J. C. Hardy - List of publications at the Cyclotron Institute, Texas A&M University

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First name(s):	J. C.
Last name(s):	Hardy
Institute:	Cyclotron Institute and Department of Physics & Astronomy, Texas A&M University

This author entry is a synonym of another author entry. Click here to go to the main entry to see any additional publications of this author

Authors associated with the Cyclotron Institute are underlined, and those associated with Center of Excellence in Nuclear Training And University-based Research (CENTAUR) have a ^* next to their name.

Precise measurements of the

$\gamma$ -ray intensities following the

$\beta$ decay of

$^{144}\mathrm{Ce}$ and

$^{147}\mathrm{Nd}$ , K. Kolos, N. D. Scielzo, V. E. Iacob, J. C. Hardy, A. M. Hennessy, D. E. M. Hoff, M. A. Stoyer, A. P. Tonchev, M. Bencomo, J. A. Clark, B. Champine, P. Copp, D. Melconian^*, E. B. Norman, W. J. Ong, H. I. Park, D. Santiago-Gonzalez, G. Savard, A. J. Shaka and S. Zhu, Phys. Rev. C 110, 024307 (2024)

pub id: 1381 [DOI] [URL]

New approach to precisely measure

$\gamma$ -ray intensities for long-lived fission products, with results for the decay of

$^{95}$ Zr, K. Kolos, A. M. Hennessy, N. D. Scielzo, V. E. Iacob, J. C. Hardy, M. A. Stoyer, A. P. Tonchev, W. J. Ong, M. T. Burkey, B. Champine, J. A. Clark, P. Copp, A. Gallant, E. B. Norman, R. Orford, H. I. Park, J. Rohrer, D. Santiago-Gonzalez, G. Savard, A. J. Shaka, B. S. Wang and S. Zhu, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1000, 165240 (2021)

pub id: 1099 [DOI] [URL]

$K$ -shell internal conversion coefficient for

$M4$ decay of the 30.8 keV isomer in

$^{93}\mathrm{Nb}$ , V. Horvat, E. E. Tereshatov, J. C. Hardy, N. Nica, C. M. Folden III, V. E. Iacob and M. B. Trzhaskovskaya, Phys. Rev. C 102, 014310 (2020)

pub id: 1039 [DOI] [URL]

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, H. I. Park, J. C. Hardy, M. Bencomo, V. E. Iacob, I. S. Towner, K. T. Macon, W. P. Tan, M. Brodeur, A. Boeltzig, B. Frentz, S.L. Henderson, J. Long, S. McGuinness, O. Olivas-Gomez, P. O'Malley, G. Seymour, B Vande Kolk and A. Kayani, Phys. Rev. C 102, 045502 (2020)

pub id: 1054 [DOI] [URL]

New precise half-life measurement for the superallowed

$\beta^+$ emitter

$^{34}\mathrm{Ar}$ , V. E. Iacob, J. C. Hardy, H. I. Park, M. Bencomo, L. Chen, V. Horvat, N. Nica, B. T. Roeder and A. Saastamoinen, Phys. Rev. C 101, 015504 (2020)

pub id: 977 [DOI] [URL]

Precise

$\beta$ branching-ratio measurement for the

$0^+\rightarrow0^+$ superallowed decay of

$^{34}\mathrm{Ar}$ , V. E. Iacob, J. C. Hardy, H. I. Park, M. Bencomo, L. Chen, V. Horvat, N. Nica, B. T. Roeder, A. Saastamoinen and I. S. Towner, 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, J. C. Hardy and I. S. Towner, Phys. Rev. C 102, 045501 (2020)

pub id: 1053 [DOI] [URL]

Precise branching ratio measurement for the superallowed

$\beta^+$ decay of

$^{26}\mathrm{Si}$ : Completion of a second mirror pair, M. Bencomo, J. C. Hardy, V. E. Iacob, H. I. Park, L. Chen, V. Horvat, N. Nica, B. T. Roeder, A. Saastamoinen and I. S. Towner, Phys. Rev. C 100, 015503 (2019)

Editor's Suggestion

pub id: 945 [DOI] [URL]

High-precision half-life measurement of the

$\beta^+$ decay of

$^{21}\mathrm{Na}$ , P. D. Shidling, R. S. Behling, B. Fenker, J. C. Hardy, V. E. Iacob, M. Mehlman, H. I. Park, B. T. Roeder and D. Melconian^*, Phys. Rev. C 98, 015502 (2018)

pub id: 826 [DOI] [URL]

Nuclear beta decays and CKM unitarity, J. C. Hardy and I. S. Towner, 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

$^{30}\mathrm{S}$ , V. E. Iacob, J. C. Hardy, L. Chen, V. Horvat, M. Bencomo, N. Nica, H. I. Park, B. T. Roeder and A. Saastamoinen, 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, N. Nica, J. C. Hardy, V. E. Iacob, V. Horvat, H. I. Park, T. A. Werke, K. J. Glennon, C. M. Folden III, V. I. Sabla, J. B. Bryant, X. K. James and M. B. Trzhaskovskaya, 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

$45\leq Z\leq78$ , J. C. Hardy, N. Nica, V. E. Iacob and M. B. Trzhaskovskaya, Applied Radiation and Isotopes 134, 406--409 (2018)

pub id: 783 [DOI] [URL]

$Q_{\mathrm{EC}}$ value of the superallowed

$\beta$ emitter

$^{42}\mathrm{Sc}$ , T. Eronen, J. C. Hardy, L. Canete, A. Jokinen, J. Hakala, A. Kankainen, V. S. Kolhinen, J. Koponen, I. D. Moore, I. M. Murray, H. Penttilä, I. Pohjalainen, O. Poleshchuk, J. Reinikainen, S. Rinta-Antila, N. Soukouti, A. Voss and J. Äystö, Phys. Rev. C 95, 025501 (2017)

Editor's Suggestion

pub id: 578 [DOI] [URL]

$|V_\mathrm{ud}|$ from nuclear

$\beta$ decays, J. C. Hardy and I. S. Towner, 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, N. Nica, J. C. Hardy, V. E. Iacob, T. A. Werke, C. M. Folden III, K. Ofodile and M. B. Trzhaskovskaya, Phys. Rev. C 95, 064301 (2017)

pub id: 676 [DOI] [URL]

Precise measurement of

${\alpha}_{K}$ for the 88.2-keV

$M4$ transition in

$^{127}{\mathrm{Te}}$ : Test of internal-conversion theory, N. Nica, J. C. Hardy, V. E. Iacob, H. I. Park, K. Brandenburg and M. B. Trzhaskovskaya, Phys. Rev. C 95, 034325 (2017)

pub id: 586 [DOI] [URL]

Sum-fit method of analysis of nuclear decay spectra affected by extending dead-time, V. Horvat and J. C. Hardy, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 868, 53 - 58 (2017)

pub id: 677 [DOI] [URL]

Test of internal-conversion theory with a measurement in

$^{111}\mathrm{Cd}$ , N. Nica, J. C. Hardy, V. E. Iacob, T. A. Werke, C. M. Folden III, L. Pineda and M. B. Trzhaskovskaya, 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]

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, N. Nica, J. C. Hardy, V. E. Iacob, T. A. Werke, C. M. Folden III, L. Pineda and M. B. Trzhaskovskaya, Phys. Rev. C 93, 034305 (2016)

pub id: 393 [DOI] [URL]

Testing CVC and CKM unitarity via superallowed nuclear beta decay, J. C. Hardy and I. S. Towner, 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]

Comment on `Atomic mass compilation 2012' by B. Pfeiffer, K. Venkataramaniah, U. Czok, C. Scheidenberger, G. Audi, K. Blaum, M. Block, G. Bollen, S. Goriely, J. C. Hardy, F. Herfurth, F. G. Kondev, H.-J. Kluge, D. Lunney, J. M. Pearson, G. Savard, K. S. Sharma, M. Wang and Y. H. Zhang, 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, I. S. Towner and J. C. Hardy, Phys. Rev. C 91, 015501 (2015)

pub id: 44 [DOI] [URL]

Precise measurement of branching ratios in the

$\beta$ decay of

$^{38}\mathrm{Ca}$ , H. I. Park, J. C. Hardy, V. E. Iacob, M. Bencomo, L. Chen, V. Horvat, N. Nica, B. T. Roeder, E. McCleskey, R. E. Tribble and I. S. Towner, 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, J. C. Hardy and I. S. Towner, Phys. Rev. C 91, 025501 (2015)

pub id: 43 [DOI] [URL]

Testing CVC and CKM Unitarity via superallowed nuclear beta decay, J. C. Hardy, I. S. Towner, H. I. Park, V. E. Iacob, L. Chen, V. Horvat, N. Nica and M. Bencomo, 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, H. I. Park, J. C. Hardy, V. E. Iacob, M. Bencomo, L. Chen, V. Horvat, N. Nica, B. T. Roeder, E. Simmons, R. E. Tribble and I. S. Towner, 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

${V}_{ud}$ , J. C. Hardy and I. S. Towner, 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]

Theoretical corrections and world data for the superallowed

$ft$ values in the

$\beta$ decays of

$^{42}\mathrm{Ti}$ ,

$^{46}\mathrm{Cr}$ ,

$^{50}\mathrm{Fe}$ , and

$^{54}\mathrm{Ni}$ , I. S. Towner and J. C. Hardy, Phys. Rev. C 92, 055505 (2015)

pub id: 518 [DOI] [URL]

$\beta$ Decay of

$^{38}\mathrm{Ca}$ : Sensitive test of Isospin Symmetry-Breaking Corrections from Mirror Superallowed

$0^+\rightarrow0^+$ Transitions, H. I. Park, J. C. Hardy, V. E. Iacob, M. Bencomo, L. Chen, V. Horvat, N. Nica, B. T. Roeder, E. Simmons, R. E. Tribble and I. S. Towner, 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, J. C. Hardy, V. E. Iacob, H. I. Park, L. Chen, N. Nica, V. Horvat, R. E. Tribble and I. S. Towner, 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

$^{119}\mathrm{Sn}$ , N. Nica, J. C. Hardy and V. E. Iacob, 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, N. Nica, J. C. Hardy, V. E. Iacob, M. Bencomo, V. Horvat, H. I. Park, M. Maguire, S. Miller and M. B. Trzhaskovskaya, Phys. Rev. C 89, 014303 (2014)

pub id: 46 [DOI] [URL]

Precise test of internal-conversion theory: Transitions measured in five nuclei spanning

$50\leq{Z}\leq78$ , J. C. Hardy, N. Nica, V. E. Iacob, S. Miller, M. Maguire and M. B. Trzhaskovskaya, 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

$^{37}\mathrm{K}$ , P. D. Shidling, D. Melconian^*, R. S. Behling, B. Fenker, J. C. Hardy, V. E. Iacob, E. McCleskey, M. McCleskey, M. Mehlman, H. I. Park and B. T. Roeder, Phys. Rev. C 90, 032501(R) (2014)

pub id: 42 [DOI] [URL]

The measurement and interpretation of superallowed

$0^+\rightarrow0^+$ nuclear

$\beta$ decay, J. C. Hardy and I. S. Towner, Journal of Physics G: Nuclear and Particle Physics 41, 114004 (2014)

pub id: 80 [DOI] [URL]

CKM unitarity normalization tests, present and future, J. C. Hardy and I. S. Towner, 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

$^{26}\mathrm{Al}^m$ , L. Chen, J. C. Hardy, M. Bencomo, V. Horvat, N. Nica and H. I. Park, 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, J. C. Hardy and I. S. Towner, 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, V. Horvat and J. C. Hardy, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 713, 19 - 26 (2013)

pub id: 421 [DOI] [URL]

$\beta$ decay of

$^{32}\mathrm{Cl}$ : Precision

$\gamma$ -ray spectroscopy and a measurement of isospin-symmetry breaking, D. Melconian^*, S. Triambak, C. Bordeanu, A. García, J. C. Hardy, V. E. Iacob, N. Nica, H. I. Park, G. Tabacaru, L. Trache, I. S. Towner, R. E. Tribble and Y. Zhai, Phys. Rev. C 85, 025501 (2012)

pub id: 33 [DOI] [URL]

Do radioactive half-lives vary with the Earth-to-Sun distance?, J. C. Hardy, J. R. Goodwin and V. E. Iacob, Applied Radiation and Isotopes 70, 1931 - 1933 (2012)

pub id: 419 [DOI] [URL]

Ernest Rutherford and the origins of nuclear physics, J. C. Hardy, Physics in Canada 68, 21 (2012)

pub id: 420 [URL]

Precise half-life measurement of the superallowed

$\beta^+$ emitter

$^{46}\mathrm{V}$ , H. I. Park, J. C. Hardy, V. E. Iacob, L. Chen, J. Goodwin, N. Nica, E. Simmons, L. Trache and R. E. Tribble, Phys. Rev. C 85, 035501 (2012)

pub id: 47 [DOI] [URL]

Superallowed

$0^+\rightarrow0^+$

$\beta$ -decay from

${T}_{Z}=-1$

$\mathit{sd}$ -shell nuclei, J. C. Hardy and I. S. Towner, Journal of Physics: Conference Series 387, pages 012006, 2012

pub id: 79 [DOI] [URL]

Superallowed nuclear beta decay: Precision measurements for basic physics, J. C. Hardy, 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]