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Table 3.
Two-sigma (95.4% confidence level) constraints on Δα/α for the two specific models considered according to the various choices of primordial abundances used in the analysis.
| Abundances | Unification | Dilaton |
|---|---|---|
| 4He+D+7Li | 12.5 ± 2.9 ppm | 19.9 ± 4.5 ppm |
| 4He+D+3He | 4.6 ± 3.8 ppm | 5.8 ± 6.5 ppm |
| All four | 12.5 ± 2.9 ppm | 19.5 ± 4.5 ppm |
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