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Related papers: Accurately Weighing Neutrinos with Cosmological Su…

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Future Cosmic Microwave Background experiments together with upcoming galaxy and 21-cm surveys will provide extremely accurate measurements of different cosmological observables located at different epochs of the cosmic history. The new…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-08 Maria Archidiacono , Thejs Brinckmann , Julien Lesgourgues , Vivian Poulin

Measuring the absolute scale of the neutrino masses is one of the most exciting opportunities available with near-term cosmological datasets. Two quantities that are sensitive to neutrino mass, scale-dependent halo bias $b(k)$ and the…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-01 Marilena LoVerde

We study the impact of assumptions made about the neutrino mass ordering on cosmological parameter estimation with the purpose of understanding whether in the future it will be possible to infer the specific neutrino mass distribution from…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-15 Maria Archidiacono , Steen Hannestad , Julien Lesgourgues

The increasing statistical precision of photometric redshift surveys requires improved accuracy of theoretical predictions for large-scale structure observables to obtain unbiased cosmological constraints. In $\Lambda$CDM cosmologies,…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-21 P. Rogozenski , E. Krause , V. Miranda

The combination of current large scale structure and cosmic microwave background (CMB) anisotropies data can place strong constraints on the sum of the neutrino masses. Here we show that future cosmic shear experiments, in combination with…

Cosmology and Nongalactic Astrophysics · Physics 2009-12-30 Francesco De Bernardis , Thomas D. Kitching , Alan Heavens , Alessandro Melchiorri

Future cosmological measurements should enable the sum of neutrino masses to be determined indirectly through their effects on the expansion rate of the Universe and the clustering of matter. We consider prospects for the gravitationally…

Cosmology and Nongalactic Astrophysics · Physics 2015-12-30 Rupert Allison , Paul Caucal , Erminia Calabrese , Joanna Dunkley , Thibaut Louis

Cosmological data probe massive neutrinos via their effects on the geometry of the Universe and the growth of structure, both of which are degenerate with the late-time expansion history. We clarify the nature of these degeneracies and the…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-20 Marilena Loverde , Zachary J. Weiner

Measuring the total neutrino mass is one of the most exciting opportunities available with next-generation cosmological data sets. We study the possibility of detecting the total neutrino mass using large-scale clustering in 21cm intensity…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-19 Mario Ballardini , Roy Maartens

We have carefully analysed the potential of future Cosmic Microwave Background (CMB) and Large Scale Structure (LSS) measurements to probe neutrino masses. We perform a Fisher matrix analysis on a 9-dimensional cosmological parameter space…

Astrophysics · Physics 2009-11-07 Steen Hannestad

We present forecasts for the accuracy of determining the parameters of a minimal cosmological model and the total neutrino mass based on combined mock data for a future Euclid-like galaxy survey and Planck. We consider two different galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Benjamin Audren , Julien Lesgourgues , Simeon Bird , Martin G. Haehnelt , Matteo Viel

We investigate how much the constraints on the neutrino properties can be improved by combining the CMB, the photometric and spectroscopic galaxy redshift surveys which include the CMB lensing, galaxy lensing tomography, galaxy clustering…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Yoshitaka Takeuchi , Kenji Kadota

Current measurements of the large-scale structure of galaxies are able to place an $\sim 0.5 ~ \rm eV$ upper limit on the absolute mass scale of neutrinos. An order-of-magnitude improvement in raw sensitivity, together with an insensitivity…

Astrophysics · Physics 2009-11-13 F. B. Abdalla , S. Rawlings

We investigate whether cosmological data suggest the need for massive neutrinos. We employ galaxy power spectrum measurements from the Sloan Digital Sky Survey (SDSS) and the Two Degree Field Galaxy Redshift Survey (2dFGRS), along with…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Barger , Danny Marfatia , Adam Tregre

Recent constrains on the sum of neutrino masses inferred by analyzing cosmological data, show that detecting a non-zero neutrino mass is within reach of forthcoming cosmological surveys, implying a direct determination of the absolute…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-15 Raul Jimenez , Carlos Pena-Garay , Licia Verde

We thoroughly explore the cosmic gravitational focusing of cosmic neutrino fluid (C$\nu$F) by dark matter (DM) halo using both general relativity for a point source of gravitational potential and Boltzmann equations for continuous…

High Energy Physics - Phenomenology · Physics 2024-07-08 Shao-Feng Ge , Pedro Pasquini , Liang Tan

Cosmological measurements over the next decade will enable us to shed light on the content and evolution of the Universe. Complementary measurements of the Cosmic Microwave Background (CMB) and Baryon Acoustic Oscillations are expected to…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-10 Siddharth Mishra-Sharma , David Alonso , Joanna Dunkley

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

We examine the importance of baryonic feedback effects on the matter power spectrum on small scales, and the implications for the precise measurement of neutrino masses through gravitational weak lensing. Planned large galaxy surveys such…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-24 Aravind Natarajan , Andrew R. Zentner , Nicholas Battaglia , Hy Trac

With the advent of next-generation surveys, constraints on cosmological parameters are anticipated to become more stringent, particularly for the total neutrino mass. This study forecasts such constraints utilizing galaxy clusters from the…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-24 Mingjing Chen , Yufei Zhang , Wenjuan Fang , Zhonglue Wen , Weiguang Cui
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