CERN Accelerating science

Article
Report number arXiv:1906.01538
Title QEC-value determination for 21Na21Ne and 23Mg23Na mirror-nuclei decays using high-precision mass spectrometry with ISOLTRAP at ISOLDE/CERN
Author(s) Karthein, J. (CERN ; Heidelberg, Max Planck Inst.) ; Atanasov, D. (Heidelberg, Max Planck Inst.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Breitenfeldt, M. (CERN) ; Bondar, V. (Leuven U.) ; George, Sebastian ; Hayen, L. (Leuven U.) ; Lunney, D. (CSNSM, Orsay) ; Manea, V. (CERN) ; Mougeot, M. (CSNSM, Orsay) Zeige alle 17 Autoren
Publication 2019-07-16
Imprint 2019-06-04
Number of pages 7
Note Published by Physical Review C. 8 pages, 6 figures, 2 tables
In: Phys. Rev. C 100 (2019) pp.015502
DOI 10.1103/PhysRevC.100.015502 (publication)
10.1103/PhysRevC.101.049901 (erratum)
Subject category nucl-ex ; Nuclear Physics - Experiment
Accelerator/Facility, Experiment CERN ISOLDE ; ISOLTRAP
Abstract We report on high-precision QEC values of the 21Na21Ne and 23Mg23Na mirror β-transitions from mass measurements with ISOLTRAP at ISOLDE/CERN. A precision of δm/m=91010 and δm/m=1.5109 was reached for the masses of 21Na and 23Mg, respectively. We reduce the uncertainty of the QEC values by a factor five, making them the most precise experimental input data for the calculation of the corrected Ft-value of these mixed Fermi/Gamow-Teller transitions. For the 21Na21Ne QEC value, a 2.3σ deviation from the literature QEC-value was found.
Copyright/License Publication: © 2019-2024 authors
preprint: (License: arXiv nonexclusive-distrib 1.0)



Corresponding record in: Inspire


 Datensatz erzeugt am 2019-06-20, letzte Änderung am 2024-05-08


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