Numerical reconstruction of the potential slow-roll parameters beyond any slow-roll approximation when the potential is Taylor expanded to nth order, using Planck TT+lowP+BAO.
|ϵ V||< 0.0074||< 0.010|
|r 0.002||< 0.11||< 0.16|
|ΔlnB||...||ΔlnB3 / 2 = −4.3||ΔlnB4 / 3 = −2.9|
Notes. We also show the corresponding bounds on the derived parameters (here ns, dns/ dlnk, and r0.002 are derived from the numerically computed primordial spectra). All error bars are at the 95% CL. The effective χ2 value and Bayesian evidence logarithm (lnB) of model n are given relative to the model of next lowest order (n−1) (assuming flat priors for and in the range [−1,1 ]).
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