Primordial nucleosynthesis redux

@article{Walker1991PrimordialNR,
  title={Primordial nucleosynthesis redux},
  author={Terry P. Walker and Terry P. Walker and Gary Steigman and David N. Schramm and Keith A. Olive and Ho-Shik Kang},
  journal={The Astrophysical Journal},
  year={1991},
  volume={376},
  pages={51-69}
}
The abundances of D, He-3, He-4, and Li-7, are presently recalculated within the framework of primordial nucleosynthesis in the standard hot big band model, in order to estimate the primordial abundances of the light elements. A comparison between theory and experiment demonstrates the consistency of standard model predictions; the baryon density parameter is constrained on the basis of a nucleon-to-photon ratio of 2.8-4.0. These bounds imply that the bulk of the baryons in the universe are… 
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  • G. Steigman
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    Proceedings of the National Academy of Sciences of the United States of America
  • 1993
TLDR
Increased accuracy in the estimate of primordial 4He and observations of Be and B in Pop II stars are offering new challenges to the standard model and suggest that no new light particles may be allowed.
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Abundances of light nuclei formed during primordial nucleosynthesis are predicted by Standard Big Bang Model. The latest data from WMAP, with precision's higher than ever before, provides a
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