id author title date pages extension mime words sentence flesch summary cache txt h989r21133w Jacob Long Precision Half-Life Measurements of 13N, 25Al, and 29P for Testing the Standard Model 2020 .txt text/plain 458 17 53 To aid in future measurements of correlation parameters, a new Fermi to Gamow-Teller mixing ratio ρ and correlation parameters for this mixed transition have been calculated assuming Standard Model validity using the new world half-life. This dissertation consists of precision half-life measurements for three superallowed mixed mirror β-decays: 13N, 25Al, and 29P. 13N is the second most sensitive decay to Standard Model violating currents. cache/h989r21133w.txt txt/h989r21133w.txt