181 citations · 272 across the 14 of their papers we have counts for
15 papers
Blast.jl: Differentiable Non-Limber Power Spectra for Joint Clustering, Shear, and CMB lensing Analyses
Sofia Chiarenza, Marco Bonici, Stefano Camera +4
Upcoming large-scale structure surveys require accurate theoretical predictions for angular power spectra on the largest angular scales, where the commonly used Limber approximatio…
Selection effects in correlated observations with application to distance-ladder observations
Will J. Percival
For over a century, following the work of Eddington, Kapteyn, Malmquist and others, astronomers have wrestled with selection biases when making inferences from samples of objects.…
Estimating non-gaussian bias using counts of tracers
Neal Dalal, Will J. Percival
Local-type primordial non-gaussianity generates a distinctive term in the clustering of tracers of large-scale structure, behaving as at small wavenumbers . In order to…
Tomographic halo model of the unWISE-Blue galaxies using cross-correlations with BOSS CMASS galaxies
Alex Krolewski, Jensen Lawrence, Will J. Percival
The halo model offers a framework for investigating galaxy clustering, and for understanding the growth of galaxies and the distribution of galaxies of different types. Here, we us…
Reducing nuisance prior sensitivity via non-linear reparameterization, with application to EFT analyses of large-scale structure
S. Paradiso, M. Bonici, M. Chen +4
Many physical models contain nuisance parameters that quantify unknown properties of an experiment that are not of primary relevance. Typically, these cannot be measured except by…
Super sample covariance and the volume scaling of galaxy survey covariance matrices
Greg Schreiner, Alex Krolewski, Shahab Joudaki +1
Super sample covariance (SSC) is important when estimating covariance matrices using a set of mock catalogues for galaxy surveys. If the underlying cosmological simulations do not…
Cosmological measurements from the CMB and BAO are insensitive to the tail probability in the assumed likelihood
Jordan Krywonos, Simone Paradiso, Alex Krolewski +2
When fitting cosmological models to data, a Bayesian framework is commonly used, requiring assumptions on the form of the likelihood and model prior. In light of current tensions b…
A new method to determine from cosmological energy-density measurements
Alex Krolewski, Will J. Percival, Alex Woodfinden
We introduce a new method for measuring the Hubble parameter from low-redshift large-scale observations that is independent of the comoving sound horizon. The method uses the baryo…
Evaluating extensions to LCDM: an application of Bayesian model averaging and selection
S. Paradiso, G. McGee, W. J. Percival
We employ Bayesian Model Averaging (BMA) as a powerful statistical framework to address key cosmological questions about the universe's fundamental properties. We explore extension…
Testing Large-Scale Structure Measurements Against Fisher Matrix Predictions
Setareh Foroozan, Alex Krolewski, Will J. Percival
We compare Baryonic Acoustic Oscillation (BAO) and Redshift Space Distortion (RSD) measurements from recent galaxy surveys with their Fisher matrix based predictions. Measurements…
Anisotropic effective redshift and evolving clustering amplitude
Andrej Obuljen, Will J. Percival
A typical galaxy survey geometry results in galaxy pairs of different separation and angle to the line-of-sight having different distributions in redshift and consequently a differ…
Detection of anisotropic galaxy assembly bias in BOSS DR12
Andrej Obuljen, Will J. Percival, Neal Dalal
We present evidence of anisotropic galaxy assembly bias in the Baryon Oscillation Spectroscopic Survey Data Release 12 galaxy sample at a level exceeding . We use measurements…
Anisotropic halo assembly bias and redshift-space distortions
Andrej Obuljen, Neal Dalal, Will J. Percival
We study the effect of large-scale tidal fields on internal halo properties using a set of N-body simulations. We measure significant cross-correlations between large-scale tidal f…
Using galaxy pairs as cosmological tracers
Alicia Bueno Belloso, Guido Walter Pettinari, Nikolai Meures +1
The Alcock-Paczynski (AP) effect uses the fact that, when analyzed with the correct geometry, we should observe structure that is statistically isotropic in the Universe. For struc…
A new upper limit on the total neutrino mass from the 2dF Galaxy Redshift Survey
O. Elgaroy, O. Lahav, W. J. Percival +27
We constrain f_nu = Omega_nu / Omega_m, the fractional contribution of neutrinos to the total mass density in the Universe, by comparing the power spectrum of fluctuations derived…