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astro-ph.CO2026
Big Bang For Your Helium Buck
Marilena Loverde, Murali M. Saravanan, Zachary J. Weiner
We study the implications of a recent measurement of the primordial helium fraction from the Large Binocular Telescope for cosmological inference from the cosmic microwave backgrou…
astro-ph.CO2026
High-redshift physics from the acoustic scale
Zachary J. Weiner
We present a simplified and general description of the high-redshift information in acoustic scale measurements from the cosmic microwave background and large-scale structure. The…