The DOI matches its Crossref record; 85 of the 85 references it cites were found in a registry or an index.
Updated nucleosynthesis constraints on unstable relic particles
Open accessAbstract
We reexamine the upper limits on the abundance of unstable massive relic particles provided by the success of big-bang nucleosynthesis calculations. We use the cosmic microwave background data to constrain the baryon-to-photon ratio, and incorporate an extensively updated compilation of cross sections into a new calculation of the network of reactions induced by electromagnetic showers that create and destroy the light elements deuterium, ${}^{3}$He, ${}^{4}$He, ${}^{6}$Li and ${}^{7}$Li. We derive analytic approximations that complement and check the full numerical calculations. Considerations of the abundances of ${}^{4}$He and ${}^{6}$Li exclude exceptional regions of parameter space that would otherwise have been permitted by deuterium alone. We illustrate our results by applying them to massive gravitinos. If they weigh $\ensuremath{\sim}100\mathrm{GeV},$ their primordial abundance should have been below about ${10}^{\ensuremath{-}13}$ of the total entropy. This would imply an upper limit on the reheating temperature of a few times ${10}^{7}\mathrm{GeV},$ which could be a potential difficulty for some models of inflation. We discuss possible ways of evading this problem.
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Particle dark matter: evidence, candidates and constraints
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Axions and the strongCPproblem
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Abundance Variations within Globular Clusters
Gratton, R., Sneden, C., & Carretta, E. (2004) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev.astro.42.053102.133945 · Cited by 885
Towards a complete theory of thermal leptogenesis in the SM and MSSM
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Aspects of Split Supersymmetry
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Metadata
- Authors
- Cyburt, R. H., Ellis, J., Fields, B. D., & Olive, K. A.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2003-05-30
- Volume
- 67
- Issue
- 10
- ISSN
- 0556-2821 (ISSN-L)
- 1089-4918
- OpenAlex
- W2116172336
- Cited by
- 375
- References
- 85
- FWCI
- 16.82
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Cyburt, R. H., Ellis, J., Fields, B. D., & Olive, K. A. (2003). Updated nucleosynthesis constraints on unstable relic particles. Physical Review D. https://doi.org/10.1103/physrevd.67.103521
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