News

January 9, 2025 - Berkeley Lab announces Laboratory Directed Research and Development awards for FY25, including "Advanced Microwave Multiplexing of Transition-Edge Sensors for Millimeter-Wave Cosmology and Low-Mass Dark Matter Experiments" (PI: Groh) and "Enabling Low-Noise Efficient Cryogenic Sensor Processing and Control" (incl. Groh)
June 3, 2024 - The Simons Observatory completes its main construction phase, transitioning to focus on operations. Read more in a press release here
December 7, 2023 - The Particle Physics Project Prioritization Panel's decadal survey of high energy physics in the United States recommended CMB-S4 as the highest-priority new project for construction
November 30, 2023 - The CMB-S4 project passes an important review milestone. Read more here
October 26, 2023 - The National Science Foundation announces funding of up to $21.4M to develop the design of CMB-S4. Read more in a press release here

Publications

C.E. Sierra et al. "Simons Observatory: Pre-deployment Performance of a Large Aperture Telescope Optics Tube in the 90 and 150 GHz Spectral Bands." The Astrophysical Journal Supplement Series 276, 31 (2025). https://doi.org/10.3847/1538-4365/ad8cdc

B. Besuner et al. "CMB-S4 Systems Engineering." Proceedings of SPIE 13099 871-879 (2024). https://doi.org/10.1117/12.3017697

N. Galitzki et al. "The Simons Observatory: Design, Integration, and Testing of the Small Aperture Telescopes." The Astrophysical Journal Supplement Series 274, 33 (2024). https://doi.org/10.3847/1538-4365/ad64c9

J.C. Groh et al. "Crosstalk Effects in Microwave SQUID Multiplexed TES Bolometer Readout." Journal of Low Temperature Physics 216, 225–236 (2024). https://doi.org/10.1007/s10909-024-03126-w

D. Dutcher et al. "The Simons Observatory: Large-Scale Characterization of 90/150 GHz TES Detector Modules." Journal of Low Temperature Physics 216, 247-255 (2024). https://doi.org/10.1007/s10909-023-03045-2

D. Jones et al. "Qualification of Microwave SQUID Multiplexer Chips for Simons Observatory." Journal of Low Temperature Physics 216, 50-56 (2024). https://doi.org/10.1007/s10909-024-03102-4

For pre-2024 publications, I suggest starting with INSPIRE for a (mostly) complete list.