The primordial helium abundance and the age of the universe

Details The primordial helium abundance and the age of the universe The primordial helium abundance and the age of the universe

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983prhe.work...43s&link_type=abstract

IN: ESO Workshop on Primordial Helium, Garching, West Germany, February 2, 3, 1983, Proceedings (A83-50030 24-90). Garching, Wes

Mathematics

Logic

1

Abundance, Big Bang Cosmology, Chronology, Helium, Universe, Globular Clusters, Nuclear Fusion, Stellar Evolution

Scientific paper

The value of the primordial helium abundance as a constraint on the age of the universe is discussed emphasizing the age of the oldest stars as an estimate of the age of the universe. The primary uncertainty in the globular cluster technique is that of the starting helium abundance. Investigations of this abundance are reviewed, and the consistency of the resulting findings with the age determinations obtained by cosmological dynamics and big bang nucleosynthesis studies is discussed. It is concluded that the age of the universe is probably between 8 and 19 billion years, and that the best fit age consistency determined by a combination of all techniques is about 15 billion years.

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