papers

Publications (82)

astro-ph.IM2025

Design and Performance of the SPT-SLIM Receiver Cryostat

M. R. Young, M. Adamic, A. J. Anderson +28

The South Pole Telescope Shirokoff Line Intensity Mapper (SPT-SLIM) is a millimeter-wavelength line-intensity mapping experiment, which was deployed on the South Pole Telescope (SP…

astro-ph.CO2020

Searching for Anisotropic Cosmic Birefringence with Polarization Data from SPTpol

F. Bianchini, W. L. K. Wu, P. A. R. Ade +69

We present a search for anisotropic cosmic birefringence in 500 deg of southern sky observed at 150 GHz with the SPTpol camera on the South Pole Telescope. We reconstruct a map…

astro-ph.CO2018

Measurements of the Temperature and E-Mode Polarization of the CMB from 500 Square Degrees of SPTpol Data

J. W. Henning, J. T. Sayre, C. L. Reichardt +64

We present measurements of the -mode polarization angular auto-power spectrum () and temperature--mode cross-power spectrum () of the cosmic microwave background (CMB…

astro-ph.CO2019

Particle Physics with the Cosmic Microwave Background with SPT-3G

J. S. Avva, P. A. R. Ade, Z. Ahmed +85

The cosmic microwave background (CMB) encodes information about the content and evolution of the universe. The presence of light, weakly interacting particles impacts the expansion…

astro-ph.EP2023

Asteroid Measurements at Millimeter Wavelengths with the South Pole Telescope

P. M. Chichura, A. Foster, C. Patel +141

We present the first measurements of asteroids in millimeter wavelength (mm) data from the South Pole Telescope (SPT), which is used primarily to study the cosmic microwave backgro…

astro-ph.IM2023

Noise Optimization for MKIDs with Different Design Geometries and Material Selections

Z. Pan, K. R. Dibert, J. Zhang +13

The separation and optimization of noise components is critical to microwave-kinetic inductance detector (MKID) development. We analyze the effect of several changes to the lumped-…

astro-ph.CO2020

Constraints on Cosmological Parameters from the 500 deg SPTpol Lensing Power Spectrum

F. Bianchini, W. L. K. Wu, P. A. R. Ade +68

We present cosmological constraints based on the cosmic microwave background (CMB) lensing potential power spectrum measurement from the recent 500 deg SPTpol survey, the most…

astro-ph.IM2012

Feedhorn-coupled TES polarimeter camera modules at 150 GHz for CMB polarization measurements with SPTpol

J. W. Henning, P. Ade, K. A. Aird +58

The SPTpol camera is a dichroic polarimetric receiver at 90 and 150 GHz. Deployed in January 2012 on the South Pole Telescope (SPT), SPTpol is looking for faint polarization signal…

astro-ph.IM2023

Quasiparticle Generation-Recombination Noise in the Limit of Low Detector Volume

J. Li, P. S. Barry, T. Cecil +8

We have measured the quasiparticle generation-recombination (GR) noise in aluminium lumped element kinetic inductors with a wide range of detector volumes at various temperatures.…

physics.ins-det2022

Large area photon calorimeter with Ir-Pt bilayer transition-edge sensor for the CUPID experiment

V. Singh, G. Benato, M. Beretta +17

CUPID is a next-generation neutrinoless double-beta decay experiment that will require cryogenic light detectors to improve background suppression, via the simultaneous readout of…

nucl-ex2022

Toward CUPID-1T

A. Armatol, C. Augier, F. T. Avignone +172

Current experiments to search for broken lepton-number symmetry through the observation of neutrinoless double-beta decay () provide the most stringent limits on…

astro-ph.IM2018

Year two instrument status of the SPT-3G cosmic microwave background receiver

A. N. Bender, P. A. R. Ade, Z. Ahmed +86

The South Pole Telescope (SPT) is a millimeter-wavelength telescope designed for high-precision measurements of the cosmic microwave background (CMB). The SPT measures both the tem…

astro-ph.CO2024

Mass calibration of DES Year-3 clusters via SPT-3G CMB cluster lensing

B. Ansarinejad, S. Raghunathan, T. M. C. Abbott +142

We measure the stacked lensing signal in the direction of galaxy clusters in the Dark Energy Survey Year 3 (DES Y3) redMaPPer sample, using cosmic microwave background (CMB) temper…

astro-ph.CO2024

A Measurement of Gravitational Lensing of the Cosmic Microwave Background Using SPT-3G 2018 Data

Z. Pan, F. Bianchini, W. L. K. Wu +133

We present a measurement of gravitational lensing over 1500 deg of the Southern sky using SPT-3G temperature data at 95 and 150 GHz taken in 2018. The lensing amplitude relativ…

physics.ins-det2025

CUPID, the CUORE Upgrade with Particle IDentification

The CUPID Collaboration, K. Alfonso, A. Armatol +190

CUPID, the CUORE Upgrade with Particle IDentification, is a next-generation experiment to search for neutrinoless double beta decay () and other rare events using enriched…

astro-ph.CO2025

The SPT-Deep Cluster Catalog: Sunyaev-Zel'dovich Selected Clusters from Combined SPT-3G and SPTpol Measurements over 100 Square Degrees

K. Kornoelje, L. E. Bleem, E. S. Rykoff +191

We present a catalog of 500 galaxy cluster candidates in the SPT-Deep field: a 100 deg field that combines data from the SPT-3G and SPTpol surveys to reach noise levels of 3.0,…

astro-ph.IM2019

Performance of Al-Mn Transition-Edge Sensor Bolometers in SPT-3G

A. J. Anderson, P. A. R. Ade, Z. Ahmed +86

SPT-3G is a polarization-sensitive receiver, installed on the South Pole Telescope, that measures the anisotropy of the cosmic microwave background (CMB) from degree to arcminute s…

physics.ins-det2019

Superconducting nanowires as high-rate photon detectors in strong magnetic fields

T. Polakovic, W. R. Armstrong, V. Yefremenko +5

Superconducting nanowire single photon detectors are capable of single-photon detection across a large spectral range, with near unity detection efficiency, picosecond timing jitte…

physics.ins-det2009

Low Temperature Thermal Transport in Partially Perforated Silicon Nitride Membranes

V. Yefremenko, G. Wang, V. Novosad +10

The thermal transport in partially trenched silicon nitride membranes has been studied in the temperature range from 0.3 to 0.6 K, with the transition edge sensor (TES), the sole s…

astro-ph.CO2017

CMB Polarization B-mode Delensing with SPTpol and Herschel

A. Manzotti, K. T. Story, W. L. K. Wu +60

We present a demonstration of delensing the observed cosmic microwave background (CMB) B-mode polarization anisotropy. This process of reducing the gravitational-lensing generated…

physics.ins-det2020

Characterization of cubic LiMoO crystals for the CUPID experiment

A. Armatol, E. Armengaud, W. Armstrong +169

The CUPID Collaboration is designing a tonne-scale, background-free detector to search for double beta decay with sufficient sensitivity to fully explore the parameter space corres…

astro-ph.IM2014

SPT-3G: A Next-Generation Cosmic Microwave Background Polarization Experiment on the South Pole Telescope

B. A. Benson, P. A. R. Ade, Z. Ahmed +61

We describe the design of a new polarization sensitive receiver, SPT-3G, for the 10-meter South Pole Telescope (SPT). The SPT-3G receiver will deliver a factor of ~20 improvement i…

astro-ph.CO2022

Searching for axion-like time-dependent cosmic birefringence with data from SPT-3G

K. R. Ferguson, A. J. Anderson, N. Whitehorn +78

Ultralight axionlike particles (ALPs) are compelling dark matter candidates because of their potential to resolve small-scale discrepancies between CDM predictions and cosmolog…

astro-ph.CO2021

Constraints on CDM Extensions from the SPT-3G 2018 and Power Spectra

L. Balkenhol, D. Dutcher, P. A. R. Ade +117

We present constraints on extensions to the CDM cosmological model from measurements of the -mode polarization auto-power spectrum and the temperature--mode cross-power s…

astro-ph.IM2022

The Design and Integrated Performance of SPT-3G

J. A. Sobrin, A. J. Anderson, A. N. Bender +120

SPT-3G is the third survey receiver operating on the South Pole Telescope dedicated to high-resolution observations of the cosmic microwave background (CMB). Sensitive measurements…

astro-ph.CO2020

Galaxy Clusters Selected via the Sunyaev-Zel'dovich Effect in the SPTpol 100-Square-Degree Survey

N. Huang, L. E. Bleem, B. Stalder +74

We present a catalog of galaxy cluster candidates detected in 100 square degrees surveyed with the SPTpol receiver on the South Pole Telescope. The catalog contains 89 candidates d…

nucl-ex2026

Sensitivity of the CUPID experiment to decay of Mo

K. Alfonso, A. Armatol, C. Augier +189

CUPID is a next-generation bolometric experiment to search for neutrinoless double-beta decay () of Mo using LiMoO scintillating crystals. It will operate…

astro-ph.IM2018

Broadband anti-reflective coatings for cosmic microwave background experiments

A. Nadolski, A. M. Kofman, J. D. Vieira +71

The desire for higher sensitivity has driven ground-based cosmic microwave background (CMB) experiments to employ ever larger focal planes, which in turn require larger reimaging o…

astro-ph.CO2023

A Measurement of the CMB Temperature Power Spectrum and Constraints on Cosmology from the SPT-3G 2018 TT/TE/EE Data Set

L. Balkenhol, D. Dutcher, A. Spurio Mancini +84

We present a sample-variance-limited measurement of the temperature power spectrum () of the cosmic microwave background (CMB) using observations of a $\sim\! 1500 \,\mathrm{de…

astro-ph.IM2026

Spectral characterization and performance of SPT-SLIM on-chip filterbank spectrometers

C. S. Benson, K. Fichman, M. Adamic +26

The South Pole Telescope Shirokoff Line Intensity Mapper (SPT-SLIM) experiment is a pathfinder for demonstrating the use of on-chip spectrometers for millimeter (mm) Line Intensity…

astro-ph.IM2013

A Study of Al-Mn Transition Edge Sensor Engineering for Stability

E. M. George, J. E. Austermann, J. A. Beall +32

The stability of Al-Mn transition edge sensor (TES) bolometers is studied as we vary the engineered TES transition, heat capacity, and/or coupling between the heat capacity and TES…

physics.ins-det2020

Broadband, millimeter-wave antireflection coatings for large-format, cryogenic aluminum oxide optics

A. Nadolski, J. D. Vieira, J. A. Sobrin +86

We present two prescriptions for broadband (~77 - 252 GHz), millimeter-wave antireflection coatings for cryogenic, sintered polycrystalline aluminum oxide optics: one for large-for…

astro-ph.HE2023

Simultaneous Millimeter-wave, Gamma-ray, and Optical Monitoring of the Blazar PKS 2326-502 During a Flaring State

J. C. Hood, A. Simpson, A. McDaniel +66

Including millimeter-wave (mm-wave) data in multi-wavelength studies of the variability of active galactic nuclei (AGN) can provide insights into AGN physics that are not easily ac…

astro-ph.SR2025

Flaring Stars in a Non-targeted mm-wave Survey with SPT-3G

C. Tandoi, S. Guns, A. Foster +96

We present a flare star catalog from four years of non-targeted millimeter-wave survey data from the South Pole Telescope (SPT). The data were taken with the SPT-3G camera and cove…

astro-ph.IM2023

Low-loss Si-based Dielectrics for High Frequency Components of Superconducting Detectors

M. Lisovenko, Z. Pan, P. S. Barry +7

Silicon-based dielectric is crucial for many superconducting devices, including high-frequency transmission lines, filters, and resonators. Defects and contaminants in the amorphou…

astro-ph.CO2021

Measurements of the E-Mode Polarization and Temperature-E-Mode Correlation of the CMB from SPT-3G 2018 Data

D. Dutcher, L. Balkenhol, P. A. R. Ade +118

We present measurements of the -mode () polarization power spectrum and temperature--mode () cross-power spectrum of the cosmic microwave background using data collec…

cond-mat.supr-con2012

Evidence of Vortex Jamming in Abrikosov Vortex Flux Flow Regime

G. Karapetrov, V. Yefremenko, G. Mihajlović +4

We report on dynamics of non-local Abrikosov vortex flow in mesoscopic superconducting Nb channels. Magnetic field dependence of the non-local voltage induced by the flux flow show…

astro-ph.HE2016

Millimeter Transient Point Sources in the SPTpol 100 Square Degree Survey

N. Whitehorn, T. Natoli, P. A. R. Ade +55

The millimeter transient sky is largely unexplored, with measurements limited to follow-up of objects detected at other wavelengths. High-angular-resolution telescopes designed for…

astro-ph.CO2026

Measurement of the Full Shape of the Thermal Sunyaev-Zeldovich Power Spectrum from South Pole Telescope and {\it Herschel}-SPIRE Observations

S. Raghunathan, P. A. R. Ade, D. Anbajagane +139

We present a measurement of the full shape of the power spectrum of the thermal Sunyaev-Zeldovich (tSZ) effect down to arcminute scales using cosmic microwave background (CMB) data…

astro-ph.CO2024

Galaxy Clusters Discovered via the Thermal Sunyaev-Zel'dovich Effect in the 500-square-degree SPTpol Survey

L. E. Bleem, M. Klein, T. M. C. Abbott +125

We present a catalog of 689 galaxy cluster candidates detected at significance via their thermal Sunyaev-Zel'dovich (SZ) effect signature in 95 and 150 GHz data from the 500…

physics.ins-det2023

A first test of CUPID prototypal light detectors with NTD-Ge sensors in a pulse-tube cryostat

CUPID collaboration, K. Alfonso, A. Armatol +176

CUPID is a next-generation bolometric experiment aiming at searching for neutrinoless double-beta decay with ~250 kg of isotopic mass of Mo. It will operate at 10 mK…

astro-ph.CO2013

Detection of B-mode Polarization in the Cosmic Microwave Background with Data from the South Pole Telescope

D. Hanson, S. Hoover, A. Crites +65

Gravitational lensing of the cosmic microwave background generates a curl pattern in the observed polarization. This "B-mode" signal provides a measure of the projected mass distri…

astro-ph.CO2015

A Measurement of the Cosmic Microwave Background Gravitational Lensing Potential from 100 Square Degrees of SPTpol Data

K. T. Story, D. Hanson, P. A. R. Ade +63

We present a measurement of the cosmic microwave background (CMB) gravitational lensing potential using data from the first two seasons of observations with SPTpol, the polarizatio…

astro-ph.IM2012

Performance and on-sky optical characterization of the SPTpol instrument

E. M. George, P. Ade, K. A. Aird +62

In January 2012, the 10m South Pole Telescope (SPT) was equipped with a polarization-sensitive camera, SPTpol, in order to measure the polarization anisotropy of the cosmic microwa…

physics.ins-det2025

Innovating Bolometers' Mounting: A Gravity-Based Approach

The CUPID Collaboration, K. Alfonso, A. Armatol +190

Cryogenic calorimeters, also known as bolometers, are among the leading technologies for searching for rare events. The CUPID experiment is exploiting this technology to deploy a t…

physics.ins-det2020

A CUPID LiMoO scintillating bolometer tested in the CROSS underground facility

The CUPID Interest Group, A. Armatol, E. Armengaud +178

A scintillating bolometer based on a large cubic LiMoO crystal (45 mm side) and a Ge wafer (scintillation detector) has been operated in the CROSS cryogenic facil…

astro-ph.CO2015

Measurements of Sub-degree B-mode Polarization in the Cosmic Microwave Background from 100 Square Degrees of SPTpol Data

R. Keisler, S. Hoover, N. Harrington +63

We present a measurement of the -mode polarization power spectrum (the spectrum) from 100 of sky observed with SPTpol, a polarization-sensitive receiver cu…

astro-ph.CO2025

Multiprobe Cosmology from the Abundance of SPT Clusters and DES Galaxy Clustering and Weak Lensing

S. Bocquet, S. Grandis, E. Krause +216

Cosmic shear, galaxy clustering, and the abundance of massive halos each probe the large-scale structure of the Universe in complementary ways. We present cosmological constraints…

astro-ph.IM2023

Measurement of Dielectric Loss in Silicon Nitride at Centimeter and Millimeter Wavelengths

Z. Pan, P. S. Barry, T. Cecil +11

This work presents a suite of measurement techniques for characterizing the dielectric loss tangent across a wide frequency range from 1 GHz to 150 GHz using the same test ch…

astro-ph.CO2020

Fractional Polarisation of Extragalactic Sources in the 500-square-degree SPTpol Survey

N. Gupta, C. L. Reichardt, P. A. R. Ade +77

We study the polarisation properties of extragalactic sources at 95 and 150 GHz in the SPTpol 500 deg survey. We estimate the polarised power by stacking maps at known source p…

physics.ins-det2023

Twelve-crystal prototype of LiMoO scintillating bolometers for CUPID and CROSS experiments

CUPID, CROSS collaborations, : +182

An array of twelve 0.28 kg lithium molybdate (LMO) low-temperature bolometers equipped with 16 bolometric Ge light detectors, aiming at optimization of detector structure for CROSS…

astro-ph.CO2020

An Improved Measurement of the Secondary Cosmic Microwave Background Anisotropies from the SPT-SZ + SPTpol Surveys

C. L. Reichardt, S. Patil, P. A. R. Ade +74

We report new measurements of millimeter-wave power spectra in the angular multipole range (angular scales ). By add…

astro-ph.CO2020

Optimal CMB Lensing Reconstruction and Parameter Estimation with SPTpol Data

M. Millea, C. M. Daley, T-L. Chou +66

We perform the first simultaneous Bayesian parameter inference and optimal reconstruction of the gravitational lensing of the cosmic microwave background (CMB), using 100 deg o…

astro-ph.CO2020

Measurements of B-mode Polarization of the Cosmic Microwave Background from 500 Square Degrees of SPTpol Data

J. T. Sayre, C. L. Reichardt, J. W. Henning +62

We report a B-mode power spectrum measurement from the cosmic microwave background (CMB) polarization anisotropy observations made using the SPTpol instrument on the South Pole Tel…

astro-ph.IM2019

Performance of a low-parasitic frequency-domain multiplexing readout

A. E. Lowitz, A. N. Bender, P. Barry +14

Frequency-domain multiplexing is a readout technique for transition edge sensor bolometer arrays used on modern CMB experiments, including the SPT-3G receiver. Here, we present des…

astro-ph.IM2018

Characterization and performance of the second-year SPT-3G focal plane

D. Dutcher, P. A. R. Ade, Z. Ahmed +68

The third-generation instrument for the 10-meter South Pole Telescope, SPT-3G, was first installed in January 2017. In addition to completely new cryostats, secondary telescope opt…

astro-ph.CO2019

A Measurement of the Cosmic Microwave Background Lensing Potential and Power Spectrum from 500 deg of SPTpol Temperature and Polarization Data

W. L. K. Wu, L. M. Mocanu, P. A. R. Ade +68

We present a measurement of the cosmic microwave background (CMB) lensing potential using 500 deg of 150 GHz data from the SPTpol receiver on the South Pole Telescope. The lens…

astro-ph.CO2024

First Constraints on the Epoch of Reionization Using the non-Gaussianity of the Kinematic Sunyaev-Zel{'}dovich Effect from the South Pole Telescope and {\it Herschel}-SPIRE Observations

S. Raghunathan, P. A. R. Ade, A. J. Anderson +121

We report results from an analysis aimed at detecting the trispectrum of the kinematic Sunyaev-Zel{'}dovich (kSZ) effect by combining data from the South Pole Telescope (SPT) and {…

astro-ph.IM2012

South Pole Telescope Software Systems: Control, Monitoring, and Data Acquisition

K. Story, E. Leitch, P. Ade +64

We present the software system used to control and operate the South Pole Telescope. The South Pole Telescope is a 10-meter millimeter-wavelength telescope designed to measure anis…

astro-ph.GA2026

The South Pole Telescope AGN Monitoring Campaign: First Release of SPTpol Bright AGN Light Curves

J. C. Hood, P. A. R. Ade, A. J. Anderson +66

The South Pole Telescope (SPT) collaboration has recently embarked upon a campaign to monitor the brightness of a sample of active galactic nuclei (AGN), both in real time and in a…

astro-ph.CO2019

The SPTpol Extended Cluster Survey

L. E. Bleem, S. Bocquet, B. Stalder +135

We describe the observations and resultant galaxy cluster catalog from the 2770 deg SPTpol Extended Cluster Survey (SPT-ECS). Clusters are identified via the Sunyaev-Zel'dovich…

astro-ph.IM2019

Design and Bolometer Characterization of the SPT-3G First-year Focal Plane

W. Everett, P. A. R. Ade, Z. Ahmed +73

During the austral summer of 2016-17, the third-generation camera, SPT-3G, was installed on the South Pole Telescope, increasing the detector count in the focal plane by an order o…

astro-ph.CO2025

Measurements of the Temperature and E-mode Polarization of the Cosmic Microwave Background from the Full 500-square-degree SPTpol Dataset

T. -L. Chou, P. A. R. Ade, A. J. Anderson +59

Using the full four-year SPTpol 500 deg dataset in both the 95 GHz and 150 GHz frequency bands, we present measurements of the temperature and -mode polarization of the cosm…

astro-ph.CO2024

Testing the CDM Cosmological Model with Forthcoming Measurements of the Cosmic Microwave Background with SPT-3G

K. Prabhu, S. Raghunathan, M. Millea +98

We forecast constraints on cosmological parameters enabled by three surveys conducted with SPT-3G, the third-generation camera on the South Pole Telescope. The surveys cover separa…

astro-ph.IM2023

Fabrication Development for SPT-SLIM, a Superconducting Spectrometer for Line Intensity Mapping

T. Cecil, C. Albert, A. J. Anderson +18

Line Intensity Mapping (LIM) is a new observational technique that uses low-resolution observations of line emission to efficiently trace the large-scale structure of the Universe…

astro-ph.IM2022

Conceptual Design of the Modular Detector and Readout System for the CMB-S4 survey experiment

D. R. Barron, Z. Ahmed, J. Aguilar +47

We present the conceptual design of the modular detector and readout system for the Cosmic Microwave Background Stage 4 (CMB-S4) ground-based survey experiment. CMB-S4 will map the…

physics.ins-det2021

Novel technique for the study of pile-up events in cryogenic bolometers

A. Armatol, E. Armengaud, W. Armstrong +166

Precise characterization of detector time resolution is of crucial importance for next-generation cryogenic-bolometer experiments searching for neutrinoless double-beta decay, such…

astro-ph.IM2019

On-sky performance of the SPT-3G frequency-domain multiplexed readout

A. N. Bender, A. J. Anderson, J. S. Avva +86

Frequency-domain multiplexing (fMux) is an established technique for the readout of large arrays of transition edge sensor (TES) bolometers. Each TES in a multiplexing module has a…

cond-mat.supr-con2022

Strategies for reducing frequency scatter in large arrays of superconducting resonators

J. Li, P. S. Barry, Z. Pan +6

Superconducting resonators are now found in a broad range of applications that require high-fidelity measurement of low-energy signals. A common feature across almost all of these…

astro-ph.CO2023

A measurement of the mean central optical depth of galaxy clusters via the pairwise kinematic Sunyaev-Zel'dovich effect with SPT-3G and DES

E. Schiappucci, F. Bianchini, M. Aguena +139

We infer the mean optical depth of a sample of optically-selected galaxy clusters from the Dark Energy Survey (DES) via the pairwise kinematic Sunyaev-Zel'dovich (kSZ) effect. The…

astro-ph.IM2012

SPTpol: an instrument for CMB polarization measurements with the South Pole Telescope

J. E. Austermann, K. A. Aird, J. A. Beall +58

SPTpol is a dual-frequency polarization-sensitive camera that was deployed on the 10-meter South Pole Telescope in January 2012. SPTpol will measure the polarization anisotropy of…

astro-ph.IM2022

Performance and characterization of the SPT-3G digital frequency-domain multiplexed readout system using an improved noise and crosstalk model

J. Montgomery, P. A. R. Ade, Z. Ahmed +118

The third generation South Pole Telescope camera (SPT-3G) improves upon its predecessor (SPTpol) by an order of magnitude increase in detectors on the focal plane. The technology u…

astro-ph.CO2024

SPT Clusters with DES and HST Weak Lensing. II. Cosmological Constraints from the Abundance of Massive Halos

S. Bocquet, S. Grandis, L. E. Bleem +193

We present cosmological constraints from the abundance of galaxy clusters selected via the thermal Sunyaev-Zel'dovich (SZ) effect in South Pole Telescope (SPT) data with a simultan…

astro-ph.HE2021

Detection of Galactic and Extragalactic Millimeter-Wavelength Transient Sources with SPT-3G

S. Guns, A. Foster, C. Daley +119

High-angular-resolution cosmic microwave background experiments provide a unique opportunity to conduct a survey of time-variable sources at millimeter wavelengths, a population wh…

astro-ph.CO2021

A Demonstration of Improved Constraints on Primordial Gravitational Waves with Delensing

BICEP/Keck, SPTpol Collaborations, : +139

We present a constraint on the tensor-to-scalar ratio, , derived from measurements of cosmic microwave background (CMB) polarization -modes with "delensing," whereby the unce…

astro-ph.CO2019

A Detection of CMB-Cluster Lensing using Polarization Data from SPTpol

S. Raghunathan, S. Patil, E. Baxter +126

We report the first detection of gravitational lensing due to galaxy clusters using only the polarization of the cosmic microwave background (CMB). The lensing signal is obtained u…

astro-ph.IM2012

Design and characterization of 90 GHz feedhorn-coupled TES polarimeter pixels in the SPTpol camera

J. T. Sayre, P. Ade, K. A. Aird +58

The SPTpol camera is a two-color, polarization-sensitive bolometer receiver, and was installed on the 10 meter South Pole Telescope in January 2012. SPTpol is designed to study the…

astro-ph.IM2025

An On-Sky Atmospheric Calibration of SPT-SLIM

K. R. Dibert, M. Adamic, A. J. Anderson +26

We present the methodology and results of the on-sky responsivity calibration of the South Pole Telescope Shirokoff Line Intensity Mapper (SPT-SLIM). SPT-SLIM is a pathfinder line…

astro-ph.IM2025

Measurement and Modeling of Polarized Atmosphere at the South Pole with SPT-3G

A. Coerver, J. A. Zebrowski, S. Takakura +102

We present the detection and characterization of fluctuations in linearly polarized emission from the atmosphere above the South Pole. These measurements make use of data from the…

physics.ins-det2022

Optimization of the first CUPID detector module

CUPID collaboration, A. Armatol, C. Augier +175

CUPID will be a next generation experiment searching for the neutrinoless double decay, whose discovery would establish the Majorana nature of the neutrino. Based on the exper…

astro-ph.CO2014

Measurements of E-Mode Polarization and Temperature-E-Mode Correlation in the Cosmic Microwave Background from 100 Square Degrees of SPTpol Data

A. T. Crites, J. W. Henning, P. A. R. Ade +63

We present measurements of -mode polarization and temperature--mode correlation in the cosmic microwave background (CMB) using data from the first season of observations with…

astro-ph.IM2018

Design and characterization of the SPT-3G receiver

J. A. Sobrin, P. A. R. Ade, Z. Ahmed +68

The SPT-3G receiver was commissioned in early 2017 on the 10-meter South Pole Telescope (SPT) to map anisotropies in the cosmic microwave background (CMB). New optics, detector, an…