Table 4.
Comparison of two-sigma (95.4% c.l.) constraints for our three simulated scenarios, assuming that the fiducial model is w0 = −0.95 and ζ = −2.5 ppm and allowing only canonical dark energy models.
| Model | Parameter | σ = 5 ppm | σ = 1 ppm | σ = 0.1 ppm |
|---|---|---|---|---|
| w0 |
 |
 |
 |
|
| β = −0.8 | ζ (ppm) |
 |
 |
−2.6 ± 0.05 |
| β | Unc. | Unc. |
 |
|
| w0 |
 |
 |
 |
|
| β = +0.8 | ζ (ppm) |
 |
 |
−2.7 ± 0.05 |
| β | Unc. |
 |
 |
|
Notes. The first three rows are for freezing models (specifically with β = −0.8) and the last three for thawing models (specifically with β = +0.8). “Unc.” denotes an unconstrained parameter.
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