A 2% determination of $N_{\rm eff}$ from primordial element abundance, cosmic microwave background, and baryon acoustic oscillation measurements

Fuente: arXiv

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Bibliographic Details
Main Authors:	Goldstein, Samuel, Hill, J. Colin
Format:	Preprint
Published:	2026
Subjects:	Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
Online Access:	Acceder al recurso
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Internet

https://arxiv.org/abs/2603.13226