The Primordial Lithium Problem

@article{Fields2011ThePL,
  title={The Primordial Lithium Problem},
  author={B. Fields},
  journal={Annual Review of Nuclear and Particle Science},
  year={2011},
  volume={61},
  pages={47-68}
}
  • B. Fields
  • Published 2011
  • Physics
  • Annual Review of Nuclear and Particle Science
Big bang nucleosynthesis (BBN) theory, together with the precise WMAP cosmic baryon density, makes tight predictions for the abundances of the lightest elements. Deuterium and 4He measurements agree well with expectations, but 7Li observations lie below the BBN+WMAP prediction by a factor of three to four. This 4–5-σ mismatch constitutes the so-called cosmic lithium problem; disparate solutions are possible. First, astrophysical systematics in the observations could exist but are increasingly… Expand
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