A1 Journal article (refereed)
Binding energies of ground and isomeric states in neutron-rich ruthenium isotopes : Measurements at JYFLTRAP and comparison to theory (2023)
Hukkanen, M., Ryssens, W., Ascher, P., Bender, M., Eronen, T., Grévy, S., Kankainen, A., Stryjczyk, M., Al Ayoubi, L., Ayet, S., Beliuskina, O., Delafosse, C., Ge, Z., Gerbaux, M., Gins, W., Husson, A., Jaries, A., Kujanpää, S., Mougeot, M., . . . Weaver, A. P. (2023). Binding energies of ground and isomeric states in neutron-rich ruthenium isotopes : Measurements at JYFLTRAP and comparison to theory. Physical Review C, 108(6), Article 064315. https://doi.org/10.1103/PhysRevC.108.064315
JYU authors or editors
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Publication details
All authors or editors: Hukkanen, M.; Ryssens, W.; Ascher, P.; Bender, M.; Eronen, T.; Grévy, S.; Kankainen, A.; Stryjczyk, M.; Al Ayoubi, L.; Ayet, S.; et al.
Journal or series: Physical Review C
ISSN: 2469-9985
eISSN: 2469-9993
Publication year: 2023
Publication date: 26/12/2023
Volume: 108
Issue number: 6
Article number: 064315
Publisher: American Physical Society (APS)
Publication country: United States
Publication language: English
DOI: https://doi.org/10.1103/PhysRevC.108.064315
Publication open access: Not open
Publication channel open access:
Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/92944
Abstract
We report on precision mass measurements of 113,115,117Ru performed with the JYFLTRAP double Penning trap mass spectrometer at the Accelerator Laboratory of University of Jyväskylä. The phase-imaging ion-cyclotron-resonance technique was used to resolve the ground and isomeric states in 113,115Ru and enabled for the first time a measurement of the isomer excitation energies, Ex(113Rum)=100.5(8) keV and Ex(115Rum)=129(5) keV. The ground state of 117Ru was measured using the time-of-flight ion-cyclotron-resonance technique. The new mass-excess value for 117Ru is around 36 keV lower and seven times more precise than the previous literature value. With the more precise ground-state mass values, the evolution of the two-neutron separation energies is further constrained and a similar trend as predicted by the BSkG1 model is obtained up to the neutron number N=71.
Keywords: nuclear physics; isotopes; mass spectrometry
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Ministry reporting: Yes
VIRTA submission year: 2023
JUFO rating: 2