A Pop III.1-driven early ionization phase at z=20 yields τ=0.087 consistent with pkSZ and Lyα constraints, potentially resolving BAO-CMB tensions on neutrino mass.
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kSZ angular power spectra separate early and late reionisation histories consistent with Planck constraints, with a future measurement at ℓ~2000 sufficient to discriminate and CMB data alone yielding 7.94<z_re<8.17.
Lensing amplitude A_L deviates from 1 at up to 3.06 sigma in combined datasets while other phenomenological amplitudes remain consistent with Lambda CDM or are poorly constrained.
citing papers explorer
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Fireworks at Cosmic Dawn: relieving BAO-CMB tensions with the Pop III.1 Flash
A Pop III.1-driven early ionization phase at z=20 yields τ=0.087 consistent with pkSZ and Lyα constraints, potentially resolving BAO-CMB tensions on neutrino mass.
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Discriminating Planck Reionisation Histories with the kSZ Effect
kSZ angular power spectra separate early and late reionisation histories consistent with Planck constraints, with a future measurement at ℓ~2000 sufficient to discriminate and CMB data alone yielding 7.94<z_re<8.17.
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Constraints on Phenomenological Amplitudes of CMB Anisotropy with Multi-Datasets
Lensing amplitude A_L deviates from 1 at up to 3.06 sigma in combined datasets while other phenomenological amplitudes remain consistent with Lambda CDM or are poorly constrained.