Research

Mapping the Polarization of the Cosmic Microwave Background

Our group works on instrumentation and analysis for ground-based CMB polarization experiments, with work supported by the Department of Energy, the National Science Foundation, and the Research Corporation for Science Advancement.

 

Select Publications 

SPT-3G+: A Cosmic Microwave Background Experiment for the South Pole Telescope
T. Natoli et al. (2026) — arXiv:2608.20236
doi.org/10.48550/arXiv.2608.20236

Thermal and Electrical Properties of Prototype Readout Components for CMB-S4
W. Dominguez, D. R. Barron, et al. (2026), IEEE Transactions on Applied Superconductivity, 36(6), 2502807
doi.org/10.1109/TASC.2026.3682450

Performance characterization of the transition-edge sensor array, readout system, and optical coupling of the Simons Array cosmic microwave background experiment
N. Farias et al., including D. R. Barron (2026), Review of Scientific Instruments, 97(8), 083101
doi.org/10.1063/5.0319093

Scanning Water Vapor Radiometers for CMB Observatories in Chile and at South Pole
S. C. Mackey, A. Papen, D. Barkats, D. Barron, et al. (2026), USNC-URSI NRSM 2026
doi.org/10.23919/NRSM68586.2026.11550786

On the Use of Letters of Recommendation in Astronomy and Astrophysics Graduate Admissions
D. Barron, R. Bezanson, L. Blecha, et al. (2024), Bulletin of the AAS, 56(1)
doi.org/10.3847/25c2cfeb.5474fe92

Conceptual design of the modular detector and readout system for the CMB-S4 survey experiment
D. R. Barron et al. (2022), Proceedings of the SPIE, 12190, 121900B
doi.org/10.1117/12.2630494

Review of radio frequency interference and potential impacts on the CMB-S4 cosmic microwave background survey
D. R. Barron et al. (2022), Proceedings of the SPIE, 12190, 1219002
doi.org/10.1117/12.2629651

CMB-S4: Forecasting Constraints on Primordial Gravitational Waves
K. Abazajian et al., including D. Barron (2022), ApJ, 926, 54
doi.org/10.3847/1538-4357/ac1596