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The Simons Observatory: Science goals and forecasts
The Simons Observatory Collaboration, Peter Ade, James Aguirre +247
The Simons Observatory (SO) is a new cosmic microwave background experiment being built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the scient…
A Critical Assessment of CMB Limits on Dark Matter-Baryon Scattering: New Treatment of the Relative Bulk Velocity
Kimberly K. Boddy, Vera Gluscevic, Vivian Poulin +3
We perform an improved cosmic microwave background (CMB) analysis to search for dark matter-proton scattering with a momentum-transfer cross section of the form for $n=-2…
Tighter Limits on Dark Matter Explanations of the Anomalous EDGES 21cm Signal
Ely D. Kovetz, Vivian Poulin, Vera Gluscevic +3
We investigate the hypothesis that Coulomb-type interactions between dark matter (DM) and baryons explain the anomalously low 21cm brightness-temperature minimum at redshift z ~ 17…
Disentangling Dark Physics with Cosmic Microwave Background Experiments
Zack Li, Vera Gluscevic, Kimberly K. Boddy +1
We forecast constraints on dark matter (DM) scattering with baryons in the early Universe with upcoming and future cosmic microwave background (CMB) experiments, for DM particle ma…
First Cosmological Constraint on the Effective Theory of Dark Matter-Proton Interactions
Kimberly K. Boddy, Vera Gluscevic
We obtain the first cosmological constraints on interactions between dark matter and protons within the formalism of nonrelativistic effective field theory developed for direct det…