Measuring the baryon content of the universe - INSPIRE

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Measuring the baryon content of the universe : BBN vs CMB

Subir Sarkar
(
- Oxford U.
)

May, 2002

14 pages

Part of Proceedings, XIIIth Rencontres de Blois on Frontiers of the Universe : Blois, France, June 17-23, 2001, 53-63

Contribution to:

13th Rencontres de Blois on Frontiers of the Universe, 53-63

Published: 2004

e-Print:

astro-ph/0205116 [astro-ph]

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Abstract: (arXiv)

The relic abundance of baryons - the only form of stable matter whose existence we are certain of - is a crucial parameter for many cosmological processes, as well as material evidence that there is new physics beyond the Standard Model. We discuss recent determinations of the cosmological baryon density from analysis of the abundances of light elements synthesised at the end of ``the first three minutes'', and from the observed temperature anisotropies imprinted on small angular-scales in the cosmic microwave background when the universe was about 100,000 yr old.

Note:

Published in Frontiers of the Universe. Edited by L. Celnekier and J. Tran Thanh Van, The Gioi Publishers, 2004. pp.53-63

talk: Chateau de Blois 2001/06/17
cosmological model
light nucleus: production
cosmic background radiation
baryon: density
elements
temperature: anisotropy
perturbation: adiabatic
numerical calculations: interpretation of experiments
bibliography

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Figures(0)

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