3 citations · 4 across the 8 of their papers we have counts for
5 papers · 1 filter
Bridging Simulations and EFT: A Hybrid Model of the Lyman-Alpha Forest Field
Roger de Belsunce, Boryana Hadzhiyska, Mikhail M. Ivanov
The Lyman-alpha (Lya) forest is a unique probe of cosmology and the intergalactic medium at high redshift and small scales. The statistical power of the ongoing Dark Energy Spectro…
Constraining primordial non-Gaussianity from DESI DR1 quasars and Planck PR4 CMB Lensing
Sofia Chiarenza, Alex Krolewski, Marco Bonici +54
We present the first measurement of local-type primordial non-Gaussianity from the cross-correlation between million spectroscopically confirmed quasars from the first data r…
The Compressed 3D Lyman-Alpha Forest Bispectrum
Roger de Belsunce, James M. Sullivan, Patrick McDonald
Cosmological studies of the Lyman-Alpha (Lya) forest typically constrain parameters using two-point statistics. However, higher-order statistics, such as the three-point function (…
Modeling the Cosmological Lyman- Forest at the Field Level
Roger de Belsunce, Mikhail M. Ivanov, James M. Sullivan +2
The distribution of absorption lines in the spectra of distant quasars, called the Lyman- (Ly-) forest, is a unique probe of cosmology and the intergalactic medium at high re…
Cosmology from Planck CMB Lensing and DESI DR1 Quasar Tomography
R. de Belsunce, A. Krolewski, S. Chiarenza +60
We present a measurement of the amplitude of matter fluctuations over the redshift range 0.8 <= z <= 3.5 from the cross correlation of over 1.2 million spectroscopic quasars select…