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QEC value of the superallowed β emitter 42Sc

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Eronen, T., Hardy, J. C., Canete, L., Jokinen, A., Hakala, J., Kankainen, A., Kolhinen, V., Koponen, J., Moore, I., Murray, I. M., Penttilä, H., Pohjalainen, I., Poleshchuk, O., Reinikainen, J., Rinta-Antila, S., Soukouti, N., Voss, A., & Äystö, J. (2017). QEC value of the superallowed β emitter 42Sc. Physical Review C, 95(2), Article 025501. https://doi.org/10.1103/PhysRevC.95.025501
Published in
Physical Review C
Authors
Eronen, Tommi |
Hardy, J. C. |
Canete, Laetitia |
Jokinen, Ari |
Hakala, Jani |
Kankainen, Anu |
Kolhinen, Veli |
Koponen, Jukka |
Moore, Iain |
Murray, I. M. |
Penttilä, Heikki |
Pohjalainen, Ilkka |
Poleshchuk, O. |
Reinikainen, Juuso |
Rinta-Antila, Sami |
Soukouti, N. |
Voss, Annika |
Äystö, Juha
Date
2017
Discipline
KiihdytinlaboratorioAccelerator Laboratory
Copyright
© 2017 American Physical Society. Published in this repository with the kind permission of the publisher.

 
The QEC value of the superallowed β+ emitter Sc42 has been measured with the JYFLTRAP Penning-trap mass spectrometer at the University of Jyväskylä to be 6426.350(53) keV. This result is at least a factor of four more precise than all previous measurements, which were also inconsistent with one another. As a byproduct we determine the excitation energy of the 7+ isomeric state in Sc42 to be 616.762(46) keV, which deviates by 8σ from the previous measurement.
Publisher
American Physical Society
ISSN Search the Publication Forum
2469-9985
Keywords
superallowed emitters Atomic Weights Antiprotons Ion Traps (Instrumentation) ydinfysiikka atomipainot astrofysiikka
DOI
https://doi.org/10.1103/PhysRevC.95.025501
URI

http://urn.fi/URN:NBN:fi:jyu-201702141436

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/26548521

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  • Matemaattis-luonnontieteellinen tiedekunta [5074]
Related funder(s)
Academy of Finland
Funding program(s)
Academy Research Fellow, AoF
Additional information about funding
This material is based on work supported by the US Department of Energy, Office of Science, Office of Nuclear Physics, under Award Number DE-FG03-93ER40773, by the Welch Foundation under Grant No. A-1397, and by the Academy of Finland under the Finnish Centre of Excellence Programme 2012-2017 (Nuclear and Accelerator Based Physics Research at JYFL). A.K. and L.C. acknowledge the support from the Academy of Finland under Project No. 275389. ...

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