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Cosmological Parameters 2000

2000/07/31 by Joel R. Primack · 3 citations
Physics and Astronomy · #astro-ph #hep-ph

paper · pdf · doi:10.1016/s0920-5632(00)00624-1

16 pages, including one postscript figure; talk presented at 4th International Symposium on Sources and Detection of Dark Matter in the Universe (DM 2000), Marina del Rey, California, 20-23 Feb 2000. Replaced version has updated text and references

arxiv created 2000/09/13 · arxiv updated 2009/11/30

Abstract

The cosmological parameters that I emphasize are the age of the universe t0, the Hubble parameter H0 ≡ 100 h km s-1 Mpc-1, the average matter density Ωm, the baryonic matter density Ωb, the neutrino density Ων, and the cosmological constant ΩΛ. The evidence currently favors t0 ≈ 13 Gyr, h ≈ 0.65, Ωm ≈ 0.4±0.1, Ωb = 0.02h-2, 0.001 < Ων< 0.1, and ΩΛ≈ 0.7.

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