A simulated reconstruction of the 3D band matter power spectrum Pδ(k,χ) (left), galaxy-matter cross-correlation power spectrum Pδg(k,χ) (middle), and galaxy power spectrum Pg(k,χ) (right) utilising the minimum variance estimators in Sect. 2. Shown are the average estimated band powers fmn relative to the fiducial band power spectrum. The shadowed area in the background indicates the 68% confidence region of the lowest redshift bin . The data points denote estimates at higher redshifts. The error regions indicate the 1σ uncertainties of the estimators via Eq. (22), (32), or (40). Data points in blue colour or with asymmetric error bars indicate estimates that are consistent with zero. Note that data points within the same k-bin are slightly shifted with respect to each other along the k-axis for clarity.
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