Table 1.
Overview of cosmological parameters considered in this analysis in terms of mathematical symbol, prior range, and short description (see text for details).
| Parameter | Uniform prior | Definition |
|---|---|---|
| Base params | ||
| ωb ≡ Ωbh2 | [0.0005, 0.1] | Baryon density today |
| ωc ≡ Ωch2 | [0.0001, 0.99] | Cold dark matter density today |
| 100θMC | [0.5, 10.0] | 100 × approximation to r⋆/DA |
| τ | [0.01, 0.8] | Optical depth of reionization |
| ns | [0.9, 1.1] | Scalar index (k0 = 0.05 Mpc−1) |
| ln(1010As) | [2.7, 4.0] | Log (k0 = 0.05 Mpc−1) |
| Extensions | ||
| r | [0, 3] | Tensor-to-scalar ratio |
| Derived params | ||
| ΩΛ | Dark energy density | |
| t0 | Age of the Universe today (in Gyr | |
| Ωm | Matter density | |
| σ8 | RMS matter fluctuation today | |
| zre | Redshift of half re-ionized | |
| H0 | [20, 100] | Expansion rate in Km s−1 Mpc−1 |
| 109As | 109 × power at k0 = 0.05 Mpc−1 | |
| 109Ase−2τ | Scalar power amplitude | |
Notes. The top block lists the base parameters with uniform priors that are directly sampled in the MCMC chains. The lower block contains the main derived parameters.
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