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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., . . . Äystö, J. (2017). QEC value of the superallowed β emitter 42Sc. Physical Review C, 95 (2), 025501. doi: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
Copyright
© 2017 American Physical Society. Published in this repository with the kind permission of the publisher.

 
The QEC value of the superallowed β+ emitter 42Sc has been measured with the JYFLTRAP Penning-trap mass spectrometer at the University of Jyvaskylä 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 42Sc 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
DOI
10.1103/PhysRevC.95.025501
URI

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

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