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Primordial nucleosynthesis - A critical comparison of theory and observation
Abstract
Primordial nucleosynthesis is reexamined in the context of a detailed comparison of theory and observation. A new argument is presented to show how the observed abundances of D and 3He can be used to derive a lower bound to the nucleon density. The authors define a conservative range for the nucleon-to-photon ratio: η = (3 - 10)×10-10. New observations of 7Li are consistent with the abundances of D and 3He and help to define a reasonable range: η = (4 - 7)×10-10. In either of these ranges the predicted and observed abundances of D, 3He, and 7Li are all in concordance. The upper bounds correspond to ΩN ≤ 0.14 - 0.19, and it is concluded that nucleons fail to close the universe by at least a factor of 5 - 7. The authors review the recent observational data on 4He and conclude that there is complete consistency between the predicted abundance of 4He and those of the other light elements.
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Cited by
Primordial nucleosynthesis: theory and observations
Olive, K. A., Steigman, G., & Walker, T. P. (2000) · Physics Reports · doi:10.1016/s0370-1573(00)00031-4 · Cited by 448
Self-citationBig-bang nucleosynthesis enters the precision era
Schramm, D. N., & Turner, M. S. (1998) · Reviews of Modern Physics · doi:10.1103/revmodphys.70.303 · Cited by 353
Self-citationCosmological baryon diffusion and nucleosynthesis
Applegate, J. H., Hogan, C. J., & Scherrer, R. J. (1987) · Physical Review D · doi:10.1103/physrevd.35.1151 · Cited by 246
Introduction to big bang nucleosynthesis and modern cosmology
Mathews, G. J., Kusakabe, M., & Kajino, T. (2017) · International Journal of Modern Physics E · doi:10.1142/s0218301317410014 · Cited by 39
Metadata
- Authors
- Yang, J., Turner, M. S., Schramm, D. N., Steigman, G., & Olive, K. A.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1984-06
- Volume
- 281
- Pages
- 493
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2029175773
- Cited by
- 667
- References
- 0
- FWCI
- 99.05
- Type
- journal article
- Language
- en
- Open access
- closed
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