# Projected two- and three-point statistics: forecasts and mitigation of non-linear RSDs

@article{Leicht2020ProjectedTA, title={Projected two- and three-point statistics: forecasts and mitigation of non-linear RSDs}, author={Oliver Leicht and T. Baldauf and J. Fergusson and P. Shellard}, journal={arXiv: Cosmology and Nongalactic Astrophysics}, year={2020} }

The combination of two- and three-point clustering statistics of galaxies and the underlying matter distribution has the potential to break degeneracies between cosmological parameters and nuisance parameters and can lead to significantly tighter constraints on parameters describing the composition of the Universe and the dynamics of inflation. Here we investigate the relation between biases in the estimated parameters and inaccurate modelling of non-linear redshift-space distortions for the… Expand

#### Figures and Tables from this paper

#### References

SHOWING 1-10 OF 96 REFERENCES

Information content in the redshift-space galaxy power spectrum and bispectrum

- Physics
- 2020

We present a Fisher information study of the statistical impact of galaxy bias and selection effects on the estimation of key cosmological parameters from galaxy redshift surveys; in particular, the… Expand

Planck 2018 results. IX. Constraints on primordial non-Gaussianity

- Physics
- 2019

We analyse the Planck full-mission cosmic microwave background (CMB) temperature and E-mode polarization maps to obtain constraints on primordial non-Gaussianity (NG). We compare estimates obtained… Expand

LSS constraints with controlled theoretical uncertainties

- Physics
- 2016

Forecasts and analyses of cosmological observations often rely on the assumption of a perfect theoretical model over a defined range of scales. We explore how model uncertainties and nuisance… Expand

The DESI Experiment Part I: Science,Targeting, and Survey Design

- Physics
- 2016

DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through redshift-space… Expand

Cosmology with the SPHEREX All-Sky Spectral Survey

- Physics
- 2014

SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) ( this http URL ) is a proposed all-sky spectroscopic survey satellite designed to address all… Expand

LSST Science Book, Version 2.0

- Physics, Engineering
- 2009

A survey that can cover the sky in optical bands over wide fields to faint magnitudes with a fast cadence will enable many of the exciting science opportunities of the next decade. The Large Synoptic… Expand

On decoupling the integrals of cosmological perturbation theory

- Physics
- 2018

Perturbation theory (PT) is often used to model statistical observables capturing the translation and rotation-invariant information in cosmological density fields. PT produces higher-order… Expand

Rotation method for accelerating multiple-spherical Bessel function integrals against a numerical source function

- Physics
- 2019

Author(s): Slepian, Zachary; Li, Yin; Schmittfull, Marcel; Vlah, Zvonimir | Abstract: A common problem in cosmology is to integrate the product of two or more spherical Bessel functions (sBFs) with… Expand

Planck 2018 results

- Physics
- 2020

Author(s): Aghanim, N; Akrami, Y; Ashdown, M; Aumont, J; Baccigalupi, C; Ballardini, M; Banday, AJ; Barreiro, RB; Bartolo, N; Basak, S; Battye, R; Benabed, K; Bernard, JP; Bersanelli, M; Bielewicz,… Expand

CMB-S4 Science Case, Reference Design, and Project Plan

- Engineering, Physics
- 2019

We present the science case, reference design, and project plan for the Stage-4 ground-based cosmic microwave background experiment CMB-S4.