Kavli Affiliate: Edward W. Kolb | First 5 Authors: Christian Capanelli, Leah Jenks, Edward W. Kolb, Evan McDonough, | Summary: Dark photons are a theorized massive spin-1 particle which can be produced via various mechanisms, including cosmological gravitational particle production (GPP) in the early universe. In this work, we extend previous results for GPP of […]
Kavli Affiliate: Wendy L. Freedman | First 5 Authors: M. M. Phillips, C. Ashall, Peter J. Brown, L. Galbany, M. A. Tucker | Summary: Understanding the nature of the luminous 1991T-like supernovae is of great importance to supernova cosmology as they are likely to have been more common in the early universe. In this paper […]
Kavli Affiliate: Daniel E. Holz | First 5 Authors: Alexandra G. Hanselman, Aditya Vijaykumar, Maya Fishbach, Daniel E. Holz, | Summary: The discovery of GW170817 provided the first direct gravitational-wave measurement of the Hubble constant, $H_0$, demonstrating the potential power of standard-siren cosmology. The dark siren approach can be utilized for gravitational-wave sources in the […]
Kavli Affiliate: Daniel E. Holz | First 5 Authors: Alexandra G. Hanselman, Aditya Vijaykumar, Maya Fishbach, Daniel E. Holz, | Summary: The detection of GW170817 and the measurement of its redshift from the associated electromagnetic counterpart provided the first gravitational wave determination of the Hubble constant ($H_0$), demonstrating the potential power of standard-siren cosmology. In […]
Kavli Affiliate: Andrey Kravtsov | First 5 Authors: Zewei Wu, Andrey Kravtsov, , , | Summary: We present estimates of the ultraviolet (UV) and Lyman continuum flux density contributed by galaxies of luminosities from $M_{rm UV}approx -25$ to $M_{rm UV}=-4$ at redshifts $5leq zleq 10$ using a galaxy formation model that reproduces properties of local […]
Kavli Affiliate: Andrey Kravtsov | First 5 Authors: Zewei Wu, Andrey Kravtsov, , , | Summary: We present estimates of the ultraviolet (UV) and Lyman continuum flux density contributed by galaxies of luminosities from $M_{rm UV}approx -25$ to $M_{rm UV}=-4$ at redshifts $5leq zleq 10$ using a galaxy formation model that reproduces properties of local […]
Kavli Affiliate: Andrey Kravtsov | First 5 Authors: Zewei Wu, Andrey Kravtsov, , , | Summary: We present estimates of the ultraviolet (UV) and Lyman continuum flux density contributed by galaxies of luminosities from $M_{rm UV}approx -25$ to $M_{rm UV}=-4$ at redshifts $5leq zleq 10$ using a galaxy formation model that reproduces properties of local […]
Kavli Affiliate: Jeffrey J. McMahon | First 5 Authors: Carlos E. Sierra, Kathleen Harrington, Shreya Sutariya, Thomas Alford, Anna M. Kofman | Summary: The Simons Observatory will map the temperature and polarization over half of the sky, at millimeter wavelengths in six spectral bands from the Atacama Desert in Chile. These data will provide new […]
Kavli Affiliate: Andrey Kravtsov | First 5 Authors: Andrey Kravtsov, Sophia Winney, , , | Summary: We present a study illustrating the effects of the passage of a Large Magellanic Cloud (LMC) mass satellite on the distance and velocity distributions of satellites in $Lambda+$Cold Dark Matter simulations of Milky Way (MW) sized halos. In agreement […]
Kavli Affiliate: Andrey Kravtsov | First 5 Authors: Andrey Kravtsov, Sophia Winney, , , | Summary: We present a study illustrating the effects of the passage of a Large Magellanic Cloud (LMC) mass satellite on the distance and velocity distributions of satellites in $Lambda+$Cold Dark Matter simulations of Milky Way (MW) sized halos. In agreement […]