Modelling baryonic feedback for survey cosmology

NE Chisari, AJ Mead, S Joudaki, P Ferreira… - arxiv preprint arxiv …, 2019 - arxiv.org
Observational cosmology in the next decade will rely on probes of the distribution of matter
in the redshift range between $0< z< 3$ to elucidate the nature of dark matter and dark …

Revising the halofit model for the nonlinear matter power spectrum

R Takahashi, M Sato, T Nishimichi… - The Astrophysical …, 2012 - iopscience.iop.org
Based on a suite of state-of-the-art high-resolution N-body simulations, we revisit the so-
called halofit model as an accurate fitting formula for the nonlinear matter power spectrum …

hmcode-2020: improved modelling of non-linear cosmological power spectra with baryonic feedback

AJ Mead, S Brieden, T Tröster… - Monthly Notices of the …, 2021 - academic.oup.com
We present an updated version of the hmcode augmented halo model that can be used to
make accurate predictions of the non-linear matter power spectrum over a wide range of …

An accurate halo model for fitting non-linear cosmological power spectra and baryonic feedback models

AJ Mead, JA Peacock, C Heymans… - Monthly Notices of …, 2015 - academic.oup.com
We present an optimized variant of the halo model, designed to produce accurate matter
power spectra well into the non-linear regime for a wide range of cosmological models. To …

The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: mock galaxy catalogues for the BOSS Final Data Release

FS Kitaura, S Rodriguez-Torres… - Monthly Notices of …, 2016 - academic.oup.com
We reproduce the galaxy clustering catalogue from the SDSS-III Baryon Oscillation
Spectroscopic Survey Final Data Release (BOSS DR11&DR12) with high fidelity on all …

Dark quest. I. Fast and accurate emulation of halo clustering statistics and its application to galaxy clustering

T Nishimichi, M Takada, R Takahashi… - The Astrophysical …, 2019 - iopscience.iop.org
We perform an ensemble of N-body simulations with 2048 3 particles for 101 flat wCDM
cosmological models sampled based on a maximin distance sliced Latin hypercube design …

Blinded challenge for precision cosmology with large-scale structure: results from effective field theory for the redshift-space galaxy power spectrum

T Nishimichi, G D'Amico, MM Ivanov, L Senatore… - Physical Review D, 2020 - APS
An accurate theoretical template for the galaxy power spectrum is key for the success of
ongoing and future spectroscopic surveys. We examine to what extent the effective field …

Joint constraints on cosmology and the impact of baryon feedback: Combining KiDS-1000 lensing with the thermal Sunyaev–Zeldovich effect from Planck and ACT

T Tröster, AJ Mead, C Heymans, Z Yan… - Astronomy & …, 2022 - aanda.org
We conduct a pseudo-C ℓ analysis of the tomographic cross-correlation between 1000 deg
2 of weak-lensing data from the Kilo-Degree Survey (KiDS-1000) and the thermal Sunyaev …

The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: RSD measurement from the LOS-dependent power spectrum of DR12 BOSS …

H Gil-Marín, WJ Percival, JR Brownstein… - Monthly Notices of …, 2016 - academic.oup.com
We measure and analyse the clustering of the Baryon Oscillation Spectroscopic Survey
(BOSS) relative to the line of sight (LOS), for LOWZ and CMASS galaxy samples drawn from …

Simultaneous constraints on the growth of structure and cosmic expansion from the multipole power spectra of the SDSS DR7 LRG sample

A Oka, S Saito, T Nishimichi, A Taruya… - Monthly Notices of the …, 2014 - academic.oup.com
The anisotropic galaxy clustering on large scales provides us with a unique opportunity to
probe into the gravity theory through the redshift-space distortions (RSDs) and the Alcock …