_version_ 1866911298423357440
author Ruotsalainen, J.
Jaries, A.
Stryjczyk, M.
Kankainen, A.
Andel, B.
Araszkiewicz, M.
Beliuskina, O.
Bruce, A.
Cannarozzo, S.
Chinthakayala, S.
Doshi, S.
Eronen, T.
Fijałkowska, A.
Fraile, L. M.
Garczyński, P.
Ge, Z.
Grigorova, D.
Jaworski, G.
Korgul, A.
Krakowski, T.
Kurpeta, J.
Lalkovski, S.
Expósito, M. Llanos
Moore, I. D.
Motilla, L. M.
Mougeot, M.
Penttilä, H.
Raggio, A.
Rattanasakuldilok, W.
Saren, J.
Solak, K.
author_facet Ruotsalainen, J.
Jaries, A.
Stryjczyk, M.
Kankainen, A.
Andel, B.
Araszkiewicz, M.
Beliuskina, O.
Bruce, A.
Cannarozzo, S.
Chinthakayala, S.
Doshi, S.
Eronen, T.
Fijałkowska, A.
Fraile, L. M.
Garczyński, P.
Ge, Z.
Grigorova, D.
Jaworski, G.
Korgul, A.
Krakowski, T.
Kurpeta, J.
Lalkovski, S.
Expósito, M. Llanos
Moore, I. D.
Motilla, L. M.
Mougeot, M.
Penttilä, H.
Raggio, A.
Rattanasakuldilok, W.
Saren, J.
Solak, K.
contents The masses of neutron-rich $^{104-106}$Tc isotopes were measured using the JYFLTRAP double Penning trap and found to deviate from the Atomic Mass Evaluation 2020 by $-79(25)$, $40(12)$ and $94(41)$ keV, respectively. In the case of $^{105,106}$Tc, the updated $Q_β$ values are in agreement with a previous JYFLTRAP measurement, disagreeing with the values from the mass evaluation. The new mass values result in a more linear trend in two-neutron separation energies indicating that technetium ($Z=43$) isotopes around $N \approx 60$ are not a part of the island of shape coexistence around $^{100}$Zr$_{60}$.
format Preprint
id arxiv_https___arxiv_org_abs_2505_15625
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Probing the quantum phase transition around $N\approx60$ via mass measurements of technetium isotopes
Ruotsalainen, J.
Jaries, A.
Stryjczyk, M.
Kankainen, A.
Andel, B.
Araszkiewicz, M.
Beliuskina, O.
Bruce, A.
Cannarozzo, S.
Chinthakayala, S.
Doshi, S.
Eronen, T.
Fijałkowska, A.
Fraile, L. M.
Garczyński, P.
Ge, Z.
Grigorova, D.
Jaworski, G.
Korgul, A.
Krakowski, T.
Kurpeta, J.
Lalkovski, S.
Expósito, M. Llanos
Moore, I. D.
Motilla, L. M.
Mougeot, M.
Penttilä, H.
Raggio, A.
Rattanasakuldilok, W.
Saren, J.
Solak, K.
Nuclear Experiment
The masses of neutron-rich $^{104-106}$Tc isotopes were measured using the JYFLTRAP double Penning trap and found to deviate from the Atomic Mass Evaluation 2020 by $-79(25)$, $40(12)$ and $94(41)$ keV, respectively. In the case of $^{105,106}$Tc, the updated $Q_β$ values are in agreement with a previous JYFLTRAP measurement, disagreeing with the values from the mass evaluation. The new mass values result in a more linear trend in two-neutron separation energies indicating that technetium ($Z=43$) isotopes around $N \approx 60$ are not a part of the island of shape coexistence around $^{100}$Zr$_{60}$.
title Probing the quantum phase transition around $N\approx60$ via mass measurements of technetium isotopes
topic Nuclear Experiment
url https://arxiv.org/abs/2505.15625