Testing Cosmology with Big Bang Nucleosynthesis

Details Testing Cosmology with Big Bang Nucleosynthesis Testing Cosmology with Big Bang Nucleosynthesis

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.2105f&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #21.05; Bulletin of the American Astronomical Society, Vol. 33, p.816

Astronomy and Astrophysics

Astrophysics

Scientific paper

The big bang nucleosynthesis (BBN) prediction of the cosmic baryon density will soon be strongly and independently tested by measurement of anisotropies in the cosmic microwave background (CMB). In anticipation of this test, it is crucial that the BBN predictions be made as accurate as possible. We discuss recent efforts to refine the BBN theoretical error budget, as well as the observational determination of the the primordial lithium abundance. Finally, presuming the the CMB and BBN measures of the baryon density are in agreement, we illustrate the power of combining the two to constrain astrophysics and particle physics. The work of K.A.O. was supported in part by DoE grant DE-FG02-94ER-40823 at the University of Minnesota.

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