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astro-ph.CO2026
What could an emerging Big Bang Nucleosynthesis discrepancy be hinting at?
Vivian Poulin, Julien Froustey, Cyril Pitrou +1
The latest measurement of the primordial deuterium abundance is in tension with several state-of-the-art predictions of standard Big Bang nucleosynthesis (BBN), when usin…
astro-ph.CO2026
The Status of Gravitational Vector Perturbations with Recent CMB Data
Ali Rida Khalife, Cyril Pitrou
We present new constraints on gravitational vector perturbations (-modes) using Cosmic Microwave Background (CMB) data, including temperature and -mode polarization…