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1.
High-Precision Mass Measurements of Neutron Deficient Silver Isotopes Probe the Robustness of the <math display="inline"><mrow><mi>N</mi><mo>=</mo><mn>50</mn></mrow></math> Shell Closure / Ge, Zhuang (Jyvaskyla U.) ; Reponen, Mikael (Jyvaskyla U.) ; Eronen, Tommi (Jyvaskyla U.) ; Hu, Baishan (TRIUMF ; ORNL, Oak Ridge (main) ; Oak Ridge) ; Kortelainen, Markus (Jyvaskyla U.) ; Kankainen, Anu (Jyvaskyla U.) ; Moore, Iain (Jyvaskyla U.) ; Nesterenko, Dmitrii (Jyvaskyla U.) ; Yuan, Cenxi (SYSU, Guangzhou) ; Beliuskina, Olga (Jyvaskyla U.) et al.
High-precision mass measurements of exotic $^{95-97}$Ag isotopes close to the $N = Z$ line have been conducted with the JYFLTRAP double Penning trap mass spectrometer, with the silver ions produced using the recently commissioned inductively-heated hot cavity catcher laser ion source at the Ion Guide Isotope Separator On-Line facility. The atomic mass of $^{95}$Ag was directly determined for the first time. [...]
arXiv:2401.07976.- 2024-09-26 - 9 p. - Published in : Phys. Rev. Lett. 133 (2024) 132503 Fulltext: PDF;
2.
Voltage scanning and technical upgrades at the Collinear Resonance Ionization Spectroscopy experiment / Athanasakis-Kaklamanakis, Michail (CERN ; Leuven U.) ; Reilly, Jordan R. (Manchester U.) ; Koszorús, Ágota (CERN) ; Wilkins, Shane G. (MIT) ; Lalanne, Louis (Leuven U.) ; Geldhof, Sarina (Leuven U.) ; Nichols, Miranda (Goteborg, ITP) ; Wang, Quanjun (Lanzhou U. (main)) ; van den Borne, Bram (Leuven U.) ; Chorlton, David (Manchester U.) et al.
To optimize the performance of the Collinear Resonance Ionization Spectroscopy (CRIS) experiment at CERN-ISOLDE, technical upgrades are continuously introduced, aiming to enhance its sensitivity, precision, stability, and efficiency. Recently, a voltage-scanning setup was developed and commissioned at CRIS, which improved the scanning speed by a factor of three as compared to the current laser-frequency scanning approach. [...]
arXiv:2303.15312.- 2023-05-17 - 10 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 541 (2023) 86-89 Fulltext: 2303.15312 - PDF; Publication - PDF;
In : 19th International Conference on Electromagnetic Isotope Separators and Related Topics (EMIS 2022), Daejeon, Korea, 3 - 7 Oct 2022, pp.86-89
3.
Observation of the radiative decay of the ${}^{229}\mathrm{Th}$ nuclear clock isomer / Kraemer, Sandro (Leuven U. ; LMU Munich (main)) ; Moens, Janni (Leuven U.) ; Athanasakis-Kaklamanakis, Michail (Leuven U. ; CERN) ; Bara, Silvia (Leuven U.) ; Beeks, Kjeld (Vienna, Tech. U., Atominst.) ; Chhetri, Premaditya (Leuven U.) ; Chrysalidis, Katerina (CERN) ; Claessens, Arno (Leuven U.) ; Cocolios, Thomas E. (Leuven U.) ; Correia, João G.M. (Lisbon U.) et al.
The nucleus of the radioisotope thorium-229 (${}^{229}$Th) features an isomer with an exceptionally low excitation energy that enables direct laser manipulation of nuclear states. For this reason, it is a leading candidate for use in next-generation optical clocks. [...]
arXiv:2209.10276.- 2023-05-24 - 15 p. - Published in : Nature 617 (2023) 706–710 Fulltext: PDF;
4.
Study of the radiative decay of the low-energy isomer in $^{229}$Th / Chhetri, Premaditya (KU Leuven) ; Bara, Silvia (KU Leuven) ; Beeks, Kjeld (TU Wein) ; Bernerd, Cyril (KU Leuven, CERN) ; Block, Michael (GSI Darmstadt, HIM Mainz, University of Mainz) ; Claessens, Arno (KU Leuven) ; Cocolios, Thomas Elias (KU Leuven) ; Martins Correia, João Guilherme (Universidade de Lisboa) ; Granadeiro Costa, Angelo Rafael (KU Leuven) ; Cottenier, Stefaan (Ghent University) et al.
CERN-INTC-2022-017 ; INTC-P-628.
- 2022.
Fulltext
5.
Proton-neutron pairing correlations in the self-conjugate nucleus $^{42}$Sc / Koszorus, Agota (Liverpool U.) ; Vormawah, Liam (Liverpool U.) ; Beerwerth, Randolf (Helmholtz Inst., Jena) ; Bissell, Mark (Manchester U.) ; Campbell, Paul (Manchester U.) ; Cheal, Bradley (Liverpool U.) ; Devlin, Charlie (Liverpool U.) ; Eronen, Tommi (Jyvaskyla U.) ; Fritzsche, Stephan (Helmholtz Inst., Jena) ; Geldhof, Sarina (Jyvaskyla U. ; Leuven U.) et al.
Collinear laser spectroscopy of the $N=Z=21$ self-conjugate nucleus $^{42}$Sc has been performed at the JYFL IGISOL IV facility in order to determine the change in nuclear mean-square charge radius between the $I^{\pi}=0^{+}$ ground state and the $I^{\pi}=7^{+}$ isomer via the measurement of the $^{42\mathrm{g},42\mathrm{m}}$Sc isomer shift. New multi-configurational Dirac-Fock calculations for the atomic mass shift and field shift factors have enabled a recalibration of the charge radii of the $^{42-46}$Sc isotopes which were measured previously. [...]
arXiv:2102.01988.- 2021-08-10 - 6 p. - Published in : Phys. Lett. B 819 (2021) 136439 Article from SCOAP3: PDF;
6.
Probing the magicity and shell evolution in the vicinity of $N=50$ with high-resolution laser spectroscopy of $^{81,82}$Zn isotopes / Yang, Xiaofei (Peking University) ; Cocolios, Thomas (KU Leuven) ; Geldhof, Sarina (KU Leuven)
CERN-INTC-2020-064 ; INTC-P-579.
- 2020.
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7.
Study of the radiative decay of the low-energy isomer in ${}^{229}$Th / Kraemer, Sandro (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Beeks, Kjeld (Institute of Atomic and Subatomic Physics, Vienna University of Technology, Austria) ; Block, Michael (GSI Helmholtzzentrum für Schwerionenforschung, Germany) ; Cocolios, Thomas (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Correia, Guilherme (ISOLDE-CERN, Switzerland) ; Cottenier, Stefaan (Center for Molecular Modelling, Ghent University, Belgium) ; De Witte, Hilde (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Dockx, Kristof (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Ferrer, Rafael (Institute for Nuclear and Radiation Physics, KU Leuven, Belgium) ; Geldhof, Sarina (Department of Physics, University of Jyväskylä, Finland) et al.
CERN-INTC-2020-020 ; INTC-P-548.
- 2020.
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