English
Related papers

Related papers: $\nu\Lambda$CDM: Neutrinos help reconcile Planck w…

200 papers

The most recent measurements of the temperature and low-multipole polarization anisotropies of the Cosmic Microwave Background (CMB) from the Planck satellite, when combined with galaxy clustering data from the Baryon Oscillation…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-13 Elena Giusarma , Martina Gerbino , Olga Mena , Sunny Vagnozzi , Shirley Ho , Katherine Freese

If a single sterile neutrino exists such that $m_{\nu_s}\sim11eV$, it can serendipitously solve all outstanding issues of the Modified Newtonian Dynamics. With it one can explain the dark matter of galaxy clusters without influencing…

Astrophysics · Physics 2009-03-17 Garry W. Angus

We study the prospects for detecting neutrino masses from the galaxy angular power spectrum in photometric redshift shells of the Dark Energy Survey (DES) over a volume of 20 (Gpc/h)^3 combined with the Cosmic Microwave Background (CMB)…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Ofer Lahav , Angeliki Kiakotou , Filipe B. Abdalla , Chris Blake

Recently, the emergence of cosmological tension has raised doubts about the consistency of the $\Lambda$CDM model. In order to constrain the neutrino mass within a consistent cosmological framework, we investigate three massive neutrinos…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-13 Ye-Huang Pang , Xue Zhang , Qing-Guo Huang

We present results from the analysis of cosmic microwave background (CMB), large scale structure (galaxy redshift survey) and X-ray galaxy cluster (baryon fraction and X-ray luminosity function) data, assuming a geometrically flat…

Astrophysics · Physics 2009-11-10 S. W. Allen , R. W. Schmidt , S. L. Bridle

Both particle physics experiments and cosmological surveys can constrain the properties of sterile neutrinos, but do so with different parameterizations that naturally use different prior information. We present joint constraints on the…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-29 Alan M. Knee , Dagoberto Contreras , Douglas Scott

Providing accurate predictions for the spatial distribution of matter and luminous tracers in the presence of massive neutrinos is an important task, given the imminent arrival of highly accurate large-scale structure observations. In this…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-04 Matteo Zennaro , Raúl E. Angulo , Giovanni Aricò , Sergio Contreras , Marcos Pellejero-Ibáñez

The abundance of clusters is a classical cosmological probe sensitive to both the geometrical aspects and the growth rate of structures. The abundance of clusters of galaxies measured by Planck has been found to be in tension with the…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-21 A. Blanchard , Z. Sakr , S. IliĆ

We make a consistency test for the general relativity (GR) through measuring the growth index $\gamma$ in a universe with massive (sterile/active) neutrinos. We employ the redshift space distortion measurements to do the analysis. To…

Cosmology and Nongalactic Astrophysics · Physics 2018-03-01 Ming-Ming Zhao , Jing-Fei Zhang , Xin Zhang

Although the MiniBooNE experiment has severely restricted the possible existence of light sterile neutrinos, a few anomalies persist in oscillation data, and the possibility of extra light species contributing as a subdominant hot (or warm)…

Astrophysics · Physics 2010-04-23 Mario A. Acero , Julien Lesgourgues

Relic neutrinos play an important role in the evolution of the Universe, modifying some of the cosmological observables. We summarize the main aspects of cosmological neutrinos and describe how the precision of present cosmological data can…

High Energy Physics - Phenomenology · Physics 2014-06-09 Julien Lesgourgues , Sergio Pastor

The growth of structure in the universe begins at the time of radiation-matter equality, which corresponds to energy scales of $\sim 0.4 eV$. All tracers of dark matter evolution are expected to be sensitive to neutrino masses on this and…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 M. Shimon , S. Sadeh , Y. Rephaeli

The measurements of Cosmic Microwave Background anisotropies made by the Planck satellite provide extremely tight upper bounds on the total neutrino mass scale ($\Sigma m_{\nu}<0.26 eV$ at $95\%$ C.L.). However, as recently discussed in the…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-08 Eleonora Di Valentino , Alessandro Melchiorri

Recent studies have presented evidence for tension between the constraints on Omega_m and sigma_8 from the cosmic microwave background (CMB) and measurements of large-scale structure (LSS). This tension can potentially be resolved by…

Cosmology and Nongalactic Astrophysics · Physics 2018-03-14 Ian G. McCarthy , Simeon Bird , Joop Schaye , Joachim Harnois-Deraps , Andreea S. Font , Ludovic van Waerbeke

From a combination of probes including the cosmic microwave background (WMAP7+SPT), Hubble constant (HST), baryon acoustic oscillations (SDSS+2dFGRS), and supernova distances (Union2), we have explored the extent to which the constraints on…

Cosmology and Nongalactic Astrophysics · Physics 2013-04-30 Shahab Joudaki

Massive neutrinos make up a fraction of the dark matter, but due to their large thermal velocities, cluster significantly less than cold dark matter (CDM) on small scales. An accurate theoretical modelling of their effect during the…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-21 Yacine Ali-Haïmoud , Simeon Bird

We investigate how the properties of dark energy affect the cosmological measurements of neutrino mass and extra relativistic degrees of freedom. We limit ourselves to the most basic extensions of $\Lambda$ cold dark matter (CDM) model,…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-24 Ming-Ming Zhao , Yun-He Li , Jing-Fei Zhang , Xin Zhang

We investigate the cosmological implications of coupling neutrinos to perturbed Rastall gravity, focusing on its impact on the Hubble constant ($H_0$) and the associated tension between early- and late-universe measurements with MCMC and…

General Relativity and Quantum Cosmology · Physics 2025-07-16 Muhammad Yarahmadi

To reconcile the current tensions between high and low redshift observations, we perform the first constraints on the Finslerian cosmological models including the effective dark matter and dark energy components. We find that all the four…

Cosmology and Nongalactic Astrophysics · Physics 2017-09-14 Deng Wang , Xin-He Meng

We present strong bounds on the sum of three active neutrino masses ($\sum m_{\nu}$) in various cosmological models. We use the following baseline datasets: CMB temperature data from Planck 2015, BAO measurements from SDSS-III BOSS DR12,…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-13 Shouvik Roy Choudhury , Sandhya Choubey