Assessing big bang nucleosynthesis
Aug, 1995
6 pages
Published in:
- Phys.Rev.Lett. 75 (1995) 3981-3984
e-Print:
- astro-ph/9508029 [astro-ph]
Report number:
- FERMILAB-PUB-95-257-A
Citations per year
Abstract: (arXiv)
Systematic uncertainties in the light-element abundances and their evolution make a rigorous statistical assessment difficult. However, using Bayesian methods we show that the following statement is robust: the predicted and measured abundances are consistent with 95\% credibility only if the baryon-to-photon ratio is between and and the number of light neutrino species is less than 3.9. Our analysis suggests that the He abundance may have been systematically underestimated.- light nucleus: production
- production: light nucleus
- baryon: asymmetry
- neutrino: flavor
- astrophysics
- numerical calculations: interpretation of experiments
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