Nuclear Chronometers

Details Nuclear Chronometers Nuclear Chronometers

2001-01-24

arxiv.org/abs/astro-ph/0101438v1

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures. To appear in the Proceedings of ``Cosmic Evolution''

Scientific paper

Observations of metal-poor Galactic halo stars indicate that the abundance
pattern of the (heaviest) neutron-capture elements is consistent with the
scaled solar system r-process abundances. Utilizing the radioactive (r-process)
element thorium, age determinations have been made for several of these same
stars, placing constraints on both Galactic and cosmological age estimates.

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