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Mass measurements in the $^{132}$Sn region with the JYFLTRAP double Penning trap mass spectrometer by Beliuskina, O.; Nesterenko, D. A.; Jaries, A.; Stryjczyk, M.; Kankainen, A.; Canete, L.; de Groote, R. P.; Delafosse, C.; Eronen, T.; Ge, Z.; Geldhof, S.; Gins, W.; Hukkanen, M.; Jokinen, A.; Moore, I. D.; Mougeot, M.; Nikas, S.; Penttilä, H.; Pohjalainen, I.; Raggio, A.; Reponen, M.; Rinta-Antila, S.; de Roubin, A.; Ruotsalainen, J.; Vilen, M.; Virtanen, V.; Zadvornaya, A. is a scholarly article available to read on EtoBox.

What is Mass measurements in the $^{132}$Sn region with the JYFLTRAP double Penning trap mass spectrometer about?

We report on new precision mass measurements of neutron-rich $^{137}$Sb and $^{136-142}$I isotopes from the JYFLTRAP double Penning trap mass spectrometer. We confirm the value from the previous Penning-trap measurement of $^{137}$Sb at the Canadian Penning Trap and therefore rule out the conflicting result from the Experimental Storage Ring. The ground state and isomer in $^{136}$I were resolved and measured directly for the first time. The isomer excitation energy, $E_x = 215.1(43)$ keV, agrees with the literature but is three times more precise. The measurements have improved the precision of the mass values and confirmed previous results in the majority of cases. However, for $^{138,140}$I the results differ by 17(6) keV and 23(12) keV, respectively. This could be explained by an unresolved contamination or different ratio of unresolved isomeric states in the case of $^{140}$I.

Author
Beliuskina, O.; Nesterenko, D. A.; Jaries, A.; Stryjczyk, M.; Kankainen, A.; Canete, L.; de Groote, R. P.; Delafosse, C.; Eronen, T.; Ge, Z.; Geldhof, S.; Gins, W.; Hukkanen, M.; Jokinen, A.; Moore, I. D.; Mougeot, M.; Nikas, S.; Penttilä, H.; Pohjalainen, I.; Raggio, A.; Reponen, M.; Rinta-Antila, S.; de Roubin, A.; Ruotsalainen, J.; Vilen, M.; Virtanen, V.; Zadvornaya, A.
Published
2024
Language
EN

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Browse all works by Beliuskina, O.; Nesterenko, D. A.; Jaries, A.; Stryjczyk, M.; Kankainen, A.; Canete, L.; de Groote, R. P.; Delafosse, C.; Eronen, T.; Ge, Z.; Geldhof, S.; Gins, W.; Hukkanen, M.; Jokinen, A.; Moore, I. D.; Mougeot, M.; Nikas, S.; Penttilä, H.; Pohjalainen, I.; Raggio, A.; Reponen, M.; Rinta-Antila, S.; de Roubin, A.; Ruotsalainen, J.; Vilen, M.; Virtanen, V.; Zadvornaya, A.