixing or "leakage" due to time-ordered data (TOD) filtering has become an important source of sensitivity loss that ground-based cosmic microwave background polarization ex…

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.CO2023

Mitigating Cosmic Microwave Background Shadow Degradation of Tensor-to-scalar Ratio Measurements through Map-based Studies

Tamaki Murokoshi, Yuji Chinone, Masashi Nashimoto +2

It has been pointed out that the spurious Cosmic Microwave Background (CMB) B-mode polarization signals caused by the absorption of the CMB monopole component due to the Galactic i…

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.CO2023★ 2 cited

Characterization of a half-wave plate for cosmic microwave background circular polarization measurement with POLARBEAR

T. Fujino, S. Takakura, Y. Chinone +7

A half-wave plate (HWP) is often used as a modulator to suppress systematic error in the measurements of cosmic microwave background (CMB) polarization. A HWP can also be used to m…

astro-ph.CO2022★ 2 cited

Cosmological gravity probes: connecting recent theoretical developments to forthcoming observations

Shun Arai, Katsuki Aoki, Yuji Chinone +20

Since the discovery of the accelerated expansion of the present Universe, significant theoretical developments have been made in the area of modified gravity. In the meantime, cosm…

astro-ph.CO2022★ 12 cited

Snowmass 2021 CMB-S4 White Paper

Kevork Abazajian, Arwa Abdulghafour, Graeme E. Addison +353

This Snowmass 2021 White Paper describes the Cosmic Microwave Background Stage 4 project CMB-S4, which is designed to cross critical thresholds in our understanding of the origin a…

astro-ph.CO2022★ 11 cited

Snowmass2021 Cosmic Frontier: Cosmic Microwave Background Measurements White Paper

Clarence L. Chang, Kevin M. Huffenberger, Bradford A. Benson +128

This is a solicited whitepaper for the Snowmass 2021 community planning exercise. The paper focuses on measurements and science with the Cosmic Microwave Background (CMB). The CMB…

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.CO2021★ 22 cited

In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications

Nicoletta Krachmalnicoff, Tomotake Matsumura, Elena de la Hoz +67

We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurem…

astro-ph.CO2021★ 42 cited

The Simons Observatory: Constraining inflationary gravitational waves with multi-tracer B-mode delensing

Toshiya Namikawa, Anton Baleato Lizancos, Naomi Robertson +32

We introduce and validate a delensing framework for the Simons Observatory (SO), which will be used to improve constraints on inflationary gravitational waves (IGWs) by reducing th…

astro-ph.CO2020★ 38 cited

The Simons Observatory: gain, bandpass and polarization-angle calibration requirements for B-mode searches

Maximilian H. Abitbol, David Alonso, Sara M. Simon +45

We quantify the calibration requirements for systematic uncertainties for next-generation ground-based observatories targeting the large-angle -mode polarization of the Cosmic M…

astro-ph.CO2020★ 271 cited

CMB-S4: Forecasting Constraints on Primordial Gravitational Waves

S4 Collaboration, Kevork Abazajian, Graeme E. Addison +233

CMB-S4---the next-generation ground-based cosmic microwave background (CMB) experiment---is set to significantly advance the sensitivity of CMB measurements and enhance our underst…

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.CO2020★ 6 cited

CMB Shadows: The Effect of Interstellar Extinction on Cosmic Microwave Background Polarization and Temperature Anisotropy

Masashi Nashimoto, Makoto Hattori, Yuji Chinone

We evaluate the degradation of the accuracy of the component separation between the cosmic microwave background (CMB) and foreground components caused by neglect of absorption of t…

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.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.CO2019★ 8 cited

Cross-correlation of POLARBEAR CMB Polarization Lensing with High- Sub-mm Herschel-ATLAS galaxies

M. Aguilar Faundez, K. Arnold, C. Baccigalupi +45

We report a 4.8 measurement of the cross-correlation signal between the cosmic microwave background (CMB) lensing convergence reconstructed from measurements of the CMB polariza…