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Table 2:

Summary of $r_{\rm GI}$ for different values of zi and the three survey models.

Survey
zi $\sigma _{\rm opt}$ $r_{\rm GI}$(auto) $r_{\rm GI}$(mid) $r_{\rm GI}$(far) $r_{\rm GI}$(boost)
S 0.53 0.055 0.04 0.47 0.56 78.26
  0.76 0.085 0.02 0.25 0.32 415.79
  0.96 0.095 0.01 0.16 0.22 62.10
P1 0.53 0.055 0.12 0.46 0.54 13.56
  0.76 0.085 0.06 0.24 0.31 20.49
  0.96 0.095 0.04 0.16 0.21 25.86
P2 0.52 0.045 0.19 0.47 0.55 5.97
  0.74 0.050 0.10 0.26 0.32 7.75
  0.98 0.055 0.06 0.15 0.20 11.63

Notes. Given are values of $r_{\rm GI}$ of the original power spectra for the auto-correlation (``auto''), the cross-correlation between bin i and the background bin with index (i+Nz)/2 (``mid''), and the cross-correlation between bin i and the most distant bin with index Nz at $z \lesssim 2$ (``far''). The tag ``boost'' stands for the transformed signals. In addition $\sigma _{\rm opt}$ is listed for every considered case.


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