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Extending the low-<math><mi>Z</mi></math> “border” of the <math><mrow><mi>A</mi><mo>=</mo><mn>100</mn></mrow></math> region of deformation with precision mass spectrometry of <math><mmultiscripts><mi>Kr</mi><mprescripts/><none/><mrow><mn>96</mn><mo>−</mo><mn>98</mn></mrow></mmultiscripts></math>
/ Lunney, D. (IJCLab, Orsay) ; Manea, V. (IJCLab, Orsay ; Heidelberg, Max Planck Inst. ; CERN) ; Mougeot, M. (IJCLab, Orsay ; Heidelberg, Max Planck Inst. ; CERN) ; Nies, L. (CERN ; Greifswald U.) ; Althubiti, N.A. (Al Jouf U. ; Manchester U.) ; Atanasov, D. (Heidelberg, Max Planck Inst.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Herlert, A. (FAIR, Darmstadt) ; Huang, W.-J. (IJCLab, Orsay) ; Karthein, J. (Heidelberg, Max Planck Inst. ; CERN) et al.
The onset of collective nuclear behavior in the ${N=60}$, ${A\sim100}$, region is examined through high-precision mass measurements of $^{96-98}$Kr, performed with the ISOLTRAP mass spectrometer at ISOLDE, CERN. Our results for $^{96-97}$Kr agree with previous measurements, with our new $^{97}$Kr Penning-trap mass value three times more precise. [...]
arXiv:2509.05538.-
2025-09-05 - 11 p.
- Published in : Phys. Rev. C
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Coherent spectroscopy with a single antiproton spin
/ BASE Collaboration
Coherent quantum transition spectroscopy is a powerful tool in metrology, quantum information processing, magnetometry and precision tests of the standard model. It was applied with great success in proton and deuteron magnetic moment measurements, which culminated in maser spectroscopy with sub-parts-per-trillion resolution and many other experiments at the forefront of physics. [...]
2025 - 11 p.
Fulltext from Publisher: PDF; External link: Interactions.org
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Proton transport from the antimatter factory of CERN
/ Leonhardt, M (Heinrich Heine U., Dusseldorf ; Wako, RIKEN) ; Schweitzer, D (Heinrich Heine U., Dusseldorf ; Mainz U., Inst. Phys.) ; Abbass, F (Heinrich Heine U., Dusseldorf ; Mainz U., Inst. Phys.) ; Anjum, K K (Darmstadt, GSI) ; Arndt, B (Darmstadt, GSI ; Heidelberg, Max Planck Inst.) ; Erlewein, S (Heinrich Heine U., Dusseldorf ; CERN) ; Endoh, S (Wako, RIKEN ; U. Tokyo (main)) ; Geissler, P (Wako, RIKEN) ; Imamura, T (Leibniz U., Hannover ; Braunschweig, Phys. Tech. Bund.) ; Jäger, J I (Heidelberg, Max Planck Inst. ; CERN) et al.
Precision measurements using low-energy antiprotons, exclusively available at the antimatter factory (AMF) of CERN$^{1}$, offer stringent tests of charge–parity–time (CPT) invariance, which is a fundamental symmetry in the Standard Model of particle physics$^{2}$. These tests have been realized, for example, in antiprotonic helium$^{3}$ and antihydrogen$^{4}$. [...]
2025 - 10 p.
- Published in : Nature 641 (2025) 871-875
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Charge radii measurements of exotic tin isotopes in the proximity of $N=50$ and $N=82$
/ Gustafsson, F.P. (KU Leuven, Dept. Phys. Astron. ; CERN) ; Rodríguez, L.V. (Heidelberg, Max Planck Inst. ; CERN ; IJCLab, Orsay) ; Garcia Ruiz, R.F. (MIT ; Manchester U. ; CERN) ; Miyagi, T. (Tsukuba U., RCCP ; Darmstadt, Tech. U. ; Darmstadt, EMMI ; Heidelberg, Max Planck Inst.) ; Bai, S.W. (Peking U., SKLNPT) ; Balabanski, D.L. (Bucharest, IFIN-HH) ; Binnersley, C.L. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Cheal, B. (Liverpool U.) et al.
We report nuclear charge radii for the isotopes $^{104-134}$Sn, measured using two different collinear laser spectroscopy techniques at ISOLDE-CERN. [...]
arXiv:2504.17060.
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Charge radii of neutron-rich scandium isotopes and the seniority symmetry in the $0f_{7/2}$ shell
/ Bai, S.W. (Peking U., SKLNPT) ; Yang, X.F. (Peking U., SKLNPT) ; Koszorús, Á. (Leuven U.) ; Berengut, J.C. (New South Wales U.) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Borschevsky, A. (Groningen U.) ; Campbell, P. (Manchester U.) ; Cheal, B. (Liverpool U.) et al.
Nuclear charge radii of neutron-rich $^{47-49}$Sc isotopes were measured using collinear laser spectroscopy at CERN-ISOLDE. The new data reveal that the charge radii of scandium isotopes exhibit a distinct trend between $N=20$ and $N=28$, with $^{41}$Sc and $^{49}$Sc isotopes having similar values, mirroring the closeness of the charge radii of $^{40}$Ca and $^{48}$Ca. [...]
arXiv:2504.12001.-
2025-05-07 - 7 p.
- Published in : Phys. Rev. Lett. 134 (2025) 182501
Fulltext: 2504.12001 - PDF; publication - PDF;
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Mass measurements of neutron-rich Ag isotopes to the astrophysical r-process waiting point
/ 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 + TU 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-2025-030 ; INTC-P-742.
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2025 - mult..
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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. The mass uncertainty of $^{103}$Sn was reduced by a factor of 4, and the new value for the mass excess of -67104(18) keV is compared with nuclear \textit{ab initio} and density functional theory calculations. [...]
arXiv:2410.17995.-
2025-01-09 - 11 p.
- Published in : Phys. Rev. C 111 (2025) 014315
Fulltext: 2410.17995 - PDF; Publication - PDF;
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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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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 - mult..
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