Dark Energy Survey Year 3 results: Cosmological constraints from galaxy clustering and weak lensing
We present the first cosmology results from large-scale structure using the full 5000 deg 2 of
imaging data from the Dark Energy Survey (DES) Data Release 1. We perform an analysis …
imaging data from the Dark Energy Survey (DES) Data Release 1. We perform an analysis …
Arbitrating the S8 discrepancy with growth rate measurements from redshift-space distortions
RC Nunes, S Vagnozzi - Monthly Notices of the Royal …, 2021 - academic.oup.com
Within the Lambda cold dark matter (ΛCDM) model, measurements from recent cosmic
microwave background (CMB) and weak lensing (WL) surveys have uncovered a∼ 3σ …
microwave background (CMB) and weak lensing (WL) surveys have uncovered a∼ 3σ …
The abacus cosmological N-body code
LH Garrison, DJ Eisenstein, D Ferrer… - Monthly Notices of …, 2021 - academic.oup.com
We present abacus, a fast and accurate cosmological N-body code based on a new method
for calculating the gravitational potential from a static multipole mesh. The method …
for calculating the gravitational potential from a static multipole mesh. The method …
Consistent lensing and clustering in a low-S8 Universe with BOSS, DES Year 3, HSC Year 1, and KiDS-1000
A Amon, NC Robertson, H Miyatake… - Monthly Notices of …, 2023 - academic.oup.com
We evaluate the consistency between lensing and clustering based on measurements from
Baryon Oscillation Spectroscopic Survey combined with galaxy–galaxy lensing from Dark …
Baryon Oscillation Spectroscopic Survey combined with galaxy–galaxy lensing from Dark …
Stringent σ8 constraints from small-scale galaxy clustering using a hybrid MCMC + emulator framework
We present a novel simulation-based hybrid emulator approach that maximally derives
cosmological and Halo Occupation Distribution (HOD) information from non-linear galaxy …
cosmological and Halo Occupation Distribution (HOD) information from non-linear galaxy …
AbacusHOD: a highly efficient extended multitracer HOD framework and its application to BOSS and eBOSS data
We introduce the AbacusHOD model and present two applications of AbacusHOD and the
AbacusSummit simulations to observations. AbacusHOD is a Halo Occupation Distribution …
AbacusSummit simulations to observations. AbacusHOD is a Halo Occupation Distribution …
Going beyond the galaxy power spectrum: An analysis of BOSS data with wavelet scattering transforms
G Valogiannis, C Dvorkin - Physical Review D, 2022 - APS
We perform the first application of the wavelet scattering transform (WST) to actual galaxy
observations, through a WST analysis of the BOSS DR12 CMASS dataset. We included the …
observations, through a WST analysis of the BOSS DR12 CMASS dataset. We included the …
The Aemulus Project. V. Cosmological Constraint from Small-scale Clustering of BOSS Galaxies
We analyze clustering measurements of BOSS galaxies using a simulation-based emulator
of two-point statistics. We focus on the monopole and quadrupole of the redshift-space …
of two-point statistics. We focus on the monopole and quadrupole of the redshift-space …
The MillenniumTNG Project: an improved two-halo model for the galaxy–halo connection of red and blue galaxies
B Hadzhiyska, D Eisenstein, L Hernquist… - Monthly Notices of …, 2023 - academic.oup.com
Approximate methods to populate dark-matter haloes with galaxies are of great utility to
galaxy surveys. However, the limitations of simple halo occupation models (HODs) preclude …
galaxy surveys. However, the limitations of simple halo occupation models (HODs) preclude …
The DESI one-per cent survey: exploring the halo occupation distribution of luminous red galaxies and quasi-stellar objects with AbacusSummit
We present the first comprehensive halo occupation distribution (HOD) analysis of the Dark
Energy Spectroscopic Instrument (DESI) One-Percent Survey luminous red galaxy (LRG) …
Energy Spectroscopic Instrument (DESI) One-Percent Survey luminous red galaxy (LRG) …