output
20202026
most citedMeasurements of polarization and spin correlation and observation of entanglement in top quark pairs using lepton+jets events from proton-proton collisions at = 13 TeV

41 citations

Showing astro-ph.COShow all

18 papers · 1 filter

astro-ph.CO2026★ 1 cited

Euclid. Populating a dark universe with galaxies using SciPIC

Euclid Collaboration, E. J. Gonzalez, J. Carretero +305

High-fidelity galaxy mocks are crucial for validating analysis pipelines and for cosmological inference. In this context, the Science Pipeline at PIC (SciPIC) is a pipeline specifi…

astro-ph.CO2026

Euclid: Improving redshift distribution reconstruction using a deep-to-wide transfer function

Y. Kang, S. Paltani, W. G. Hartley +165

The Euclid mission seeks to understand the Universe expansion history and the nature of dark energy, which requires a very accurate estimate of redshift distribution. Achieving thi…

astro-ph.CO2025★ 1 cited

Euclid preparation: LXXXVII. Non-Gaussianity of 2-point statistics likelihood: Precise analysis of the matter power spectrum distribution

Euclid Collaboration, J. Bel, S. Gouyou Beauchamps +281

We investigate the non-Gaussian features in the distribution of the matter power spectrum multipoles. Using the COVMOS method, we generate 100\,000 mock realisations of dark matter…

astro-ph.CO2025

Euclid preparation: The flat-sky approximation for the clustering of Euclid's photometric galaxies

Euclid Collaboration, W. L. Matthewson, R. Durrer +277

We compare the performance of the flat-sky approximation and Limber approximation for the clustering analysis of the photometric galaxy catalogue of Euclid. We study a 6 bin config…

astro-ph.CO2025★ 1 cited

Euclid: Exploring observational systematics in cluster cosmology -- a comprehensive analysis of cluster counts and clustering

A. Fumagalli, M. Costanzi, T. Castro +168

This study explores the impact of observational and modelling systematic effects on cluster number counts and cluster clustering and provides model prescriptions for their joint an…

astro-ph.CO2025★ 1 cited

Euclid preparation. LXXXV. Toward a DR1 application of higher-order weak lensing statistics

Euclid Collaboration, S. Vinciguerra, F. Bouchè +284

This is the second paper in the HOWLS (higher-order weak lensing statistics) series exploring the usage of non-Gaussian statistics for cosmology inference within Euclid. With respe…

astro-ph.CO2025★ 4 cited

Euclid: Photometric redshift calibration with self-organising maps

W. Roster, A. H. Wright, H. Hildebrandt +173

The Euclid survey aims to trace the evolution of cosmic structures up to redshift 3 and beyond. Its success depends critically on obtaining highly accurate mean redshift…

astro-ph.CO2025★ 3 cited

Euclid: Early Release Observations. A combined strong and weak lensing solution for Abell 2390 beyond its virial radius

J. M. Diego, G. Congedo, R. Gavazzi +183

Euclid is presently mapping the distribution of matter in the Universe in detail via the weak lensing (WL) signature of billions of distant galaxies. The WL signal is most prominen…

astro-ph.CO2025

Euclid: Early Release Observations. Weak gravitational lensing analysis of Abell 2390

T. Schrabback, G. Congedo, R. Gavazzi +196

The Euclid space telescope of the European Space Agency (ESA) is designed to provide sensitive and accurate measurements of weak gravitational lensing distortions over wide areas o…

astro-ph.CO2025★ 5 cited

Euclid preparation. Simulating thousands of Euclid spectroscopic skies

Euclid Collaboration, P. Monaco, G. Parimbelli +303

We present two extensive sets of 3500+1000 simulations of dark matter haloes on the past light cone, and two corresponding sets of simulated (`mock') galaxy catalogues that represe…

astro-ph.CO2025

Euclid preparation. Full-shape modelling of 2-point and 3-point correlation functions in real space

Euclid Collaboration, M. Guidi, A. Veropalumbo +308

We investigate the accuracy and range of validity of the perturbative model for the 2-point (2PCF) and 3-point (3PCF) correlation functions in real space in view of the forthcoming…

astro-ph.CO2025★ 3 cited

Euclid: An emulator for baryonic effects on the matter bispectrum

P. A. Burger, G. Aricò, L. Linke +153

Understanding the impact of baryonic processes such as star formation and active galactic nuclei (AGN) feedback on matter clustering is crucial to ensure precise and unbiased cosmo…

astro-ph.CO2025★ 1 cited

Euclid preparation. LXXXIX. Accurate and precise data-driven angular power spectrum covariances

Euclid Collaboration, K. Naidoo, J. Ruiz-Zapatero +280

We develop techniques for generating accurate and precise internal covariances for measurements of clustering and weak-lensing angular power spectra. These methods have been design…

astro-ph.CO2025★ 10 cited

Euclid Quick Data Release (Q1). First detections from the galaxy cluster workflow

Euclid Collaboration, S. Bhargava, C. Benoist +351

The first survey data release by the Euclid mission covers approximately in the Euclid Deep Fields to the same depth as the Euclid Wide Survey. This paper show…

astro-ph.CO2025★ 1 cited

Euclid Quick Data Release (Q1). LEMON -- Lens Modelling with Neural networks. Automated and fast modelling of Euclid gravitational lenses with a singular isothermal ellipsoid mass profile

Euclid Collaboration, V. Busillo, C. Tortora +312

The Euclid mission aims to survey around 14000 deg^{2} of extragalactic sky, providing around 10^{5} gravitational lens images. Modelling of gravitational lenses is fundamental to…

astro-ph.CO2025

Euclid: Optimising tomographic redshift binning for 32pt power spectrum constraints on dark energy

J. H. W. Wong, M. L. Brown, C. A. J. Duncan +136

We present a simulation-based method to explore the optimum tomographic redshift binning strategy for 3x2pt analyses with Euclid, focusing on the expected configuration of its firs…

astro-ph.CO2024★ 6 cited

Euclid preparation: Determining the weak lensing mass accuracy and precision for galaxy clusters

Euclid Collaboration, L. Ingoglia, M. Sereno +279

We investigate the level of accuracy and precision of cluster weak-lensing (WL) masses measured with the \Euclid data processing pipeline. We use the DEMNUni-Cov -body simulatio…

astro-ph.CO2023★ 2 cited

Euclid: Constraints on f(R) cosmologies from the spectroscopic and photometric primary probes

S. Casas, V. F. Cardone, D. Sapone +126

will provide a powerful compilation of data including spectroscopic redshifts, the angular clustering of galaxies, weak lensing cosmic shear, and the cross-correl…