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Coulomb corrections to superallowed<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>β</mml:mi></mml:mrow></mml:math>decay in nuclei

Coulomb corrections to superallowed<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>β</mml:mi></mml:mrow></mml:math>decay in nuclei

Corrections to the superallowed $\ensuremath{\beta}$ 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 ${\ensuremath{\delta}}_{c}$ as a function of the mass number$A$ …