Precise branching ratio measurements in ${}^{19}$Ne beta decay and fundamental tests of the weak interaction

B. M. Rebeiro, S. Triambak, P. Z. Mabika +25

We used the 8$\pi$ $\gamma$-ray spectrometer at the TRIUMF-ISAC radiocative ion beam facility to obtain high-precision branching ratios for ${}^{19}$Ne ${\beta }^{+}$ decay to excited states in $^{1…