Open Access
Table 2
Forecast 1σ marginal errors on the cosmological and model parameters relative to their corresponding fiducial value for JBD1 and JBD2 in the pessimistic, quasi-linear and optimistic cases, using Euclid observations GCsp, WL+XC+GCph and GCsp+WL+XC+GCph.
| JBD1ωBD = 800 | ||||||
|---|---|---|---|---|---|---|
| Ωm,0 | Ωb,0 | log10 ωBD | h | ns | σ8 | |
| Pessimistic setting | ||||||
| GCsp (kmax = 0.15 h Mpc−1) (quasi-linear) | 2.13% | 4.49% | 43.04% | 1.72% | 2.62% | 1.11% |
| GCSp(kmax = 0.25 h Mpc−1) | 1.55% | 2.48% | 29.62% | 1.72% | 1.53% | 0.83% |
| WL+XC+GCph | 0.37% | 5.10% | 10.89% | 3.20% | 1.25% | 0.34% |
| GCSp+WL+XC+GCph | 0.36% | 1.72% | 9.21% | 0.91% | 0.66% | 0.28% |
| Optimistic setting | ||||||
| GCsp(kmax = 0.3 h MpC−1) | 1.49% | 1.21% | 27.13% | 1.41% | 1.33% | 0.77% |
| WL+XC+GCph | 0.27% | 3.43% | 3.55% | 1.69% | 0.52% | 0.11% |
| GCsp+WL+XC+GCph | 0.24% | 1.43% | 3.21% | 0.51% | 0.28% | 0.10% |
| JBD2ωBD = 2500 | ||||||
| Pessimistic setting | ||||||
| GCsp (kmax = 0.15 h Mpc−1) (quasi-linear) | 2.14% | 4.52% | 114.54% | 3.80% | 2.64% | 1.11% |
| GCSp(kmax = 0.25 h Mpc−1) | 1.55% | 2.49% | 78.82% | 1.74% | 1.53% | 0.83% |
| WL+XC+GCph | 0.34% | 5.09% | 17.32% | 3.21% | 1.24% | 0.27% |
| GCsp+WL+XC+GCph | 0.33% | 1.68% | 15.51% | 0.78% | 0.54% | 0.24% |
| Optimistic setting | ||||||
| GCsp(kmax = 0.3 h Mpc−1) | 1.50% | 2.24% | 72.20% | 1.42% | 1.34% | 0.77% |
| WL+XC+GCph | 0.25% | 3.40% | 5.12% | 1.70% | 0.56% | 0.10% |
| GCsp+WL+XC+GCph | 0.22% | 1.42% | 4.56% | 0.50% | 0.28% | 0.09% |
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