Determination of cosmological parameters: an introduction for non-specialists

Details Determination of cosmological parameters: an introduction for non-specialists Determination of cosmological parameters: an introduction for non-specialists

1999-06-22

arxiv.org/abs/hep-ph/9906447v1

Pramana 54:79-91,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, Latex with epsf.sty. Invited talk at the ``Discussion meeting on Recent Developments in Neutrino Physics'', held at

Scientific paper

10.1007/s12043-000-0008-2

I start by defining the cosmological parameters $H_0, \Omega_m$ and $\Omega_\Lambda$. Then I show how the age of the universe depends on them, followed by the evolution of the scale parameter of the universe for various values of the density parameters. Then I define strategies for measuring them, and show the results for the recent determination of these parameters from measurements on supernovas of type 1a. Implications for particle physics is briefly discussed at the end.

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