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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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First glimpse of the $N=82$ shell closure below $Z=50$ from masses of neutron-rich cadmium isotopes and isomers
/ Manea, V. (CERN ; Heidelberg, Max Planck Inst. ; Leuven U.) ; Karthein, J. (CERN ; Heidelberg, Max Planck Inst.) ; Atanasov, D. (Dresden, Tech. U.) ; Bender, M. (IP2I, Lyon) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Cocolios, T.E. (Leuven U.) ; Eliseev, S. (Heidelberg, Max Planck Inst.) ; Herlert, A. (FAIR, Darmstadt) ; Holt, J.D. (TRIUMF) ; Huang, W.J. (CSNSM, Orsay) et al.
We probe the $N=82$ nuclear shell closure by mass measurements of neutron-rich cadmium isotopes with the ISOLTRAP spectrometer at ISOLDE-CERN. The new mass of $^{132}$Cd offers the first value of the $N=82$, two-neutron shell gap below $Z=50$ and confirms the phenomenon of mutually enhanced magicity at $^{132}$Sn. [...]
arXiv:2001.05075.-
2020-03-05 - 6 p.
- Published in : Phys. Rev. Lett. 124 (2020) 092502
Fulltext: PhysRevLett.124.092502 - PDF; 2001.05075 - PDF;
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Electromagnetic moments of the odd-mass nickel isotopes $^{59-67}$Ni
/ Müller, P. (Darmstadt, Tech. U.) ; Kaufmann, S. (Darmstadt, Tech. U.) ; Miyagi, T. (Darmstadt, Tech. U. ; Heidelberg, Max Planck Inst. ; Darmstadt, EMMI) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Blaum, K. (Darmstadt, EMMI) ; Cheal, B. (Liverpool U.) ; Garcia Ruiz, R.F. (CERN) ; Gins, W. (Leuven U.) ; Gorges, C. (Darmstadt, Tech. U.) et al.
The magnetic dipole and the spectroscopic quadrupole moments of the nuclear ground states in the odd-mass nickel isotopes $^{59-67}$Ni have been determined using collinear laser spectroscopy at the CERN-ISOLDE facility. They are compared to ab initio valence-space in-medium similarity renormalization group (VS-IMSRG) calculations including contributions of two-body currents as well as to shell-model calculations. [...]
arXiv:2405.13668.-
2024-05-22 - 10 p.
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Exploring the evolution of the N = 126 magic number with the masses of neutron-rich gold isotopes
/ Manea, Vladimir (Universite Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France) ; Blaum, Klaus (Max-Planck-Institut fur Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; Lange, Daniel (Max-Planck-Institut fur Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; Litvinov, Yuri (GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany) ; Lunney, David (Universite Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France) ; Mougeot, Maxime (University of Jyvaskyla, P.O. Box 35, FI-40014 University of Jyvaskyla, Finland) ; Naimi, Sarah (Universite Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France) ; Nies, Lukas (CERN, 1211 Geneva 23, Switzerland / Universitat Greifswald, Institut fur Physik, 17487 Greifswald, Germany) ; Schweiger, Christoph (Max-Planck-Institut fur Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; Schweikhard, Lutz (Universitat Greifswald, Institut fur Physik, 17487 Greifswald, Germany) et al.
CERN-INTC-2023-005 ; INTC-P-650.
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2023.
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Measurement of the excitation energy of the 5$^{+}$ isomeric state in $^{128}$Sb for r-process nucleosynthesis
/ Couture, A (Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA) ; Nies, L (CERN, 1211 Geneva 23, Switzerland and Universität Greifswald, Institut für Physik, 17487 Greifswald, Germany) ; Blaum, K (Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; Cakirli, R B (Department of Physics, Istanbul University, 34134, Turkey) ; Casten, R F (Wright Lab, Yale University, New Haven, CT 06520, USA and Michigan State University-FRIB, East Lansing, MI, USA) ; Huang, W J (Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China) ; Karthein, J (Massachusetts Institute of Technology, Cambridge MA 02139, USA) ; Kulikov, I (GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany) ; Litvinov, Yu A (GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany) ; Lunney, D (Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France) et al.
CERN-INTC-2021-044 ; INTC-P-612.
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2021.
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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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Nuclear Charge Radii of the Nickel Isotopes $^{58-68,70}$Ni
/ Malbrunot-Ettenauer, S. (CERN) ; Kaufmann, S. (Darmstadt, Tech. U.) ; Bacca, S. (Mainz U., Inst. Kernchem. ; Helmholtz Inst., Mainz) ; Barbieri, C. (Surrey U. ; Milan U. ; INFN, Milan) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Cheal, B. (Liverpool U.) ; Duguet, T. (IRFU, Saclay) ; Ruiz, R.F. Garcia (CERN ; Manchester U.) et al.
Collinear laser spectroscopy is performed on the nickel isotopes $^{58-68,70}$Ni, using a time-resolved photon counting system. From the measured isotope shifts, nuclear charge radii $R_c$ are extracted and compared to theoretical results. [...]
arXiv:2112.03382.-
2022-01-14 - 8 p.
- Published in : Phys. Rev. Lett. 128 (2022) 022502
Fulltext: PhysRevLett.128.022502 - PDF; 2112.03382 - PDF;
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Precision Mass Measurement of $^{58-63}$Cr: Nuclear Collectivity towards the $N=40$ Island of Inversion
/ Mougeot, M. (CSNSM, Orsay) ; Atanasov, D. (Heidelberg, Max Planck Inst.) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Chrysalidis, K. (CERN) ; Day Goodacre, T. (CERN ; Manchester U.) ; Fedorov, D. (St. Petersburg, INP) ; Fedosseev, V. (CERN) ; George, S. (Heidelberg, Max Planck Inst.) ; Herfurth, F. (Darmstadt, GSI) ; Holt, J.D. (TRIUMF) et al.
The neutron-rich isotopes $^{58-63}$Cr were produced for the first time at the ISOLDE facility and their masses were measured with the ISOLTRAP spectrometer. The new values are up to 300 times more precise than those in the literature and indicate significantly different nuclear structure from the new mass-surface trend. [...]
arXiv:1808.03997.-
2018-06-06 - 7 p.
- Published in : Phys. Rev. Lett. 120 (2018) 232501
Fulltext: PhysRevLett.120.232501 - PDF; 1808.03997 - PDF;
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Q_{EC} value determination of the superallowed $\beta$-decay of {70}^Br
/ Algora, Algora (Instituto de Física Corpuscular IFIC (CSIC-University of Valencia), Valencia, Spain) ; Atanasov, Dinko (Technische Universität Dresden, 01069 Dresden, Germany) ; Blaum, Klaus (Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; George, Sebastian (Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; Herfurth, Frank (GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany) ; Herlert, Alexander (FAIR GmbH, Darmstadt, Germany) ; Karthein, Jonas (Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; Lunney, David (CSNSM-IN2P3-CNRS, Universite Paris-Sud, 91406 Orsay, France) ; Manea, Vladimir (CERN, 1211 Geneva, Switzerland) ; Morales, Anabel (Instituto de Física Corpuscular IFIC (CSIC-University of Valencia), Valencia, Spain) et al.
CERN-INTC-2017-047 ; INTC-P-514.
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2017.
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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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