Search Results - "Sudiwala, R. V"
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Improved Constraints on Primordial Gravitational Waves using Planck , WMAP, and BICEP/ Keck Observations through the 2018 Observing Season
Published in Physical review letters (08-10-2021)“…We present results from an analysis of all data taken by the BICEP2, Keck Array, and BICEP3 CMB polarization experiments up to and including the 2018 observing…”
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Improved Constraints on Cosmology and Foregrounds from BICEP2 and Keck Array Cosmic Microwave Background Data with Inclusion of 95 GHz Band
Published in Physical review letters (22-01-2016)“…We present results from an analysis of all data taken by the BICEP2 and Keck Array cosmic microwave background (CMB) polarization experiments up to and…”
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Detection of B-mode polarization at degree angular scales by BICEP2
Published in Physical review letters (19-06-2014)“…We report results from the BICEP2 experiment, a cosmic microwave background (CMB) polarimeter specifically designed to search for the signal of inflationary…”
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Constraints on Primordial Gravitational Waves Using Planck, WMAP, and New BICEP2/Keck Observations through the 2015 Season
Published in Physical review letters (30-11-2018)“…We present results from an analysis of all data taken by the bicep2/Keck CMB polarization experiments up to and including the 2015 observing season. This…”
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Bicep2/KECK ARRAY VIII: MEASUREMENT OF GRAVITATIONAL LENSING FROM LARGE-SCALE B-MODE POLARIZATION
Published in The Astrophysical journal (20-12-2016)“…ABSTRACT We present measurements of polarization lensing using the 150 GHz maps, which include all data taken by the BICEP2 and Keck Array Cosmic Microwave…”
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Bicep/Keck XV: The Bicep3 Cosmic Microwave Background Polarimeter and the First Three-year Data Set
Published in The Astrophysical journal (01-03-2022)“…Abstract We report on the design and performance of the B icep3 instrument and its first three-year data set collected from 2016 to 2018. B icep3 is a 52 cm…”
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BICEP/Keck. XVI. Characterizing Dust Polarization through Correlations with Neutral Hydrogen
Published in The Astrophysical journal (01-03-2023)“…Abstract 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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BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors
Published in The Astrophysical journal (01-06-2023)“…Abstract We present estimates of line-of-sight distortion fields derived from the 95 and 150 GHz data taken by BICEP2, BICEP3, and the Keck Array up to the…”
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BICEP2/Keck Array XI: Beam Characterization and Temperature-to-Polarization Leakage in the BK15 Data Set
Published in The Astrophysical journal (20-10-2019)“…Precision measurements of cosmic microwave background (CMB) polarization require extreme control of instrumental systematics. In a companion paper we have…”
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Design and Performance of the First BICEP Array Receiver
Published in Journal of low temperature physics (01-05-2020)“…Branches of cosmic inflationary models, such as slow-roll inflation, predict a background of primordial gravitational waves that imprints a unique odd-parity…”
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Initial Performance of Bicep3: A Degree Angular Scale 95 GHz Band Polarimeter
Published in Journal of low temperature physics (01-08-2016)“…Bicep3 is a 550-mm aperture telescope with cold, on-axis, refractive optics designed to observe at the 95-GHz band from the South Pole. It is the newest member…”
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Plastic Laminate Antireflective Coatings for Millimeter-Wave Optics in BICEP Array
Published in Journal of low temperature physics (01-06-2023)“…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…”
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Optical Characterization of the Keck Array and BICEP3 CMB Polarimeters from 2016 to 2019
Published in Journal of low temperature physics (01-05-2020)“…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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Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array
Published in Journal of low temperature physics (01-05-2020)“…The BICEP/Keck (BK) experiment aims to detect the imprint of primordial gravitational waves in the cosmic microwave background polarization, which would be…”
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BICEP2/KECK ARRAY. VII. MATRIX BASED E/B SEPARATION APPLIED TO BICEP2 AND THE KECK ARRAY
Published in The Astrophysical journal (01-07-2016)“…ABSTRACT A linear polarization field on the sphere can be uniquely decomposed into an E-mode and a B-mode component. These two components are analytically…”
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Hopping conduction in NTD germanium: Comparison between measurement and theory
Published in Journal of low temperature physics (01-02-2004)“…We present precise measurements of the resistance-temperature variation of several samples of neutron transmutation doped (NTD) germanium, at temperatures from…”
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Optical Design and Characterization of 40-GHz Detector and Module for the BICEP Array
Published in Journal of low temperature physics (01-05-2020)“…Families of cosmic inflation models predict a primordial gravitational-wave background that imprints B-mode polarization pattern in the cosmic microwave…”
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A strained silicon cold electron bolometer using Schottky contacts
Published in Applied physics letters (28-07-2014)“…We describe optical characterisation of a strained silicon cold electron bolometer (CEB), operating on a 350 mK stage, designed for absorption of…”
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The thermal conductivity of C17510 beryllium–copper alloy below 1 K
Published in Cryogenics (Guildford) (01-08-2001)“…We have measured the low temperature thermal conductivity of the beryllium–copper alloy C17510 TF00. This is a high conductivity (low beryllium content) alloy…”
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Using experimental data to constrain theories of hopping conduction in NTD germanium
Published in Physica. B, Condensed matter (01-05-2003)“…The mechanism for low temperature electrical conduction in neutron transmutation doped (NTD) germanium is believed to be variable range hopping (VRH). The…”
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