QEC value of the superallowed β emitter 42Sc
Abstract
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.
Main Authors
Format
Articles
Research article
Published
2017
Series
Subjects
Publication in research information system
Publisher
American Physical Society
The permanent address of the publication
https://urn.fi/URN:NBN:fi:jyu-201702141436Use this for linking
Review status
Peer reviewed
ISSN
2469-9985
DOI
https://doi.org/10.1103/PhysRevC.95.025501
Language
English
Published in
Physical Review C
Citation
- 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
License
Funder(s)
Research Council of Finland
Funding program(s)
Akatemiatutkija, SA
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.
Copyright© 2017 American Physical Society. Published in this repository with the kind permission of the publisher.