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Related papers: Neutrino Properties and the Cosmological Tensions …

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Neutrinos can play an important role in the evolution of the Universe, modifying some of the cosmological observables. In this contribution we summarize the main aspects of cosmological relic neutrinos and we describe how the precision of…

High Energy Physics - Phenomenology · Physics 2012-12-27 Julien Lesgourgues , Sergio Pastor

Neutrino oscillations present the only robust example of experimentally detected physics beyond the standard model. This review discusses the established and several hypothetical beyond standard models neutrino characteristics and their…

Cosmology and Nongalactic Astrophysics · Physics 2014-07-08 Daniela Kirilova

We use the latest Planck constraints, and in particular constraints on the derived parameters (Hubble constant and age of the Universe) for the local universe and compare them with local measurements of the same quantities. We propose a way…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-01 Licia Verde , Pavlos Protopapas , Raul Jimenez

Assuming a minimal $\Lambda$CDM cosmology with three massive neutrinos, the joint analysis of Planck cosmic microwave background data, DESI baryon acoustic oscillations, and distance moduli measurements of Type Ia supernovae from the…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-02 William Giarè , Olga Mena , Enrico Specogna , Eleonora Di Valentino

I review the basics of neutrino cosmology, from the question of neutrino decoupling and the presence of sterile neutrinos to the effects of neutrinos on the cosmic microwave background and large scale structure. Particular emphasis is put…

Astrophysics · Physics 2009-11-13 Steen Hannestad

The simplest cosmological model ($\Lambda$CDM) is well-known to suffer from the Hubble tension, namely an almost $5 \sigma$ discrepancy between the (model-based) early-time determination of the Hubble constant $H_0$ and its late-time (and…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-06 Darshan Kumar , Debajyoti Choudhury , Debottam Nandi

We illustrate how recently improved low-redshift cosmological measurements can tighten constraints on neutrino properties. In particular we examine the impact of the assumed cosmological model on the constraints. We first consider the new…

Cosmology and Nongalactic Astrophysics · Physics 2010-12-14 Beth A. Reid , Licia Verde , Raul Jimenez , Olga Mena

The current Hubble constant tension is usually presented by comparing constraints on $H_0$ only. However, the post-recombination background cosmic evolution is determined by two parameters in the standard $\Lambda$CDM model, the Hubble…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-09 Weikang Lin , Katherine J. Mack , Liqiang Hou

I give an overview of the effects of neutrino masses in cosmology, focussing on the role they play in the evolution of cosmological perturbations. I discuss how recent observations of the cosmic microwave background anisotropies and the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Yvonne Y. Y. Wong

We briefly review the recent results of constraining neutrino mass in dynamical dark energy models using cosmological observations and summarize the findings. (i) In dynamical dark energy models, compared to $\Lambda$CDM, the upper limit of…

Cosmology and Nongalactic Astrophysics · Physics 2017-04-19 Xin Zhang

The bounds on neutrino masses and mixing that follows from the data on light element abundances, large scale structure formation, and angular fluctuations of cosmic microwave background radiation are analyzed. The role of neutrino…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. D. Dolgov

Cosmological implications of neutrinos are reviewed. The following subjects are discussed at a different level of scrutiny: cosmological limits on neutrino mass, neutrinos and primordial nucleosynthesis, cosmological constraints on unstable…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. D. Dolgov

Combining cosmic microwave background (CMB) data from Planck satellite data, Baryon Acoustic Oscillations (BAO) measurements and Type Ia supernovae (SNe Ia) data, we obtain the bounds on total neutrino masses $M_\nu$ with the approximation…

Cosmology and Nongalactic Astrophysics · Physics 2020-10-19 Zhenjie Liu , Haitao Miao

The topics discussed in this lecture include: general properties of neutrinos in the SM, the theory of neutrino masses and mixings (Dirac and Majorana), neutrino oscillations both in vacuum and in matter, an overview of the experimental…

High Energy Physics - Phenomenology · Physics 2010-10-21 P. Hernandez

We explore how local, cosmology-independent measurements of the Hubble constant and the age of the Universe help to provide a powerful consistency check of the currently favored cosmological model (flat LambdaCDM) and model-independent…

Cosmology and Nongalactic Astrophysics · Physics 2013-03-25 Licia Verde , Raul Jimenez , Stephen Feeney

The effects of mass-varying neutrinos on cosmic microwave background (CMB) anisotropies and large scale structures (LSS) are studied. In these models, dark energy and neutrinos are coupled such that the neutrino masses are functions of the…

Astrophysics · Physics 2014-10-13 A. W. Brookfield , C. van de Bruck , D. F. Mota , D. Tocchini-Valentini

Cosmological and astrophysical measurements provide powerful constraints on neutrino masses complementary to those from accelerators and reactors. Here we provide a guide to these different probes, for each explaining its physical basis,…

We discuss constraints on the effective number of neutrino species Nnu from recent cosmological observations such as CMB, LSS, BBN, including our own analysis which uses the WMAP and the Luminous Red Galaxy power spectrum data. We also…

Astrophysics · Physics 2007-06-26 Kazuhide Ichikawa

Minimal dark energy models, described by the same number of free parameters of the standard cosmological model with cold dark matter plus a cosmological constant to parameterize the dark energy component, constitute very appealing scenarios…

Cosmology and Nongalactic Astrophysics · Physics 2022-05-25 Eleonora Di Valentino , Stefano Gariazzo , Carlo Giunti , Olga Mena , Supriya Pan , Weiqiang Yang

A simple and minimal extension of the standard cosmological $\Lambda$CDM model in which dark matter experiences an additional long-range scalar interaction is demonstrated to alleviate the long lasting Hubble-tension while letting…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-08 Cyril Pitrou , Jean-Philippe Uzan