Weighing Neutrinos with Galaxy Surveys

1997/12/31 by Wayne Hu, Daniel J. Eisenstein, Max Tegmark · 13 citations
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Neutrino Physics Research #Particle physics theoretical and experimental studies #astro-ph #hep-ph #nucl-ex

paper · pdf · doi:10.1103/physrevlett.80.5255

published as Phys.Rev.Lett.80:5255-5258,1998 · 4 pages, Revtex, 3 ps figures included, version accepted by PRL; caveats added about scale-dependent bias; additional color delta m^2 plot available at http://www.sns.ias.edu/~whu

arxiv created 1998/05/26 · openalex publication_date 1998/06/15 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We show that galaxy redshift surveys sensitively probe the neutrino mass, with eV mass neutrinos suppressing power by a factor of 2. The Sloan Digital Sky Survey can potentially detect N nearly degenerate massive neutrino species with mass m_\ensuremathν\ensuremath\gtrsim0.65(\ensuremathΩ_mh²/0.1N)^0.8\phantom\rule0ex0exeV at better than 2\ensuremathσ once microwave background experiments measure two other cosmological parameters. Significant overlap exists between this region and that implied by the Liquid Scintillator Neutrino Detector experiment, and even m_\ensuremathν\ensuremath∼0.01--0.1eV, as implied by the atmospheric anomaly, can affect cosmological measurements.

Citations

• Eulerian bias and the galaxy density field

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