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Refining the nuclear mass surface with the mass of $^{103}$Sn
/ Nies, L. (CERN ; Greifswald U.) ; Atanasov, D. (LP2I, Bordeaux) ; Athanasakis-Kaklamanakis, M. (CERN ; Leuven U.) ; Au, M. (CERN ; Mainz U.) ; Bernerd, C. (CERN) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Chrysalidis, K. (CERN) ; Fischer, P. (Greifswald U.) ; Heinke, R. (CERN) ; Klink, C. (CERN ; Darmstadt, Tech. U.) et al.
Mass measurements with the ISOLTRAP mass spectrometer at CERN-ISOLDE improve mass uncertainties of neutron-deficient tin isotopes towards doubly-magic $^{100}$Sn. [...]
arXiv:2410.17995.
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Mass measurements of neutron-rich Ag and In isotopes for r-process nucleosynthesis studies
/ Giesel, Paul Florian (Universität Greifswald, Institut für Physik, Germany) ; Benhatchi, Maroua (Université Paris-Saclay, CNRS/IN2P3, IJCLab, France) ; Arcones, Almudena (Max-Planck-Institut für Kernphysik, Germany + Technische Universität Darmstadt, Institut für Kernphysik, Germany + GSI Helmholtzzentrum für Schwerionenforschung GmbH, Germany) ; Atanasov, Dinko (Studiecentrum voor Kernenergie SCK•CEN, Belgium) ; Blaum, Klaus (Max-Planck-Institut für Kernphysik, Germany) ; Cakirli, Rabia Burcu (Max-Planck-Institut für Kernphysik, Germany + Istanbul University, Department of Physics, Turkey) ; Karthein, Jonas (Texas A&M University Cyclotron Institute, USA) ; Lange, Daniel (Max-Planck-Institut für Kernphysik, Germany) ; Litvinov, Yury A (GSI Helmholtzzentrum für Schwerionenforschung GmbH, Germany) ; Lunney, David (Université Paris-Saclay, CNRS/IN2P3, IJCLab, France) et al.
CERN-INTC-2024-061 ; INTC-P-716.
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2024.
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Precise mass measurements of light and heavy neutron-rich noble-gas isotopes for nuclear structure studies
/ Lange, Daniel (Max-Planck-Institute for Nuclear Physics, 69117 Heidelberg, Germany) ; Atanasov, Dinko (Studiecentrum voor Kernenergie SCK-CEN, 2400 Mol, Belgium) ; Benhatchi, Maroua (Université Paris-Saclay, CNRS/IN2P3, 91405 Orsay, France) ; Blaum, Klaus (Max-Planck-Institute for Nuclear Physics, 69117 Heidelberg, Germany) ; Cakirli, Rabia Burcu (Department of Physics, Istanbul University, 34134 Turkey + Max-Planck-Institute for Nuclear Physics, 69117 Heidelberg, Germany) ; Giesel, Paul Florian (Universität Greifswald, Institut für Physik, 17489 Greifswald, Germany) ; Litvinov, Yury A (GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany) ; Lunney, David (Université Paris-Saclay, CNRS/IN2P3, 91405 Orsay, France) ; Manea, Vladimir (Université Paris-Saclay, CNRS/IN2P3, 91405 Orsay, France) ; Naimi, Sarah (Université Paris-Saclay, CNRS/IN2P3, 91405 Orsay, France) et al.
CERN-INTC-2024-060 ; INTC-P-715.
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2024.
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Simulations of a cryogenic, buffer-gas filled Paul trap for low-emittance ion bunches
/ Lechner, S (CERN ; Vienna, Tech. U. ; McGill U.) ; Sels, S (CERN) ; Belosevic, I (TRIUMF) ; Buchinger, F (McGill U.) ; Fischer, P (Greifswald U.) ; Kanitz, C (Erlangen - Nuremberg U.) ; Lagaki, V (CERN ; Greifswald U.) ; Maier, F M (CERN ; Greifswald U.) ; Plattner, P (CERN ; Innsbruck U.) ; Schweikhard, L (Greifswald U.) et al.
Many experiments with pulsed ion beams benefit from or even require ion bunches with both small temporal width as well as small energy spread. To achieve optimal ion-beam preparation, a buffer-gas filled cryogenic Paul trap is being developed in the context of the Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy (MIRACLS). [...]
2024 - 13 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1065 (2024) 169471
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Testing the mass separation capabilities of the new ISOLDE isobar separator
/ Nies, L (CERN, Switzerland) ; Fischer, P (University of Greifswald, Germany) ; Giesel, P F (University of Greifswald, Germany) ; Lange, D (MPIK, Germany) ; Lechner, S (CERN, Switzerland) ; Maier, F M (FRIB, USA) ; Malbrunot-Ettenauer, S (TRIUMF, Canada) ; Roitman, A (McGill University, Canada) ; Schmidt, A (Technical University of Darmstadt, Germany) ; Schweikhard, L (University of Greifswald, Germany) et al.
CERN-INTC-2024-043 ; INTC-I-279.
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2024.
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A multi-reflection time-of-flight mass spectrometer for the offline ion source of the PUMA experiment
/ Schlaich, M. (Darmstadt, Tech. Hochsch.) ; Fischer, J. (Darmstadt, Tech. Hochsch.) ; Fischer, P. (Greifswald U.) ; Klink, C. (Darmstadt, Tech. Hochsch.) ; Obertelli, A. (Darmstadt, Tech. Hochsch.) ; Schmidt, A. (Darmstadt, Tech. Hochsch.) ; Schweikhard, L. (Greifswald U.) ; Wienholtz, F. (Darmstadt, Tech. Hochsch.)
The antiProton Unstable Matter Annihilation experiment (PUMA) at CERN aims at investigating the nucleon composition in the matter density tail of radioactive as well as stable isotopes by use of low-energy antiproton-nucleon annihilation processes. For this purpose, antiprotons provided by the Extra Low ENergy Antiproton (ELENA) facility will be trapped together with the ions of interest. [...]
arXiv:2311.16150.-
2023-10-31 - 9 p.
- Published in : Int. J. Mass Spectrometry 495 (2024) 117166
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Deformation versus Sphericity in the Ground States of the Lightest Gold Isotopes
/ Cubiss, J G (York U., England) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Barzakh, A E (Unlisted) ; Van Duppen, P (KU Leuven, Dept. Phys. Astron.) ; Hilaire, S (CEA DAM) ; Péru, S (CEA DAM) ; Goriely, S (Brussels U., IAA) ; Al Monthery, M (York U., England) ; Althubiti, N A (Manchester U. ; Al Jouf U. ; Ain Shames U.) ; Andel, B (Comenius U.) et al.
The changes in mean-squared charge radii of neutron-deficient gold nuclei have been determined using the in-source, resonance-ionization laser spectroscopy technique, at the ISOLDE facility (CERN). From these new data, nuclear deformations are inferred, revealing a competition between deformed and spherical configurations. [...]
2023 - 8 p.
- Published in : Phys. Rev. Lett. 131 (2023) 202501
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Further evidence for shape coexistence in $^{79}$Zn$^{m}$ near doubly-magic $^{78}$Ni
/ Nies, L. (CERN ; Greifswald U.) ; Canete, L. (Jyvaskyla U. ; Surrey U.) ; Dao, D.D. (Strasbourg, IPHC) ; Giraud, S. (GANIL) ; Kankainen, A. (Jyvaskyla U.) ; Lunney, D. (IJCLab, Orsay) ; Nowacki, F. (Strasbourg, IPHC) ; Bastin, B. (GANIL) ; Stryjczyk, M. (Jyvaskyla U.) ; Ascher, P. (LP2I, Bordeaux) et al.
Isomers close to doubly-magic $^{78}_{28}$Ni$_{50}$ provide essential information on the shell evolution and shape coexistence near the ${Z=28}$ and ${N=50}$ double shell closure. We report the excitation energy measurement of the $1/2^{+}$ isomer in $^{79}_{30}$Zn$_{49}$ through independent high-precision mass measurements with the JYFLTRAP double Penning trap and with the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer. [...]
arXiv:2310.16915.-
2023-11-30 - 10 p.
- Published in : Phys. Rev. Lett.
- Published in : Phys. Rev. Lett.
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Increased beam energy as a pathway towards a highly selective and high-flux MR-ToF mass separator
/ Maier, F M (CERN ; Greifswald U.) ; Buchinger, F (McGill U.) ; Croquette, L (McGill U.) ; Fischer, P (Greifswald U.) ; Heylen, H (CERN) ; Hummer, F (CERN ; McGill U.) ; Kanitz, C (CERN) ; Kwiatkowski, A A (TRIUMF) ; Lagaki, V (CERN) ; Lechner, S (CERN ; McGill U.) et al.
Many experiments at radioactive ion beam (RIB) facilities suffer from isobaric contamination, i.e. unwanted
ions of similar mass. [...]
2023 - 17 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1056 (2023) 168545
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Isomeric excitation energy for $^{99}$In$^{m}$ from mass spectrometry reveals constant trend next to doubly magic $^{100}$Sn
/ Nies, L. (CERN ; Greifswald U.) ; Atanasov, D. (CERN) ; Athanasakis-Kaklamanakis, M. (CERN ; Leuven U.) ; Au, M. (CERN ; Mainz U.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Dobaczewski, J. (Warsaw U.) ; Hu, B.S. (TRIUMF) ; Holt, J.D. (TRIUMF ; McGill U.) ; Karthein, J. (MIT) ; Kulikov, I. (Darmstadt, GSI) et al.
The excitation energy of the 1/2$^-$ isomer in $^{99}$In at ${N=50}$ is measured to be 671(37) keV and the mass uncertainty of the 9/2$^+$ ground state is significantly reduced using the ISOLTRAP mass spectrometer at ISOLDE/CERN. The measurements exploit a major improvement in the resolution of the multi-reflection time-of-flight mass spectrometer. [...]
arXiv:2306.02033.-
2023-07-14 - 13 p.
- Published in : Phys. Rev. Lett. 131 (2023) 022502
Fulltext: 2306.02033 - PDF; Publication - PDF;
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