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Fig. 12.
Evolution of CMB constraints on parameters describing “late time physics,” specifically the matter density (ωm ≡ Ωmh2), the baryon density (ωb ≡ Ωbh2), the acoustic scale (θ*), the normalization of the (linear theory) matter power spectrum (σ8), the dimensionless Hubble constant (h), and the Thomson optical depth (τ).
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