activity
20242026
most citedThe CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics

299 citations · 398 across the 23 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

22 papers · 1 filter

astro-ph.CO2026

Measuring the Clustering of tSZ-Selected Galaxy Clusters with SPT-3G

E. S. Martsen, D. Anbajagane, L. E. Bleem +96

We present a measurement of the spatial clustering of galaxy clusters selected via the thermal Sunyaev-Zel'dovich (tSZ) signal. Using a cluster catalog derived from five years of S…

astro-ph.CO2026

Limits on the size of electron density fluctuations in the early universe and implications for the Hubble tension

Gabriel P. Lynch, Jens Chluba, Richard Battye +1

Little is known about the early universe on scales smaller than those resolved by the cosmic microwave background (CMB), where electron density fluctuations on kiloparsec to megapa…

astro-ph.CO2026

SPT-3G D1: Quadratic-Estimator CMB Lensing Reconstruction and Cosmology

Y. Omori, W. L. K. Wu, Y. Nakato +92

We present a map of the cosmic microwave background (CMB) lensing potential reconstructed from observations taken during the 2019 and 2020 seasons with the third-generation camera…

astro-ph.CO2026

SPT-3G D1: Foreground-Robust Lensing Templates for Primordial Gravitational Wave Searches

Y. Nakato, W. L. K. Wu, Y. Omori +92

Gravitational lensing of the cosmic microwave background (CMB) generates B-mode polarization that acts as a source of contamination to searches for B modes generated by primordial…

astro-ph.CO2026

Boosting the optical depth to Thomson scattering with primordial black hole evaporation at high redshift

Isaac Sierra, Gabriel P. Lynch, Lloyd Knox +3

BAO and CMB data are somewhat discrepant when interpreted in the context of cdm, discrepancies that show up as a `matter density deficit' and as a `CMB lensing excess'. One poss…

astro-ph.CO2026

CMB Lensing Reconstruction Using Two Years of Temperature Data from the SPT-3G Summer Survey

K. Levy, S. Raghunathan, F. Guidi +91

We present the first reconstruction of the cosmic microwave background (CMB) lensing potential from the SPT-3G Summer survey using two years of temperature data. The Summer survey…

astro-ph.CO2026

Cross-correlation of SPT-3G D1 CMB lensing and DES Y3 galaxy lensing

A. Ouellette, Y. Omori, E. Anderes +92

Measurements of the weak lensing of galaxies and of the cosmic microwave background (CMB) provide direct probes of the cosmic matter density field, but the two observables are sens…

astro-ph.CO2026

Galaxy Clusters Selected via the Sunyaev-Zel'dovich Effect in 5 year data from the SPT-3G Main Survey

L. E. Bleem, M. Klein, K. Kornoelje +148

We report a new galaxy cluster catalog, selected using the thermal Sunyaev-Zel'dovich (SZ) effect, from 5 years of observations of the SPT-3G Main field. Drawn from arcminute-resol…

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.CO2026

SPT-3G D1: Maps of the millimeter-wave sky from 2019 and 2020 observations of the SPT-3G Main field

W. Quan, E. Camphuis, C. Daley +92

Maps of the sky in millimeter wavelengths contain rich information on cosmology through anisotropies of the cosmic microwave background (CMB). Creating multifrequency sky maps of a…

astro-ph.CO2026

SPT-3G D1: Compton- maps using data from the SPT-3G and Planck surveys

A. S. Maniyar, F. Bianchini, W. L. K. Wu +105

We present thermal Sunyaev-Zel'dovich (tSZ) Compton- parameter maps constructed from two years (2019-2020) of observations with the South Pole Telescope (SPT) third-generation c…

astro-ph.CO2026

Characterization of the Polarization Beam Response of SPT-3G Using Point Sources

T. de Haan, M. Archipley, N. Huang +101

Precise measurements of cosmic microwave background (CMB) polarization require rigorous control of instrumental systematics. For the South Pole Telescope's third-generation camera…

astro-ph.CO2026

SPT-3G D1: A Measurement of Secondary Cosmic Microwave Background Anisotropy Power

P. Chaubal, N. Huang, C. L. Reichardt +104

We report new measurements of millimeter-wave temperature power spectra in the angular multipole range (wavelengths …

astro-ph.CO2025

Towards constraining cosmological parameters with SPT-3G observations of 25% of the sky

A. Vitrier, K. Fichman, L. Balkenhol +103

The South Pole Telescope (SPT), using its third-generation camera, SPT-3G, is conducting observations of the cosmic microwave background (CMB) in temperature and polarization acros…

astro-ph.CO2025★ 11 cited

SPT-3G D1: Axion Early Dark Energy with CMB experiments and DESI

A. R. Khalife, L. Balkenhol, E. Camphuis +92

We present the most up-to-date constraints on axion early dark energy (AEDE) from cosmic microwave background (CMB) and baryon acoustic oscillation (BAO) measurements. In particula…

astro-ph.CO2025★ 62 cited

SPT-3G D1: CMB temperature and polarization power spectra and cosmology from 2019 and 2020 observations of the SPT-3G Main field

E. Camphuis, W. Quan, L. Balkenhol +94

We present measurements of the temperature and E-mode polarization angular power spectra of the cosmic microwave background (CMB) from observations of 4% of the sky with SPT-3G, th…

astro-ph.CO2025

Constraints on Inflationary Gravitational Waves with Two Years of SPT-3G Data

J. A. Zebrowski, C. L. Reichardt, A. J. Anderson +95

We present a measurement of the -mode polarization power spectrum of the cosmic microwave background anisotropies at 32 502 for three bands centered at 95, 150,…

astro-ph.CO2025★ 20 cited

Unified and consistent structure growth measurements from joint ACT, SPT and \textit{Planck} CMB lensing

Frank J. Qu, Fei Ge, W. L. Kimmy Wu +143

We present the tightest cosmic microwave background (CMB) lensing constraints to date on the growth of structure by combining CMB lensing measurements from the Atacama Cosmology Te…

astro-ph.CO2025★ 299 cited

The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics

Eleonora Di Valentino, Jackson Levi Said, Adam Riess +533

The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades.…

astro-ph.CO2025

What's the matter with ?

Gabriel P. Lynch, Lloyd Knox

Due to non-zero neutrino rest masses we expect the energy density today in non-relativistic matter, , to be greater than the sum of baryon and cold dark matter densities…

astro-ph.CO2024★ 2 cited

DESI and the Hubble tension in light of modified recombination

Gabriel P. Lynch, Lloyd Knox, Jens Chluba

Recent measurements and analyses from the Dark Energy Spectroscopic Instrument (DESI) Collaboration and supernova surveys combined with cosmic microwave background (CMB) observatio…

astro-ph.CO2024

Reconstructing the recombination history by combining early and late cosmological probes

Gabriel P. Lynch, Lloyd Knox, Jens Chluba

We develop and apply a new framework for reconstructing the ionization history during the epoch of recombination with combinations of cosmic microwave background (CMB), baryon acou…