Table 5.
Predicted constraints on cosmological parameters from the joint Euclid×CMB analysis.
| Model | Ωb, 0 | Ωm, 0 | ns | h | σ8 | ΩDE, 0 | w0 | wa | γ |
|---|---|---|---|---|---|---|---|---|---|
| After combination with CMB lensing | |||||||||
| Flat ΛCDM | 0.025 | 0.0062 | 0.0052 | 0.0036 | 0.0029 | … | … | … | … |
| Non-flat ΛCDM | 0.026 | 0.0062 | 0.0054 | 0.0042 | 0.0032 | 0.0085 | … | … | … |
| Flat w0 waCDM | 0.029 | 0.010 | 0.0055 | 0.0041 | 0.0042 | … | 0.036 | 0.13 | … |
| Non-flat w0 waCDM | 0.030 | 0.011 | 0.0056 | 0.0044 | 0.0046 | 0.0096 | 0.037 | 0.13 | … |
| Flat w0 wa γCDM | 0.038 | 0.015 | 0.0057 | 0.0045 | 0.0049 | … | 0.038 | 0.14 | 0.013 |
| Non-flat w0 wa γCDM | 0.037 | 0.014 | 0.0058 | 0.0046 | 0.0050 | 0.012 | 0.038 | 0.14 | 0.013 |
| Full Euclid×CMB joint analysis | |||||||||
| Flat ΛCDM | 0.0032 | 0.0040 | 0.0020 | 0.0012 | 0.0019 | … | … | … | … |
| Non-flat ΛCDM | 0.0043 | 0.0038 | 0.0024 | 0.0018 | 0.0018 | 0.0022 | … | … | … |
| Flat w0 waCDM | 0.0054 | 0.0053 | 0.0021 | 0.0024 | 0.0022 | … | 0.027 | 0.099 | … |
| Non-flat w0 waCDM | 0.0050 | 0.0049 | 0.0024 | 0.0023 | 0.0019 | 0.0029 | 0.026 | 0.096 | … |
| Flat w0 wa γCDM | 0.0055 | 0.0056 | 0.0021 | 0.0025 | 0.0022 | … | 0.028 | 0.10 | 0.0088 |
| Non-flat w0 waγCDM | 0.0051 | 0.0052 | 0.0024 | 0.0023 | 0.0020 | 0.0031 | 0.027 | 0.10 | 0.0088 |
Notes. We report here the predicted constraints on cosmological parameters from the joint analysis of a pessimistic Euclid survey and SO-like CMB probes (CMB lensing only and full Euclid×CMB combination), expressed as the ratio of marginalised 1σ uncertainties over their corresponding fiducial values (same conventions as Table 4).
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