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Strategies to Detect Dark-Matter Decays with Line-Intensity Mapping
José Luis Bernal, Andrea Caputo, Marc Kamionkowski
The nature of dark matter is a longstanding mystery in cosmology, which can be studied with laboratory or collider experiments, as well as astrophysical and cosmological observatio…
Kinetic Sunyaev-Zel'dovich tomography with line-intensity mapping
Gabriela Sato-Polito, José Luis Bernal, Kimberly K. Boddy +1
The kinetic Sunyaev-Zel'dovich (kSZ) effect is a secondary cosmic microwave background (CMB) anisotropy induced by the scattering of CMB photons off intervening electrons. Through…
TDCOSMO VI: Distance Measurements in Time-delay Cosmography under the Mass-sheet transformation
Geoff C. -F. Chen, Christopher D. Fassnacht, Sherry H. Suyu +3
Time-delay cosmography with gravitationally lensed quasars plays an important role in anchoring the absolute distance scale and hence measuring the Hubble constant, , indepe…
Early dark energy is not excluded by current large-scale structure data
Tristan L. Smith, Vivian Poulin, José Luis Bernal +3
We revisit the impact of early dark energy (EDE) on galaxy clustering using BOSS galaxy power spectra, analyzed using the effective field theory (EFT) of large-scale structure (LSS…
Inferring the Age of the Universe with Globular Clusters
David Valcin, José Luis Bernal, Raul Jimenez +2
We present an estimate of the absolute age of 68 galactic globular clusters obtained by exploiting the distribution of stars in the full color-magnitude diagram. In particular, we…
Blind Observers of the Sky
Samuel Brieden, Héctor Gil-Marín, Licia Verde +1
The concept of blind analysis, a key procedure to remove the human-based systematic error called confirmation bias, has long been an integral part of data analysis in many research…