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Fig. 9.

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Gravitational convergence angular auto-spectrum in a single shell at z = 0.7 (red) and z = 1.8 (pink) in ΛCDM cosmology assuming the Born approximation. The cross-spectrum between two shells at z = 0.7 and z = 1.8 is shown in green. Left: spectrum from the RAYGAL 2500 deg2 light cone (diamonds with error bars) and spectrum from CLASS (dashed line). Right: relative deviation from the CLASS prediction. Overall, the measured power spectra are in agreement with CLASS predictions within the error bars except at large scales (small ℓ) due to the finite area of the light cone. We also note a shift at the ∼5–10% level at large ℓ and low redshifts, which vanishes at larger redshifts.

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