Reconstruction of the primordial power spectrum with ns = 0.972, αs = 0.0, and an additional feature around k = 0.03 Mpc-1 shown in green. The 2000 reconstructions are superimposed with their mean shown in orange. The fiducial input spectrum is shown in red. As can be seen, PRISM is able to recover both the position and the amplitude of the feature with great accuracy.
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