Superallowed nuclear decays: 2020 critical survey, with implications for and CKM unitarity

JC Hardy, IS Towner - Physical Review C, 2020 - APS
A new critical survey of all half-life, decay-energy, and branching-ratio measurements
related to 23 superallowed 0+→ 0+ β decays is presented. Included are 222 individual …

Superallowed nuclear decays: 2014 critical survey, with precise results for and CKM unitarity

JC Hardy, IS Towner - Physical Review C, 2015 - APS
A new critical survey is presented of all half-life, decay-energy, and branching-ratio
measurements related to 20 superallowed 0+→ 0+ β decays. Included are 222 individual …

Superallowed nuclear decays: A new survey with precision tests of the conserved vector current hypothesis and the standard model

JC Hardy, IS Towner - Physical Review C—Nuclear Physics, 2009 - APS
A new critical survey is presented of all half-life, decay-energy, and branching-ratio
measurements related to 20 superallowed 0+→ 0+ β decays. Compared with our last …

The TRIUMF-ISAC facility: two decades of discovery with rare isotope beams

GC Ball, G Hackman, R Krücken - Physica Scripta, 2016 - iopscience.iop.org
Since 1999, the TRIUMF-ISAC facility has been providing rare isotope beams for nuclear
physics experiments. The three pillars of the program are nuclear structure, nuclear …

The evaluation of Vud and its impact on the unitarity of the Cabibbo–Kobayashi–Maskawa quark-mixing matrix

IS Towner, JC Hardy - Reports on Progress in Physics, 2010 - iopscience.iop.org
The determination of the Cabibbo–Kobayashi–Maskawa (CKM) matrix element V ud is
reviewed. Data from 0+→ 0+ superallowed beta decay in nuclei, neutron decay, beta decay …

Superallowed nuclear decays: A critical survey with tests of the conserved vector current hypothesis and the standard model

JC Hardy, IS Towner - Physical Review C—Nuclear Physics, 2005 - APS
A complete and critical survey is presented of all half-life, decay-energy, and branching-ratio
measurements related to 20 superallowed 0+→ 0+ decays; no measurements are ignored …

Shell-model study of /EC-decay half-lives for –30 nuclei

V Kumar, PC Srivastava - The European Physical Journal A, 2023 - Springer
In the present work, we have reported β+/EC-decay half-lives for Z= 21–30 nuclei using
large-scale shell-model. A recent study shows that some proton-rich nuclei in this region …

High precision measurements of decay

GF Grinyer, CE Svensson, C Andreoiu… - Physical Review C …, 2005 - APS
High-precision measurements of the half-life and β-branching ratios for the β− decay of Na
26 to Mg 26 have been measured in β-counting and γ-decay experiments, respectively. A 4π …

Precise Half-Life Measurement for the Superallowed Emitter : First Results from the New Radioactive Beam Facility (ISAC) at TRIUMF

GC Ball, S Bishop, JA Behr, GC Boisvert, P Bricault… - Physical Review Letters, 2001 - APS
Presently, the world data for superallowed β decay leads to a result in disagreement (at the
98% confidence level) with the predictions of the minimal standard model for the unitarity of …

Half-life measurements of proton-rich fragments

MJL Jiménez, B Blank, M Chartier, S Czajkowski… - Physical Review C, 2002 - APS
The β+ decay half-lives of 22 neutron-deficient nuclei in the cobalt-to-krypton region have
been measured following the fragmentation of a primary 78 Kr beam at an energy of 73 MeV …