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 …

-defined isochronous mass spectrometry: An approach for high-precision mass measurements of short-lived nuclei

M Wang, M Zhang, X Zhou, YH Zhang, YA Litvinov… - Physical Review C, 2022 - APS
A technique for broadband high-precision mass measurements of short-lived exotic nuclides
is reported. It is based on the isochronous mass spectrometry (IMS) and realizes …

Precision mass measurements of short-lived nuclides at HIRFL-CSR in Lanzhou

MZ Sun, XH Zhou, M Wang, YH Zhang, YA Litvinov - Frontiers of Physics, 2018 - Springer
In recent years, extensive short-lived nuclear mass measurements have been carried out at
the Heavy-Ion Research Facility (HIRFL) in Lanzhou using Isochronous Mass Spectrometry …

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 …

[HTML][HTML] High-precision QEC values of superallowed 0+→ 0+ β-emitters 46Cr, 50Fe and 54Ni

P Zhang, X Xu, P Shuai, RJ Chen, XL Yan, YH Zhang… - Physics Letters B, 2017 - Elsevier
Abstract Short-lived 46 Cr, 50 Fe and 54 Ni were studied by isochronous mass spectrometry
at the HIRFL-CSR facility in Lanzhou. The measured precision mass excesses (ME) of 46 …

High-resolution study of Gamow-Teller excitations in the reaction and the observation of a “low-energy super-Gamow-Teller state”

Y Fujita, H Fujita, T Adachi, G Susoy, A Algora, CL Bai… - Physical Review C, 2015 - APS
To study the Gamow-Teller (GT) transitions from the T z=+ 1 nucleus Ca 42 to the T z= 0
nucleus Sc 42, where T z is the z component of isospin T, we performed a (p, n)-type (He 3 …

decay of the very neutron-deficient and nuclei

SEA Orrigo, B Rubio, W Gelletly, P Aguilera, A Algora… - Physical Review C, 2021 - APS
We report here the results of a study of the β decay of the proton-rich Ge isotopes, Ge 60 and
Ge 62, produced in an experiment at the RIKEN Nishina Center. We have improved our …

Shell model description of Gamow-Teller strengths in pf-shell nuclei

V Kumar, PC Srivastava - The European Physical Journal A, 2016 - Springer
A systematic shell model description of the experimental Gamow-Teller transition strength
distributions in 42 Ti, 46 Cr, 50 Fe and 54 Ni is presented. These transitions have been …

decay of the exotic nuclei , and

SEA Orrigo, B Rubio, Y Fujita, W Gelletly, J Agramunt… - Physical Review C, 2016 - APS
The results of a study of the β decays of three proton-rich nuclei with T z=− 2, namely Fe 48,
Ni 52, and Zn 56, produced in an experiment carried out at GANIL, are reported. In all three …

Gamow–Teller Beta Decay and Pseudo-SU (4) Symmetry

P Van Isacker, A Algora, A Vitéz-Sveiczer, GG Kiss… - Symmetry, 2023 - mdpi.com
We report on recent experimental results on β decay into self-conjugate (N= Z) nuclei with
mass number 58≤ A≤ 70. Super-allowed β decays from the J π= 0+ ground state of a Z …