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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

It is shown that a subelectronvolt upper limit can be derived on the neutrino mass from the CMB data alone in the Lambda CDM model with the power-law adiabatic perturbations, without the aid of any other cosmological data. Assuming the…

Astrophysics · Physics 2016-08-30 Kazuhide Ichikawa , Masataka Fukugita , Masahiro Kawasaki

The Lya forest in quasar spectra probes scales where massive neutrinos can strongly suppress the growth of mass fluctuations. Using hydrodynamic simulations with massive neutrinos, we successfully test techniques developed to measure the…

Astrophysics · Physics 2008-11-26 Rupert A. C. Croft , Wayne Hu , Romeel Dave'

Distortions of Cosmic Microwave Background (CMB) temperature and polarization maps caused by gravitational lensing, observable with high angular resolution and high sensitivity, can be used to measure the neutrino mass. Assuming two…

Astrophysics · Physics 2010-04-22 Manoj Kaplinghat , Lloyd Knox , Yong-Seon Song

We combine the measurements of luminosity dependence of bias with the luminosity dependent weak lensing analysis of dark matter around galaxies to derive the galaxy bias and constrain nonlinear mass and cosmological parameters. We take…

Using some of the latest cosmological datasets publicly available, we derive the strongest bounds in the literature on the sum of the three active neutrino masses, $M_\nu$, within the assumption of a background flat $\Lambda$CDM cosmology.…

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

We revisit cosmological constraints on the sum of the neutrino masses $\Sigma m_\nu$ from a combination of full-shape BOSS galaxy clustering [$P(k)$] data and measurements of the cross-correlation between Planck Cosmic Microwave Background…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-03 Isabelle Tanseri , Steffen Hagstotz , Sunny Vagnozzi , Elena Giusarma , Katherine Freese

Galaxy clusters --- in combination with CMB and BAO data --- can provide precise constraints on the sum of neutrino masses. However, these constraints depend on the calibration of the mass--observable relation. For instance, the mass…

Cosmology and Nongalactic Astrophysics · Physics 2013-03-06 Eduardo Rozo , Eli S. Rykoff , James G. Bartlett , August E. Evrard

With the latest astronomical data including Cosmic Microwave Background (WMAP three year, CBI, ACBAR, VSA), Type Ia Supernova ("gold sample"), Galaxy Clustering (SDSS 3-D matter power, Lyman-$\alpha$ forest and Baryon Acoustic Oscillating…

Astrophysics · Physics 2010-10-27 Gong-Bo Zhao , Jun-Qing Xia , Xinmin Zhang

The observational data on the large scale structure (LSS) of the Universe are used to establish the upper limit on the neutrino content marginalized over all other cosmological parameters within the class of adiabatic inflationary models.…

Astrophysics · Physics 2009-10-31 B. Novosyadlyj , R. Durrer , S. Apunevych

Future large-scale spectroscopic astronomical surveys, e.g. Euclid, will enable the compilation of vast new catalogues of clusters and voids in the galaxy distribution. By combining the constraining power of both cluster and void number…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-29 Martin Sahlén

We explore the effect of massive neutrinos on the weak lensing shear bispectrum using the Cosmological Massive Neutrino Simulations. We find that the primary effect of massive neutrinos is to suppress the amplitude of the bispectrum with…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-05 William R. Coulton , Jia Liu , Mathew S. Madhavacheril , Vanessa Böhm , David N. Spergel

We consider the effect of three species of neutrinos with nearly degenerate mass on the cosmic structure formation in a low matter-density universe within a hierarchical clustering scenario with a flat initial perturbation spectrum. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Masataka Fukugita , Guo-Chin Liu , Naoshi Sugiyama

We use current observations on the number statistics of gravitationally lensed optical arcs towards galaxy clusters to derive an upper limit on the cosmological mass density of the Universe. The gravitational lensing statistics due to…

Astrophysics · Physics 2009-10-31 Asantha R. Cooray

(Abridged) We discuss the reliability of neutrino mass constraints, either active or sterile, from the combination of WMAP 9-year or Planck CMB data with BAO measurements from BOSS DR11, galaxy shear measurements from CFHTLenS, SDSS…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-03 M. Costanzi , B. Sartoris , M. Viel , S. Borgani

Cosmology at present provides the nominally strongest constraint on the masses of standard model neutrinos. However, this constraint extremely dependent on the nature of the dark energy component of the Universe. When the dark energy…

Astrophysics · Physics 2008-11-26 Steen Hannestad

Considering the mass splitting between three active neutrinos, we represent the new constraints on the sum of neutrino mass $\sum m_\nu$ by updating the anisotropic analysis of Baryon Acoustic Oscillation (BAO) scale in the CMASS and LOWZ…

Cosmology and Nongalactic Astrophysics · Physics 2016-09-21 Qing-Guo Huang , Ke Wang , Sai Wang

We combine the most recent observations of large-scale structure (2dF and SDSS galaxy surveys) and cosmic microwave anisotropies (WMAP and ACBAR) to put constraints on flat cosmological models where the number of massive neutrinos and of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Patrick Crotty , Julien Lesgourgues , Sergio Pastor

The absolute neutrino mass scale is currently unknown, but can be constrained from cosmology. The WiggleZ high redshift star-forming blue galaxy sample is less sensitive to systematics from non-linear structure formation, redshift-space…

We aim to constrain mass-varying neutrino models using large scale structure observations and produce forecast for the Euclid survey. We investigate two models with different scalar field potential and both positive and negative coupling…

Cosmology and Nongalactic Astrophysics · Physics 2013-12-20 Giuseppe La Vacca , David F. Mota