Exploring $boldsymbol{2+2}$ Answers to $boldsymbol{3+1}$ Questions

Kavli Affiliate: Austin Joyce | First 5 Authors: Jonathan J. Heckman, Austin Joyce, Jeremy Sakstein, Mark Trodden, | Summary: We explore potential uses of physics formulated in Kleinian (i.e., $2+2$) signature spacetimes as a tool for understanding properties of physics in Lorentzian (i.e., $3+1$) signature. Much as Euclidean (i.e., $4+0$) signature quantities can be used […]


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Estimating Cosmological Constraints from Galaxy Cluster Abundance using Simulation-Based Inference

Kavli Affiliate: Brian Nord | First 5 Authors: Moonzarin Reza, Yuanyuan Zhang, Brian Nord, Jason Poh, Aleksandra Ciprijanovic | Summary: Inferring the values and uncertainties of cosmological parameters in a cosmology model is of paramount importance for modern cosmic observations. In this paper, we use the simulation-based inference (SBI) approach to estimate cosmological constraints from […]


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Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey

Kavli Affiliate: John E. Carlstrom | First 5 Authors: Darcy R. Barron, Amy N. Bender, Ian E. Birdwell, John E. Carlstrom, Jacques Delabrouille | Summary: CMB-S4 will map the cosmic microwave background to unprecedented precision, while simultaneously surveying the millimeter-wave time-domain sky, in order to advance our understanding of cosmology and the universe. CMB-S4 will […]


Continue.. Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey

Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey

Kavli Affiliate: John E. Carlstrom | First 5 Authors: Darcy R. Barron, Amy N. Bender, Ian E. Birdwell, John E. Carlstrom, Jacques Delabrouille | Summary: CMB-S4 will map the cosmic microwave background to unprecedented precision, while simultaneously surveying the millimeter-wave time-domain sky, in order to advance our understanding of cosmology and the universe. CMB-S4 will […]


Continue.. Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey

Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey

Kavli Affiliate: John E. Carlstrom | First 5 Authors: Darcy R. Barron, Amy N. Bender, Ian E. Birdwell, John E. Carlstrom, Jacques Delabrouille | Summary: CMB-S4 will map the cosmic microwave background to unprecedented precision, while simultaneously surveying the millimeter-wave time-domain sky, in order to advance our understanding of cosmology and the universe. CMB-S4 will […]


Continue.. Review of Radio Frequency Interference and Potential Impacts on the CMB-S4 Cosmic Microwave Background Survey

The Mira-Titan Universe IV. High Precision Power Spectrum Emulation

Kavli Affiliate: Salman Habib | First 5 Authors: Kelly R. Moran, Katrin Heitmann, Earl Lawrence, Salman Habib, Derek Bingham | Summary: Modern cosmological surveys are delivering datasets characterized by unprecedented quality and statistical completeness; this trend is expected to continue into the future as new ground- and space-based surveys come online. In order to maximally […]


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Optical design concept of the CMB-S4 large-aperture telescopes and cameras

Kavli Affiliate: Bradford Benson | First 5 Authors: Patricio A. Gallardo, Bradford Benson, John Carlstrom, Simon R. Dicker, Nick Emerson | Summary: CMB-S4 — the next-generation ground-based cosmic microwave background (CMB) experiment – will significantly advance the sensitivity of CMB measurements and improve our understanding of the origin and evolution of the universe. CMB-S4 will […]


Continue.. Optical design concept of the CMB-S4 large-aperture telescopes and cameras