Table 8.
Numerical reconstruction of the potential parameters beyond any slow-roll approximation, when the potential is Taylor-expanded to nth order, trusted until the end of inflation, and using Planck high-ℓ TT,TE,EE+lowE+lensing+BK15.
| n | 2 | 3 | 4 |
|---|---|---|---|
| 1012V2 |  |
 |
 |
| 1012V3 | ... |  |
 |
| 1012V4 | ... | ... |  |
| τ |  |
 |
 |
| ns | 0.963 |  |
 |
 |
 |
 |
 |
| r0.002 | 0.136 |  |
 |
 |
... |  |
 |
Notes. We also show the corresponding bounds on some related parameters (here ns, dns/dlnk, and r0.002 are derived from the numerically computed primordial spectra). All error bars are at the 68% CL and all upper bounds at the 95% CL. The effective χ2 value of model n is given relative to model n − 1.
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