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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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Electromagnetic properties of indium isotopes illuminate the doubly magic character of $^{100}$Sn
/ Karthein, J. (MIT) ; Ricketts, C.M. (Manchester U.) ; Garcia Ruiz, R.F. (MIT ; Manchester U. ; CERN) ; Billowes, J. (Manchester U.) ; Binnersley, C.L. (Manchester U.) ; Cocolios, T.E. (Leuven U.) ; Dobaczewski, J. (York U., England ; Warsaw U.) ; Farooq-Smith, G.J. (Leuven U.) ; Flanagan, K.T. (Manchester U.) ; Georgiev, G. (IJCLab, Orsay) et al.
Our understanding of nuclear properties in the vicinity of $^{100}$Sn, suggested to be the heaviest doubly magic nucleus with equal numbers of protons (Z=50) and neutrons (N=50), has been a long-standing challenge for experimental and theoretical nuclear physics. Contradictory experimental evidence exists on the role of nuclear collectivity in this region of the nuclear chart. [...]
arXiv:2310.15093.-
2024-09-30 - 20 p.
- Published in : Nature Phys. 20 (2024) 1719-1725
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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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The present and future of QCD
/ Achenbach, P. (Jefferson Lab) ; Adhikari, D. (Virginia Tech.) ; Afanasev, A. (George Washington U. ; Jefferson Lab) ; Afzal, F. (Bonn U., HISKP ; Bonn U.) ; Aidala, C.A. (Michigan U.) ; Al-bataineh, A. (Jordan U. Sci. Tech. ; Yarmouk U. ; Kansas U.) ; Almaalol, D.K. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Amaryan, M. (Old Dominion U. ; Old Dominion U. (main)) ; Androić, D. (Zagreb U.) ; Armstrong, W.R. (Argonne ; Argonne, PHY) et al.
This White Paper presents the community inputs and scientific conclusions from the Hot and Cold QCD Town Meeting that took place September 23-25, 2022 at MIT, as part of the Nuclear Science Advisory Committee (NSAC) 2023 Long Range Planning process. A total of 424 physicists registered for the meeting. [...]
arXiv:2303.02579; JLAB-PHY-23-3808.-
2024-04-15 - 111 p.
- Published in : Nucl. Phys. A 1047 (2024) 122874
Fulltext: 2303.02579 - PDF; Publication - PDF; External link: JLab Document Server
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Opportunities for Fundamental Physics Research with Radioactive Molecules
/ Arrowsmith-Kron, Gordon (Michigan State U.) ; Athanasakis-Kaklamanakis, Michail (CERN ; Leuven U.) ; Au, Mia (CERN ; Mainz U.) ; Ballof, Jochen (CERN ; Michigan State U.) ; Berger, Robert (Philipps U. Marburg) ; Borschevsky, Anastasia (U. Groningen, VSI) ; Breier, Alexander A. (Kassel U.) ; Buchinger, Fritz (McGill U.) ; Budker, Dmitry (Darmstadt, GSI ; UC, Berkeley) ; Caldwell, Luke (JILA, Boulder ; U. Colorado, Boulder ; Colorado U.) et al.
Molecules containing short-lived, radioactive nuclei are uniquely positioned to enable a wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics, nuclear structure, and chemistry. Recent advances in the ability to create, cool, and control complex molecules down to the quantum level, along with recent and upcoming advances in radioactive species production at several facilities around the world, create a compelling opportunity to coordinate and combine these efforts to bring precision measurement and control to molecules containing extreme nuclei. [...]
arXiv:2302.02165.-
2024-07-12 - 119 p.
- Published in : Rep. Prog. Phys. 87 (2024) 084301
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Closing in on $^{100}$Sn: Mass Measurements of the Neutron Deficient N=51-53 Tin Isotopes
/ Nies, L (CERN/University of Greifswald (DE)) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Huang, W J (Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516003, China) ; Karthein, J (Massachusetts Institute of Technology, Cambridge MA 02139, USA) ; Litvinov, Yu A (GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany) ; Lunney, D (Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France) ; Manea, V (Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France) ; Mougeot, M (Heidelberg, Max Planck Inst.) ; Naimi, S (Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France and RIKEN, Japan) ; Schweiger, Ch (Heidelberg, Max Planck Inst.) et al.
CERN-INTC-2022-031 ; INTC-P-637.
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2022.
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Mass measurements of $^{99-101}$In challenge ab initio nuclear theory of the nuclide $^{100}$Sn
/ Mougeot, M. (Heidelberg, Max Planck Inst. ; CERN) ; Atanasov, D. (CERN) ; Karthein, J. (Heidelberg, Max Planck Inst. ; CERN) ; Wolf, R.N. (Sydney U.) ; Ascher, P. (CENBG, Gradignan) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Chrysalidis, K. (CERN) ; Hagen, G. (Tennessee U. ; Oak Ridge) ; Holt, J.D. (TRIUMF ; McGill U.) ; Huang, W.J. (Heidelberg, Max Planck Inst.) et al.
$^{100}$Sn is of singular interest for nuclear structure. Its closed-shell proton and neutron configuration exhibit exceptional binding and $^{100}$Sn is the heaviest nucleus comprising protons and neutrons in equal number, a feature that enhances the contribution of the short-range, proton-neutron pairing interaction and strongly influences its decay via the weak interaction. [...]
arXiv:2109.10673.-
2021 - 12 p.
- Published in : Nature Phys. 17 (2021) 1099
Fulltext: 2109.10673 - PDF; s41567-021-01326-9 - PDF;
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Improved stability of multi-reflection time-of-flight mass spectrometers through passive and active voltage stabilization
/ Wienholtz, F (CERN ; Greifswald U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Karthein, J (CERN ; Leuven U.) ; Lunney, D (CSNSM, Orsay) ; Malbrunot-Ettenauer, S (CERN) ; Manea, V (Leuven U.) ; Mougeot, M (CSNSM, Orsay) ; Schweikhard, L (Greifswald U.) ; Steinsberger, T (Heidelberg, Max Planck Inst.) ; Wolf, R N (Sydney U.)
Multi-reflection time-of-flight (MR-ToF) spectrometers are devices in which ions are reflected between two electrostatic mirrors to prolong their flight path. The performance of the apparatus relies on the stability of the voltages that are used to define the mirror potentials. [...]
2020 - 9 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 348-356
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.348-356
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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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Analysis methods and code for very high-precision mass measurements of unstable isotopes
/ Karthein, Jonas (CERN ; Heidelberg, Max Planck Inst.) ; Atanasov, Dinko (CERN) ; Blaum, Klaus (Heidelberg, Max Planck Inst.) ; Lunney, David (IJCLab, Orsay) ; Manea, Vladimir (IJCLab, Orsay) ; Mougeot, Maxime (CERN)
We present a robust analysis code developed in the Python language and incorporating libraries of the ROOT data analysis framework for the state-of-the-art mass spectrometry method called phase-imaging ion-cyclotron-resonance (PI-ICR). A step-by-step description of the dataset construction and analysis algorithm is given. [...]
arXiv:2102.10413.-
2021-10 - 14 p.
- Published in : Comput. Phys. Commun. 267 (2021) 108070
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