New shell-model calculations of the $\hat{I}{´}_C$ correction to superallowed $0^{+}\to 0^{+}$ nuclear ${\hat{I}}^2$ decay and standard-model implications

L. Xayavong, N. A. Smirnova, F. Nowacki

Refined calculations of the radial mismatch correction, $\hat{I}{´}_{C2}$, to superallowed $0^{+}\to 0^{+}$ nuclear ${\hat{I}}^2$ decay are performed using the shell model with realistic Woods-S…