Towards a precision calculation of $N_{\rm eff}$ in the Standard Model IV: Estimating the impact of positronium formation

Fuente: arXiv
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Bibliographic Details
Main Authors: Binder, Tobias, Drewes, Marco, Georis, Yannis, Klasen, Michael, Pierobon, Giovanni, Wong, Yvonne Y. Y.
Format: Preprint
Published: 2024
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