Search Results - "OgburnIV, R. W"
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BICEP / Keck XVII: Line of Sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors
Published 05-06-2023“…ApJ (2023) 949 43 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…”
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BICEP / Keck XVI: Characterizing Dust Polarization through Correlations with Neutral Hydrogen
Published 13-03-2023“…ApJ 945 72 (2023) We characterize Galactic dust filaments by correlating BICEP/Keck and Planck data with polarization templates based on neutral hydrogen (H I)…”
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The Latest Constraints on Inflationary B-modes from the BICEP/Keck Telescopes
Published 30-03-2022“…For the past decade, the BICEP/Keck collaboration has been operating a series of telescopes at the Amundsen-Scott South Pole Station measuring degree-scale…”
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BICEP / Keck XIV: Improved constraints on axion-like polarization oscillations in the cosmic microwave background
Published 14-03-2022“…Phys. Rev. D 105, 022006 (2022) We present an improved search for axion-like polarization oscillations in the cosmic microwave background (CMB) with…”
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BICEP / Keck XIII: Improved Constraints on Primordial Gravitational Waves using Planck, WMAP, and BICEP/Keck Observations through the 2018 Observing Season
Published 01-10-2021“…Phys. Rev. Lett. 127, 151301 (2021) We present results from an analysis of all data taken by the BICEP2, Keck Array and BICEP3 CMB polarization experiments up…”
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BICEP / Keck XV: The BICEP3 CMB Polarimeter and the First Three Year Data Set
Published 01-10-2021“…The Astrophysical Journal 927, 77 (2022) We report on the design and performance of the BICEP3 instrument and its first three-year data set collected from 2016…”
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Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 2018
Published 04-02-2021“…Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114532E (15 December 2020) The BICEP/Keck Array…”
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A Demonstration of Improved Constraints on Primordial Gravitational Waves with Delensing
Published 31-01-2021“…Phys. Rev. D 103, 022004 (2021) We present a constraint on the tensor-to-scalar ratio, $r$, derived from measurements of cosmic microwave background (CMB)…”
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BICEP2 / Keck Array XI: Beam Characterization and Temperature-to-Polarization Leakage in the BK15 Dataset
Published 06-01-2021“…The Astrophysical Journal 884, 114 (2019) Precision measurements of cosmic microwave background (CMB) polarization require extreme control of instrumental…”
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Observing low elevation sky and the CMB Cold Spot with BICEP3 at the South Pole
Published 18-12-2020“…Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114532D (13 December 2020) BICEP3 is a 520 mm…”
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Polarization Calibration of the BICEP3 CMB polarimeter at the South Pole
Published 10-12-2020“…The BICEP3 CMB Polarimeter is a small-aperture refracting telescope located at the South Pole and is specifically designed to search for the possible signature…”
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BICEP / Keck XII: Constraints on axion-like polarization oscillations in the cosmic microwave background
Published 18-11-2020“…Phys. Rev. D 103, 042002 (2021) We present a search for axion-like polarization oscillations in the cosmic microwave background (CMB) with observations from…”
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Optical characterization of the Keck Array and BICEP3 CMB Polarimeters from 2016 to 2019
Published 12-02-2020“…The BICEP/Keck experiment (BK) is a series of small-aperture refracting telescopes observing degree-scale Cosmic Microwave Background (CMB) polarization from…”
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BICEP2 / Keck Array IX: New Bounds on Anisotropies of CMB Polarization Rotation and Implications for Axion-Like Particles and Primordial Magnetic Fields
Published 20-06-2019“…Phys. Rev. D 96, 102003 (2017) We present the strongest constraints to date on anisotropies of cosmic microwave background (CMB) polarization rotation derived…”
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BICEP2 / Keck Array x: Constraints on Primordial Gravitational Waves using Planck, WMAP, and New BICEP2/Keck Observations through the 2015 Season
Published 11-10-2018“…Phys. Rev. Lett. 121, 221301 (2018) We present results from an analysis of all data taken by the BICEP2/Keck CMB polarization experiments up to and including…”
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BICEP Array: a multi-frequency degree-scale CMB polarimeter
Published 01-08-2018“…Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 1070807 (9 July 2018) BICEP Array is the newest…”
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Ultra-Thin Large-Aperture Vacuum Windows for Millimeter Wavelengths Receivers
Published 01-08-2018“…Targeting faint polarization patterns arising from Primordial Gravitational Waves in the Cosmic Microwave Background requires excellent observational…”
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BICEP Array cryostat and mount design
Published 01-08-2018“…Bicep Array is a cosmic microwave background (CMB) polarization experiment that will begin observing at the South Pole in early 2019. This experiment replaces…”
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2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization
Published 01-08-2018“…Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 107082N (10 July 2018) BICEP3 is a 520mm aperture…”
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Design and performance of wide-band corrugated walls for the BICEP Array detector modules at 30/40 GHz
Published 01-08-2018“…SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 107082G (16 July 2018) BICEP Array is a degree-scale…”
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