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Related papers: BOSS full-shape analysis from the EFTofLSS with ex…

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The precision of the cosmological data allows us to accurately approximate the predictions for cosmological observables by Taylor expanding up to a low order the dependence on the cosmological parameters around a reference cosmology. By…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-17 Thomas Colas , Guido D'Amico , Leonardo Senatore , Pierre Zhang , Florian Beutler

After calibrating the predictions of the Effective Field Theory of Large-Scale Structure against several sets of simulations, as well as implementing a new method to assert the scale cut of the theory without the use of any simulation, we…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-02 Pierre Zhang , Guido D'Amico , Leonardo Senatore , Cheng Zhao , Yifu Cai

We study the effect of the Einstein - de Sitter (EdS) approximation on the one-loop power spectrum of galaxies in redshift space in the Effective Field Theory of Large-Scale Structure. The dark matter density perturbations and velocity…

Cosmology and Nongalactic Astrophysics · Physics 2020-10-22 Yaniv Donath , Leonardo Senatore

We present the effective-field theory (EFT)-based cosmological full-shape analysis of the anisotropic power spectrum of eBOSS quasars at the effective redshift $z_{\rm eff}=1.48$. We perform extensive tests of our pipeline on simulations,…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-22 Anton Chudaykin , Mikhail M. Ivanov

We present cosmological results inferred from the effective-field theory (EFT) analysis of the full-shape of eBOSS quasars (QSO) power spectrum. We validate our analysis pipeline against simulations, and find overall good agreement between…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-18 Théo Simon , Pierre Zhang , Vivian Poulin

The Effective Field Theory of Large-Scale Structure (EFTofLSS) is a formalism that allows us to predict the clustering of Cosmological Large-Scale Structure in the mildly non-linear regime in an accurate and reliable way. After validating…

Cosmology and Nongalactic Astrophysics · Physics 2020-05-20 Guido D'Amico , Jérôme Gleyzes , Nickolas Kokron , Dida Markovic , Leonardo Senatore , Pierre Zhang , Florian Beutler , Héctor Gil-Marín

We assess the robustness of $\Lambda$CDM results from the full-shape analysis of BOSS power spectrum using the one-loop prediction of the Effective Field Theory of Large-Scale Structure (EFTofLSS). The public likelihoods PyBird and CLASS-PT…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-18 Théo Simon , Pierre Zhang , Vivian Poulin , Tristan L. Smith

We analyze the BOSS power spectrum monopole and quadrupole, and the bispectrum monopole and quadrupole data, using the predictions from the Effective Field Theory of Large-Scale Structure (EFTofLSS). Specifically, we use the one loop…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-21 Guido D'Amico , Yaniv Donath , Matthew Lewandowski , Leonardo Senatore , Pierre Zhang

We present cosmological parameter measurements from the effective field theory-based full-shape analysis of the power spectrum of emission line galaxies (ELGs). First, we perform extensive tests on simulations and determine appropriate…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-02 Mikhail M. Ivanov

Analyses of the full shape of BOSS DR12 power spectrum using the one-loop prediction from the Effective Field Theory of Large-Scale Structure (EFTBOSS) have led to new constraints on extensions to the $\Lambda$CDM model, such as Early Dark…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-09 Théo Simon , Pierre Zhang , Vivian Poulin , Tristan L. Smith

Standard full-shape clustering analyses in Fourier space rely on a fixed power spectrum template, defined at the fiducial cosmology used to convert redshifts into distances, and compress the cosmological information into the…

We present the results obtained from the full-shape cosmology analysis of the redshift-space power spectra for 4 galaxy samples of the SDSS-III BOSS DR12 galaxy catalog over $0.2 < z < 0.75$. For the theoretical template, we use an emulator…

Cosmology and Nongalactic Astrophysics · Physics 2022-05-04 Yosuke Kobayashi , Takahiro Nishimichi , Masahiro Takada , Hironao Miyatake

We analyse the BOSS DR12 galaxy power spectrum data jointly with BAO data for three models of dark energy. We use recent measurements using a windowless estimator, and an independent and fast pipeline based on EFTofLSS implemented via the…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-01 Pedro Carrilho , Chiara Moretti , Alkistis Pourtsidou

We perform a multitracer full-shape analysis in Fourier space based on the effective field theory of large-scale structure (EFTofLSS) using the complete Sloan Digital Sky Survey IV (SDSS-IV) extended Baryon Oscillation Spectroscopic Survey…

We constrain the growth index $\gamma$ by performing a full-shape analysis of the power spectrum multipoles measured from the BOSS DR12 data. We adopt a theoretical model based on the Effective Field theory of the Large Scale Structure…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-13 Chiara Moretti , Maria Tsedrik , Pedro Carrilho , Alkistis Pourtsidou

Recent findings from DESI BAO combined with Planck CMB data have set an upper limit on the total neutrino mass of $\sum m_\nu < 0.072\, \text{eV}$ (95% confidence level), ruling out the inverted hierarchy. Indeed, methods that rely on the…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-24 Hernán E. Noriega , Alejandro Aviles

We apply the Effective Field Theory of Large-Scale Structure (EFTofLSS) to analyze cosmological models with clustering quintessence, which allows us to consistently describe the parameter region in which the quintessence equation of state…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-31 Guido D'Amico , Yaniv Donath , Leonardo Senatore , Pierre Zhang

We update cosmological constraints on two decaying dark matter models in light of BOSS-DR12 data analyzed under the Effective Field Theory of Large-Scale Structures (EFTofLSS) formalism, together with Planck, Pantheon and other BOSS…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-10 Théo Simon , Guillermo Franco Abellán , Peizhi Du , Vivian Poulin , Yuhsin Tsai

We study the prediction of the Effective Field Theory of Large Scale Structures (EFTofLSS) for the matter power spectrum at different redshifts. In previous work, we found that the two-loop prediction can match the nonlinear power spectrum…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 Simon Foreman , Leonardo Senatore

We present a novel analysis of the redshift-space power spectrum of galaxies in the SDSS-III BOSS survey. Our methodology improves upon previous analyses by using a theoretical model based on cosmological simulations coupled with a…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-15 Marcos Pellejero Ibáñez , Raul E. Angulo , John A. Peacock
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