Keywords:
- 119Sn
- 198Au
- 20 ≤ A ≤ 38
- 4π gas proportional counter
- 6 ≤ A ≤ 19
- Analysis
- Atomic masses
- β decay
- Beta decay
- Beta-decay spectra
- Branching ratios
- CKM unitarity
- Correlations
- Data evaluation
- Dead time
- Digital β counting
- Digital signal processing
- Electroweak interactions in nuclear physics
- Event-by-event
- Extending dead-time
- Gamma transitions
- Half-life
- Half-lives
- High-precision half-life measurement
- High-speed digitizer
- Internal conversion measurements
- Isospin symmetry breaking
- Kobayashi-Maskawa matrix
- Least-squares method
- Lifetimes
- Live-time fraction
- M4 transition
- Maximum likelihood
- Models beyond the standard models
- Nuclear binding energy
- Nuclear data
- Nuclear tests of electroweak models
- Nuclear tests of fundamental interactions
- Precision measurements
- Publisher's note
- Q values
- Sum-fit
- Superallowed beta decay
- Test theory
- Time dependence
- Time interval
- Vud
- Weak interactions in beta decay
- X- and γ-ray spectroscopy
Publications of J. C. Hardy
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.
2024
| Precise measurements of the $\gamma$-ray intensities following the $\beta$ decay of $^{144}\mathrm{Ce}$ and $^{147}\mathrm{Nd}$, , , , , , , , , , , , , *, , , , , , and , Phys. Rev. C 110, 024307 (2024) | pub id: 1381 [DOI] [URL] |
2021
| New approach to precisely measure $\gamma$-ray intensities for long-lived fission products, with results for the decay of $^{95}$Zr, , , , , , , , , , , , , , , , , , , , , and , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1000, 165240 (2021) | pub id: 1099 [DOI] [URL] |
2020
| $K$-shell internal conversion coefficient for $M4$ decay of the 30.8 keV isomer in $^{93}\mathrm{Nb}$, , , , , , and , Phys. Rev. C 102, 014310 (2020) |
pub id: 1039 [DOI] [URL]
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| 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] |
| New precise half-life measurement for the superallowed $\beta^+$ emitter $^{34}\mathrm{Ar}$, , , , , , , , and , Phys. Rev. C 101, 015504 (2020) | pub id: 977 [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] |
| 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] |
2019
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] |
2018
| High-precision half-life measurement of the $\beta^+$ decay of $^{21}\mathrm{Na}$, , , , , , , , and *, Phys. Rev. C 98, 015502 (2018) | pub id: 826 [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] |
| Precise half-life measurement of the superallowed emitter $^{30}\mathrm{S}$, , , , , , , , and , Phys. Rev. C 97, 035501 (2018) | pub id: 812 [DOI] [URL] |
| Precise measurement of $\alpha_K$ and $\alpha_T$ for the 39.8-keV $E3$ transition in $^{103}\mathrm{Rh}$: Test of internal-conversion theory, , , , , , , , , , , and , Phys. Rev. C 98, 054321 (2018) | pub id: 863 [DOI] [URL] |
| Precise test of internal-conversion theory: $\alpha_K$ measurements for transitions in nine nuclei spanning $45\leq Z\leq78$, , , and , Applied Radiation and Isotopes 134, 406--409 (2018) | pub id: 783 [DOI] [URL] |
2017
$Q_{\mathrm{EC}}$ value of the superallowed $\beta$ emitter $^{42}\mathrm{Sc}$, , , , , , , , , , , , , , , , , and , Phys. Rev. C 95, 025501 (2017)
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pub id: 578 [DOI] [URL]
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| $|V_\mathrm{ud}|$ 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] |
| Precise measurement of $\alpha_K$ and $\alpha_T$ for the 109.3-keV $M4$ transition in $^{125}\mathrm{Te}$: Test of internal-conversion theory, , , , , , and , Phys. Rev. C 95, 064301 (2017) |
pub id: 676 [DOI] [URL]
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| Precise measurement of ${\alpha}_{K}$ for the 88.2-keV $M4$ transition in $^{127}{\mathrm{Te}}$: Test of internal-conversion theory, , , , , and , Phys. Rev. C 95, 034325 (2017) |
pub id: 586 [DOI] [URL]
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| Sum-fit method of analysis of nuclear decay spectra affected by extending dead-time, and , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 868, 53 - 58 (2017) |
pub id: 677 [DOI] [URL]
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| Test of internal-conversion theory with a measurement in $^{111}\mathrm{Cd}$, , , , , , and , in: International Conference on Nuclear Data for Science and Technology (ND 2016), EPJ Web Conf. 146, Bruges, Belgium, pages 10004, 2017 | pub id: 741 [DOI] [URL] |
| The Cyclotron Institute at Texas A&M University, *, , , , , *, , *, *, and *, Nuclear Physics News 27, 5--13 (2017) | pub id: 776 [DOI] [URL] |
2016
| Precise measurement of $\alpha_{K}$ and $\alpha_{T}$ for the 150.8-keV ${E}3$ transition in $^{111}\text{Cd}$: Test of internal-conversion theory, , , , , , and , Phys. Rev. C 93, 034305 (2016) | pub id: 393 [DOI] [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] |
2015
| Comment on `Atomic mass compilation 2012' by B. Pfeiffer, K. Venkataramaniah, U. Czok, C. Scheidenberger, , , , , , , , , , , , , , and , Atomic data and nuclear data tables 103, 1-3 (2015) | pub id: 146 [DOI] [URL] |
| Parametrization of the statistical rate function for select superallowed transitions, and , Phys. Rev. C 91, 015501 (2015) | pub id: 44 [DOI] [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] |
| 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] |
| 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 $\beta$ 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] |
2014
| $\beta$ 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] |
| $\mathcal{F}t$ 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] |
| Further Test of Internal-conversion Theory with a Measurement in $^{119}\mathrm{Sn}$, , and , Nuclear Data Sheets 120, 91 - 94 (2014) | pub id: 258 [DOI] [URL] |
| Precise measurement of $\alpha_{K}$ for the 65.7-keV ${M}4$ transition in $^{119}\mathrm{Sn}$: Extended test of internal-conversion theory, , , , , , , , and , Phys. Rev. C 89, 014303 (2014) | pub id: 46 [DOI] [URL] |
| Precise test of internal-conversion theory: Transitions measured in five nuclei spanning $50\leq{Z}\leq78$, , , , , and , in: Proceedings of the 19th International Conference on Radionuclide Metrology and its Applications 17–21 June 2013, Antwerp, Belgium, Applied Radiation and Isotopes 87, Antwerp, Belgium, pages 87 - 91, 2014 | pub id: 75 [DOI] [URL] |
| Precision half-life measurement of the $\beta^+$ decay of $^{37}\mathrm{K}$, , *, , , , , , , , and , Phys. Rev. C 90, 032501(R) (2014) | pub id: 42 [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] |
2013
| CKM unitarity normalization tests, present and future, and , Annalen der Physik 525, 443-451 (2013) | pub id: 349 [DOI] |
| Digital beta counting and pulse-shape analysis for high-precision nuclear beta decay half-life measurements: Tested on $^{26}\mathrm{Al}^m$, , , , , and , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 728, 81 - 91 (2013) | pub id: 527 [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] |
| Time-interval analysis of beta decay, and , Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 713, 19 - 26 (2013) | pub id: 421 [DOI] [URL] |
2012
| $\beta$ 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] |
| Do radioactive half-lives vary with the Earth-to-Sun distance?, , and , Applied Radiation and Isotopes 70, 1931 - 1933 (2012) | pub id: 419 [DOI] [URL] |
| Ernest Rutherford and the origins of nuclear physics, , Physics in Canada 68, 21 (2012) | pub id: 420 [URL] |
| Precise half-life measurement of the superallowed $\beta^+$ emitter $^{46}\mathrm{V}$, , , , , , , , and , Phys. Rev. C 85, 035501 (2012) | pub id: 47 [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] |
| Superallowed nuclear beta decay: Precision measurements for basic physics, , in: From nuclei to stars: Carpathian summer school of physics 2012, AIP Conference Proceedings 1498, Sinaia, Romania, pages 106-114, 2012 | pub id: 409 [DOI] [URL] |
2011
| ${Q}_{EC}$ values of the superallowed $\beta$ emitters $^{10}\mathrm{C}$, $^{34}\mathrm{Ar}$, $^{38}\mathrm{Ca}$, and $^{46}\mathrm{V}$, , , , , , , , , , , , and , Phys. Rev. C 83, 055501 (2011) | pub id: 49 [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] |
| Precise half-life measurement of the superallowed $\beta^+$ emitter $^{38}\mathrm{Ca}$, , , , , , , , , , , and , Phys. Rev. C 84, 065502 (2011) | pub id: 48 [DOI] [URL] |
| Publisher's Note: ${Q}_\mathrm{EC}$ values of the superallowed $\beta$ emitters $^{10}\mathrm{C}$, $^{34}\mathrm{Ar}$, $^{38}\mathrm{Ca}$, and $^{46}\mathrm{V}$, , , , , , , , , , , , and , Phys. Rev. C 84, 059905 (2011) | pub id: 515 [DOI] [URL] |
| Publisher's Note: ${Q}_\mathrm{EC}$ values of the superallowed $\beta$ emitters $^{10}\mathrm{C}$, $^{34}\mathrm{Ar}$, $^{38}\mathrm{Ca}$, and $^{46}\mathrm{V}$, , , , , , , , , , , , and , Phys. Rev. C 83, 069901 (2011) | pub id: 514 [DOI] [URL] |
2010
| Precise half-life measurement of the superallowed $\beta^{+}$ emitter $^{26}\mathrm{Si}$, , , , , , , , , , and , Phys. Rev. C 82, 035502 (2010) | pub id: 701 [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] |
2007
| 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] |
2003
| High Precision Measurement of the Superallowed $0^+\rightarrow0^+$ $\beta$ Decay of $^{22}\mathrm{Mg}$, , , , , , , , , and , Phys. Rev. Lett. 91, 082501 (2003) | pub id: 84 [DOI] [URL] |
