DOE OSTI · 3019288
Precision QED Corrections to the Neutron s Lifetime
Abstract
The traditional Fermi function (long-distance radiative contribution) ansatz for nuclear beta decay describes enhanced perturbative effects in the limit of large nuclear charge $Z$ and/or small electron velocity $\beta$. We define and compute the quantum field theory object that replaces this ansatz for neutron beta decay, where neither of these limits hold.
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Cao, Zehua [Kentucky U.], Vander Griend, Peter [Fermilab; Kentucky U.], Hill, Richard James [Kentucky U.; Fermilab], Plestid, Ryan [Caltech]. 2025-08-21. Precision QED Corrections to the Neutron s Lifetime. https://doi.org/10.2172/3019288
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