Keywords:
- 20 ≤ A ≤ 38
- β decay
- Beta decay
- Branching ratios
- CKM unitarity
- Gamma transitions
- Half-lives
- Isospin mixing
- Isospin symmetry breaking
- Kobayashi-Maskawa matrix
- Magneto-optic trap
- Models beyond the standard models
- Nuclear β decay
- Nuclear tests of electroweak models
- Polarization
- Q values
- Superallowed beta decay
- Vud
- Weak interactions in beta decay
- X- and γ-ray spectroscopy
Publications of I. S. Towner sorted by recency
Authors associated with the Cyclotron Institute are , and those associated with Center of Excellence in Nuclear Training And University-based Research (CENTAUR) have a * next to their name.
Intensity of a weak 519-keV $\gamma$ ray following $\beta$ decay of the superallowed emitter $^{34}\mathrm{Ar}$ determined via the $^{33}\mathrm{S}(p,\gamma)^{34}\mathrm{Cl}$ reaction, , , , , , , , , , , , , , , , , and , Phys. Rev. C 102, 045502 (2020) | pub id: 1054 [DOI] [URL] |
Superallowed $0^+\rightarrow0^+$ nuclear $\beta$ decays: 2020 critical survey, with implications for $V_{ud}$ and CKM unitarity, and , Phys. Rev. C 102, 045501 (2020) | pub id: 1053 [DOI] [URL] |
Precise $\beta$ branching-ratio measurement for the $0^+\rightarrow0^+$ superallowed decay of $^{34}\mathrm{Ar}$, , , , , , , , , and , Phys. Rev. C 101, 045501 (2020) | pub id: 997 [DOI] [URL] |
Precise branching ratio measurement for the superallowed $\beta^+$ decay of $^{26}\mathrm{Si}$: Completion of a second mirror pair, , , , , , , , , and , Phys. Rev. C 100, 015503 (2019)
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pub id: 945 [DOI] [URL] |
Nuclear beta decays and CKM unitarity, and , in: 13th Conference on the Intersections of Particle and Nuclear Physics (CIPANP 2018), eConf C18-05-09, Palm Springs, California, USA, pages 63, 2018 | pub id: 861 [URL] |
$|V_\mathrm{ud}|$ from nuclear $\beta$ decays, and , in: 9th International Workshop on the CKM Unitarity Triangle (CKM2016), Proceedings of Science CKM2016, Mumbai, India, pages 028, 2017 | pub id: 675 [URL] |
Testing CVC and CKM unitarity via superallowed nuclear beta decay, and , in: Proceedings of the 5th International Conference on Proton-emitting Nuclei (PROCON2015), Nucl. Phys. Rev. 33, Lanzhou, China, pages 208, 2016 | pub id: 587 [DOI] [URL] |
The $\beta$ Decay of $^{38}\mathrm{Ca}$: Sensitive Test of Isospin Symmetry-Breaking Corrections from Mirror Superallowed $0^+\rightarrow0^+$ Transitions, , , , , , , , , , and , in: Proceedings of the Conference on Advances in Radioactive Isotope Science (ARIS2014), JPS Conf. Proc. 6, Tokyo, Japan, pages 020033, 2015 | pub id: 532 [DOI] [URL] |
The current evaluation of ${V}_{ud}$, and , in: 12th Conference on the Intersections of Particle and Nuclear Physics (CIPANP 2015), eConf C15-05-19, Vail, Colorado, pages 60, 2015 | pub id: 520 [URL] |
Precise measurement of branching ratios in the $\beta$ decay of $^{38}\mathrm{Ca}$, , , , , , , , , , and , Phys. Rev. C 92, 015502 (2015) | pub id: 517 [DOI] [URL] |
Measurement of ${V}_{ud}$ with $0^+\rightarrow0^+$ nuclear beta decays, and , in: 11th International Conference on the Intersections of Particle and Nuclear Physics (CIPANP 2012), AIP Conference Proceedings 1560, St. Petersburg, FL, pages 109-113, 2013 | pub id: 353 [DOI] [URL] |
CKM unitarity normalization tests, present and future, and , Annalen der Physik 525, 443-451 (2013) | pub id: 349 [DOI] |
Testing CVC and CKM Unitarity via superallowed nuclear beta decay, , , , , , , and , in: CGS15 – Capture Gamma-Ray Spectroscopy and Related Topics, EPJ Web of Conferences 93, EDP Sciences, Dresden, Germany, pages 01001, 2015 | pub id: 145 [DOI] [URL] |
The measurement and interpretation of superallowed $0^+\rightarrow0^+$ nuclear $\beta$ decay, and , Journal of Physics G: Nuclear and Particle Physics 41, 114004 (2014) | pub id: 80 [DOI] [URL] |
Superallowed $0^+\rightarrow0^+$ $\beta$-decay from ${T}_{Z}=-1$ $\mathit{sd}$-shell nuclei, and , Journal of Physics: Conference Series 387, pages 012006, 2012 | pub id: 79 [DOI] [URL] |
The evaluation of $V_{ud}$ and its impact on the unitarity of the Cabibbo-Kobayashi-Maskawa quark-mixing matrix, and , Reports on Progress in Physics 73, 046301 (2010) | pub id: 78 [DOI] [URL] |
$\mathcal{F}t$ values measured to $\pm0.1\%$ for superallowed beta transitions: Metrology at sub-second time scales, , , , , , , and , in: Proceedings of the 19th International Conference on Radionuclide Metrology and its Applications, Applied Radiation and Isotopes 87, Antwerp, Belgium, pages 297 - 301, 2014 | pub id: 76 [DOI] [URL] |
$\beta$ Decay of $^{38}\mathrm{Ca}$: Sensitive test of Isospin Symmetry-Breaking Corrections from Mirror Superallowed $0^+\rightarrow0^+$ Transitions, , , , , , , , , , and , Phys. Rev. Lett. 112, 102502 (2014) | pub id: 45 [DOI] [URL] |
Parametrization of the statistical rate function for select superallowed transitions, and , Phys. Rev. C 91, 015501 (2015) | pub id: 44 [DOI] [URL] |
Superallowed $0^+\rightarrow0^+$ nuclear $\beta$ decays: 2014 critical survey, with precise results for ${V}_{ud}$ and CKM unitarity, and , Phys. Rev. C 91, 025501 (2015) | pub id: 43 [DOI] [URL] |
$\beta$ decay of $^{32}\mathrm{Cl}$: Precision $\gamma$-ray spectroscopy and a measurement of isospin-symmetry breaking, *, , , , , , , , , , , and , Phys. Rev. C 85, 025501 (2012) | pub id: 33 [DOI] [URL] |
Experimental Validation of the Largest Calculated Isospin-Symmetry-Breaking Effect in a Superallowed Fermi Decay, *, , , , , , , , , , , and , Phys. Rev. Lett. 107, 182301 (2011) | pub id: 32 [DOI] [URL] |
Superallowed Beta Decay Studies at TRIUMF -- Nuclear Structure and Fundamental Symmetries, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , *, , , , , , , , , , , , , , , , , , and , in: Zakopane Conference on Nuclear Physics, Acta Physica Polonica B 38, Zakopane, Poland, pages 1179-1194, 2007 | pub id: 17 [URL] |
Precision Branching Ratio Measurement for the Superallowed $\beta^+$ Emitter $^{62}\mathrm{Ga}$ and Isospin-Symmetry-Breaking Corrections in ${A}\ge62$ Nuclei, , , , , , , , , , , , , , , , , , , , *, , , , , , , , , and , Phys. Rev. Lett. 97, 102501 (2006) | pub id: 15 [DOI] [URL] |
Measuring isospin mixing in $^{36}\mathrm{Ar}$ using a polarized, neutral atom trap, *, , , , , , , , , , , , , , and , in: 14th International Conference on Electromagnetic Isotope Separators and Techniques Related to their Applications (EMIS14), Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 204, Victoria, BC, Canada, pages 540 - 543, Elsevier Science, 2003 | pub id: 5 [DOI] [URL] |