output
19922026
Showing 2020 · astro-ph.COShow all

18 papers · 2 filters

astro-ph.CO2020★ 80 cited

AMICO galaxy clusters in KiDS-DR3: cosmological constraints from counts and stacked weak-lensing

G. F. Lesci, F. Marulli, L. Moscardini +13

We present a cosmological analysis of abundances and stacked weak-lensing profiles of galaxy clusters, exploiting the AMICO KiDS-DR3 catalogue. The sample consists of 3652 galaxy c…

astro-ph.CO2020★ 97 cited

Primordial Deuterium after LUNA: concordances and error budget

Ofelia Pisanti, Gianpiero Mangano, Gennaro Miele +1

The accurate evaluation of the nuclear reaction rates and corresponding uncertainties is an essential requisite for a precise determination of light nuclide primordial abundances.…

astro-ph.CO2020★ 53 cited

Euclid: impact of nonlinear prescriptions on cosmological parameter estimation from weak lensing cosmic shear

M. Martinelli, I. Tutusaus, M. Archidiacono +91

Upcoming surveys will map the growth of large-scale structure with unprecented precision, improving our understanding of the dark sector of the Universe. Unfortunately, much of the…

astro-ph.CO2020★ 166 cited

Euclid preparation: IX. EuclidEmulator2 -- Power spectrum emulation with massive neutrinos and self-consistent dark energy perturbations

Euclid Collaboration, M. Knabenhans, J. Stadel +131

We present a new, updated version of the EuclidEmulator (called EuclidEmulator2), a fast and accurate predictor for the nonlinear correction of the matter power spectrum. Percent-l…

astro-ph.CO2020★ 87 cited

Cosmology Intertwined IV: The Age of the Universe and its Curvature

Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +88

A precise measurement of the curvature of the Universe is of primeval importance for cosmology since it could not only confirm the paradigm of primordial inflation but also help in…

astro-ph.CO2020★ 454 cited

Cosmology Intertwined III: and

Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +89

The standard Cold Dark Matter cosmological model provides a wonderful fit to current cosmological data, but a few tensions and anomalies became statistically significant with t…

astro-ph.CO2020★ 540 cited

Cosmology Intertwined II: The Hubble Constant Tension

Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +90

The current cosmological probes have provided a fantastic confirmation of the standard Cold Dark Matter cosmological model, that has been constrained with unprecedented accurac…

astro-ph.CO2020★ 83 cited

Cosmology Intertwined I: Perspectives for the Next Decade

Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +89

The standard Cold Dark Matter cosmological model provides an amazing description of a wide range of astrophysical and astronomical data. However, there are a few big open quest…

astro-ph.CO2020★ 119 cited

The miniJPAS survey: a preview of the Universe in 56 colours

S. Bonoli, A. Marín-Franch, J. Varela +166

The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) will soon start to scan thousands of square degrees of the northern extragalactic sky with a unique…

astro-ph.CO2020★ 76 cited

Euclid: Forecast constraints on the cosmic distance duality relation with complementary external probes

M. Martinelli, C. J. A. P. Martins, S. Nesseris +82

In metric theories of gravity with photon number conservation, the luminosity and angular diameter distances are related via the Etherington relation, also known as the distance-du…

astro-ph.CO2020★ 14 cited

Brane inflation and the robustness of the Starobinsky inflationary model

S. Santos da Costa, M. Benetti, R. M. P. Neves +3

The first inflationary model conceived was the one proposed by Starobinsky which includes an additional term quadratic in the Ricci-scalar R in the Einstein-Hilbert action. The mod…

astro-ph.CO2020★ 66 cited

Updating constraints on f(T) teleparallel cosmology and the consistency with Big Bang Nucleosynthesis

Micol Benetti, Salvatore Capozziello, Gaetano Lambiase

We focus on viable teleparallel cosmological models, namely power law, exponential and square-root exponential, carrying out a detailed study of their evolution at all scale…

astro-ph.CO2020★ 27 cited

Cosmological constraints on Hořava gravity revised in light of GW170817 and GRB170817A and the degeneracy with massive neutrinos

Noemi Frusciante, Micol Benetti

We revise the cosmological bounds on Hořava gravity taking into accounts the stringent constraint on the speed of propagation of gravitational waves from GW170817 and GRB170817A. I…

astro-ph.CO2020★ 44 cited

Constraints on dark matter-nucleon effective couplings in the presence of kinematically distinct halo substructures using the DEAP-3600 detector

P. Adhikari, R. Ajaj, C. E. Bina +81

DEAP-3600 is a single-phase liquid argon detector aiming to directly detect Weakly Interacting Massive Particles (WIMPs), located at SNOLAB (Sudbury, Canada). After analyzing data…

astro-ph.CO2020★ 53 cited

Euclid: The importance of galaxy clustering and weak lensing cross-correlations within the photometric Euclid survey

I. Tutusaus, M. Martinelli, V. F. Cardone +87

The data from the Euclid mission will enable the measurement of the photometric redshifts, angular positions, and weak lensing shapes for over a billion galaxies. This large datase…

astro-ph.CO2020★ 171 cited

High-redshift cosmography: auxiliary variables versus Padé polynomials

Salvatore Capozziello, Rocco D'Agostino, Orlando Luongo

Cosmography becomes non-predictive when cosmic data span beyond the red shift limit . This leads to a \emph{strong convergence issue} that jeopardizes its viability. In…

astro-ph.CO2020★ 81 cited

Measurements of in modified gravity theories: The role of lensed quasars in the late-time Universe

Rocco D'Agostino, Rafael C. Nunes

In this work, we obtain measurements of the Hubble constant in the context of modified gravity theories. We set up our theoretical framework by considering viable cosmological $f(R…

astro-ph.CO2020★ 17 cited

Probing the Seesaw Mechanism with Cosmological Data

J. G. Rodrigues, Micol Benetti, Marcela Campista +1

We investigate cosmological consequences of an inflationary model which incorporates a generic seesaw extension (types I and II) of the Standard Model of Particle Physics. A non-mi…