Explanipedia

Laminate polyethylene window development for large aperture millimeter receivers Open

Miranda Eiben, D. Barkats, Aurelia Balkanski, Sage Crystian, M. Dierickx , et al. · 2022

New experiments that target the B-mode polarization signals in the Cosmic Microwave Background require more sensitivity, more detectors, and thus larger-aperture millimeter-wavelength telescopes, than previous experiments. These larger ape…

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

J. Cornelison, C. Vergès, P. A. R. Ade, Zeeshan Ahmed, M. Amiri , et al. · 2022

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 very-m…

Improved polarization calibration of the BICEP3 CMB polarimeter at the South Pole Open

James Cornelison, C. Vergès, Peter A. R. Ade, Zeeshan Ahmed, M. Amiri , et al. · 2022

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 very-m…

Thermal testing for cryogenic CMB instrument optical design Open

D. C. Goldfinger, Peter A. R. Ade, Zeeshan Ahmed, M. Amiri, D. Barkats , et al. · 2022

Observations of the Cosmic Microwave Background rely on cryogenic instrumentation with cold detectors, readout, and optics providing the low noise performance and instrumental stability required to make more sensitive measurements. It is t…

2022 upgrade and improved low frequency camera sensitivity for CMB observation at the South Pole Open

Ahmed Soliman, P. A. R. Ade, Zeeshan Ahmed, M. Amiri, D. Barkats , et al. · 2022

Constraining the Galactic foregrounds with multi-frequency Cosmic Microwave Background (CMB) observations is an essential step towards ultimately reaching the sensitivity to measure primordial gravitational waves (PGWs), the sign of inflat…

A Measurement of the CMB E-mode Angular Power Spectrum at Subdegree Scales from 670 Square Degrees of POLARBEAR Data Open

S. Adachi, M. A. O. Aguilar Faúndez, Kam Arnold, C. Baccigalupi, Darcy Barron , et al. · 2020

We report a measurement of the E -mode polarization power spectrum of the cosmic microwave background (CMB) using 150 GHz data taken from 2014 July to 2016 December with the P olarbear experiment. We reach an effective polarization map noi…

A Measurement of the Degree-scale CMB B-mode Angular Power Spectrum with Polarbear Open

S. Adachi, M. A. O. Aguilar Faúndez, Kam Arnold, C. Baccigalupi, Darcy Barron , et al. · 2020

We present a measurement of the B -mode polarization power spectrum of the cosmic microwave background (CMB) using data taken from 2014 July to 2016 December with the Polarbear experiment. The CMB power spectra are measured using observati…

Deployment of Polarbear-2A Open

Daisuke Kaneko, S. Adachi, P. A. R. Ade, M. Aguilar Faúndez, Y. Akiba , et al. · 2020

Cross-correlation of CMB polarization lensing with High-z submillimeter Herschel-ATLAS galaxies Open

M. A. O. Aguilar Faúndez, Kam Arnold, C. Baccigalupi, Darcy Barron, D. Beck , et al. · 2019

We report a 4.8σ measurement of the cross-correlation signal between the cosmic microwave background (CMB) lensing convergence reconstructed from measurements of the CMB polarization made by the Polarbear experiment and the infrared-select…

Evidence for the cross-correlation between cosmic icrowave background polarization lensing from Polarbear and cosmic shear from Subaru Hyper Suprime-Cam Open

Toshiya Namikawa, Y. Chinone, Hironao Miyatake, Masamune Oguri, Ryuichi Takahashi , et al. · 2019

We present the first measurement of cross-correlation between the lensing potential, reconstructed from cosmic microwave background (CMB) polarization data, and the cosmic shear field from galaxy shapes. This measurement is made using data…

Measurements of Tropospheric Ice Clouds with a Ground-based CMB Polarization Experiment, POLARBEAR Open

S. Takakura, M. A. O. Aguilar Faúndez, Y. Akiba, Kam Arnold, C. Baccigalupi , et al. · 2019

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 tropospheric clouds scatter thermal radiation from the ground …

The POLARBEAR-2 and Simons Array Focal Plane Fabrication Status Open

Benjamin Westbrook, P. A. R. Ade, Mario Aguilar, Y. Akiba, Kam Arnold , et al. · 2018

Design and characterization of the POLARBEAR-2b and POLARBEAR-2c cosmic microwave background cryogenic receivers Open

L. Howe, Calvin Tsai, Lindsay Lowry, Kam Arnold, Gabriele Coppi , et al. · 2018

The POLARBEAR-2/Simons Array Cosmic Microwave Background (CMB) polarization experiment is an upgrade and expansion of the existing POLARBEAR-1 (PB-1) experiment, located in the Atacama desert in Chile. Along with the CMB temperature and $E…

Design and characterization of the POLARBEAR-2b and POLARBEAR-2c cosmic\n microwave background cryogenic receivers Open

L. Howe, Calvin Tsai, Lindsay Lowry, Kam Arnold, Gabriele Coppi , et al. · 2018

The POLARBEAR-2/Simons Array Cosmic Microwave Background (CMB) polarization\nexperiment is an upgrade and expansion of the existing POLARBEAR-1 (PB-1)\nexperiment, located in the Atacama desert in Chile. Along with the CMB\ntemperature and…

Calvin Tsai YOU? Author Swipe