Coulomb corrections to superallowed beta decay in nuclei
N.Auerbach
TL;DR
This paper presents a systematic and transparent perturbative approach to calculating Coulomb corrections in superallowed beta decay, explicitly expressing corrections as a function of nuclear mass number A.
Contribution
It introduces a unified, consistent method using the isovector monopole resonance to evaluate Coulomb corrections without separating contributions.
Findings
Explicit Coulomb correction formulas as a function of A
A more transparent and systematic calculation method
Improved understanding of Coulomb effects in beta decay
Abstract
Corrections to the superallowed beta decay matrix elements are evaluated in perturbation theory using the notion of the isovector monopole resonance. The calculation avoids the separation into different contributions and thus presents a consistent, systematic and more transparent approach. Explicit expressions for the Coulomb correction as a function of mass number A, are given.
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