A claimed first direct measurement of the IGM pressure smoothing scale at z≈4.2–5.0 from a fitted peak in the Lyman-alpha flux power spectrum, tied to an acoustic feature in the peculiar velocity gradient.
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Ringing of the Reionization: A first direct measurement of the intergalactic pressure smoothing scale at redshift z>4.2 as imprinted onto small-scale peculiar velocities in the Lyman-alpha forest
A claimed first direct measurement of the IGM pressure smoothing scale at z≈4.2–5.0 from a fitted peak in the Lyman-alpha flux power spectrum, tied to an acoustic feature in the peculiar velocity gradient.