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The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes
The Simons Observatory Collaboration, I. Abril-Cabezas, S. Adachi +479
We present updated forecasts for the scientific performance of the degree-scale (0.5 deg FWHM at 93 GHz), deep-field survey to be conducted by the Simons Observatory (SO). By 2027,…
Differing Manifestations of Spatial Curvature in Cosmological FRW Models
Meir Shimon, Yoel Rephaeli
We find statistical evidence for a mismatch between the (global) spatial curvature parameter in the geodesic equation for incoming photons, and the corresponding parameter in t…
Impact of Low ell's on Large Scale Structure Anomalies
Ido Ben-Dayan, Utkarsh Kumar, Meir Shimon +1
We scrutinize the reported lensing anomaly of the CMB by considering several phenomenological modifications of the lensing consistency parameter, . Considering Planck sp…
Elucidation of 'Cosmic Coincidence'
Meir Shimon
In the standard cosmological model the dark energy (DE) and nonrelativistic (NR) matter densities are observationally determined to be comparable at the present time, in spite of t…
Snowmass2021 Cosmic Frontier: Cosmic Microwave Background Measurements White Paper
Clarence L. Chang, Kevin M. Huffenberger, Bradford A. Benson +128
This is a solicited whitepaper for the Snowmass 2021 community planning exercise. The paper focuses on measurements and science with the Cosmic Microwave Background (CMB). The CMB…
Possible Resolution of the Hubble Tension with Weyl Invariant Gravity
Meir Shimon
We explore cosmological implications of a genuinely Weyl invariant (WI) gravitational interaction. The latter reduces to general relativity in a particular conformal frame for whic…