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Laser spectroscopy of neutron-rich $^{207,208}$Hg isotopes: Illuminating the kink and odd-even staggering in charge radii across the $N=126$ shell closure
/ Day Goodacre, T. (Manchester U. ; CERN ; TRIUMF) ; Afanasjev, A.V. (Mississippi State U.) ; Barzakh, A.E. (St. Petersburg, INP) ; Marsh, B.A. (CERN) ; Sels, S. (CERN ; Leuven U.) ; Ring, P. (Munich, Tech. U.) ; Nakada, H. (Chiba U.) ; Andreyev, A.N. (York U., England ; JAERI, Tokai) ; Van Duppen, P. (Leuven U.) ; Althubiti, N.A. (Manchester U. ; Al Jouf U.) et al.
The mean-square charge radii of $^{207,208}$Hg ($Z=80, N=127,128$) have been studied for the first time and those of $^{202,203,206}$Hg ($N=122,123,126$) remeasured by the application of in-source resonance-ionization laser spectroscopy at ISOLDE (CERN). The characteristic \textit{kink} in the charge radii at the $N=126$ neutron shell closure has been revealed, providing the first information on its behavior below the $Z=82$ proton shell closure. [...]
arXiv:2012.13802.-
2021-01-23 - 7 p.
- Published in : Phys. Rev. Lett. 126 (2021) 032502
Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
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High-resolution laser spectroscopy of nickel isotopes
/ Cheal, Bradley (School of Physics and Astronomy, University of Manchester, Manchester, M13 9PL) ; Billowes, Jon (School of Physics and Astronomy, University of Manchester, Manchester, M13 9PL) ; Bissell, Mark (Instituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, Belgium) ; Blaum, Klaus (Max Planck Institute for Nuclear Physics, Saupfercheckweg 1, 69117 Heidelberg, Germany) ; Campbell, Paul (School of Physics and Astronomy, University of Manchester, Manchester, M13 9PL) ; Flanagan, Kieran (School of Physics and Astronomy, University of Manchester, Manchester, M13 9PL) ; Garcia-Ruiz, Ronald (Instituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, Belgium) ; Geppert, Christopher (GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany) ; Heylen, Hanne (Instituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, Belgium) ; Kowalska, Magda (Physics Department, CERN, CH-1211 Geneva 23, Switzerland) et al.
CERN-INTC-2013-007 ; INTC-P-373.
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2013.
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Charge radii, moments, and masses of mercury isotopes across the $N=126$ shell closure
/ Goodacre, T. Day (Manchester U. ; TRIUMF ; CERN) ; Afanasjev, A.V. (Mississippi State U.) ; Barzakh, A.E. (St. Petersburg, INP) ; Nies, L. (CERN ; Greifswald U.) ; Marsh, B.A. (CERN) ; Sels, S. (CERN ; Leuven U.) ; Perera, U.C. (Mississippi State U.) ; Ring, P. (Munich, Tech. U.) ; Wienholtz, F. (CERN ; Greifswald U.) ; Andreyev, A.N. (York U., England ; JAERI, Tokai) et al.
Combining laser spectroscopy in a Versatile Arc Discharge and Laser Ion Source, with Penning-trap mass spectrometry at the CERN-ISOLDE facility, this work reports on mean-square charge radii of neutron-rich mercury isotopes across the $N = 126$ shell closure, the electromagnetic moments of $^{207}$Hg and more precise mass values of $^{206-208}$Hg. The odd-even staggering (OES) of the mean square charge radii and the kink at $N = 126$ are analyzed within the framework of covariant density functional theory (CDFT), with comparisons between different functionals to investigate the dependence of the results on the underlying single-particle structure. [...]
arXiv:2111.10468.-
2021-11-30 - 20 p.
- Published in : Phys. Rev. C 104 (2021) 054322
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Isotope Shifts of Radium Monofluoride Molecules
/ Udrescu, S.M. (MIT) ; Brinson, A.J. (MIT) ; Ruiz, R.F. Garcia (MIT ; CERN) ; Gaul, K. (Philipps U. Marburg) ; Berger, R. (Philipps U. Marburg) ; Billowes, J. (Manchester U.) ; Binnersley, C.L. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Breier, A.A. (Kassel U.) ; Chrysalidis, K. (CERN) et al.
Isotope shifts of $^{223-226,228}$Ra$^{19}$F were measured for different vibrational levels in the electronic transition $A^{2}{}{\Pi}_{1/2}\leftarrow X^{2}{}{\Sigma}^{+}$. The observed isotope shifts demonstrate the particularly high sensitivity of radium monofluoride to nuclear size effects, offering a stringent test of models describing the electronic density within the radium nucleus. [...]
arXiv:2105.10549.-
2021-07-14 - 7 p.
- Published in : Phys. Rev. Lett. 127 (2021) 033001
Fulltext: 2105.10549 - PDF; PhysRevLett.127.033001 - PDF; Fulltext from publisher: PDF;
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Collinear laser spectroscopy with the COLLAPS setup
/ Bissell, Mark (Instituut voor Kern- en Stralingsfysika, KU Leuven, B-3001 Leuven, Belgium) ; Blaum, Klaus (Max-Planck-Institut für Kernphysik, D-69117 Heidelberg, Germany) ; Budincevic, Ivan (Instituut voor Kern- en Stralingsfysika, KU Leuven, B-3001 Leuven, Belgium) ; Gorges, Christian (Institut für Kernphysik, TU Darmstadt, D-64289 Darmstadt, Germany) ; de Groote, Ruben (Instituut voor Kern- en Stralingsfysika, KU Leuven, B-3001 Leuven, Belgium) ; Garcia Ruiz, Ronald (Instituut voor Kern- en Stralingsfysika, KU Leuven, B-3001 Leuven, Belgium) ; Geppert, Christopher (Institut für Kernphysik, TU Darmstadt, D-64289 Darmstadt, Germany) ; Hammen, Michael (Institut für Kernchemie, Universität Mainz, D-55128 Mainz, Germany) ; Heylen, Hanne (Instituut voor Kern- en Stralingsfysika, KU Leuven, B-3001 Leuven, Belgium) ; Kaufmann, Simon (Institut für Kernphysik, TU Darmstadt, D-64289 Darmstadt, Germany) et al.
CERN-INTC-2014-019 ; INTC-SR-033.
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2014.
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Laser spectroscopy of gallium isotopes using the ISCOOL RFQ cooler.
/ Billowes, J (Schuster, The University of Manchester, Brunswick St, Manchester, M13 9PL, UK) ; Bissell, ML (Instituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, Belgium) ; Blaum, K (Max-Planck-Institut für Kernphysik, D-69117 Heidelberg, Germany) ; Cheal, B (Schuster, The University of Manchester, Brunswick St, Manchester, M13 9PL, UK) ; Flanagan, KT (Schuster, The University of Manchester, Brunswick St, Manchester, M13 9PL, UK) ; Forest, DH (School of Physics, The University of Birmingham, Birmingham, B15 2TT, UK) ; Geppert, C (GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany) ; Kowalska, M (Physics Department, CERN, CH-1211 Geneva 23, Switzerland) ; Kreim, K (Max-Planck-Institut für Kernphysik, D-69117 Heidelberg, Germany) ; Moore, ID (Dept. of Physics, University of Jyväskylä, PB35 (YFL) FIN-40014 Jyväskylä, Finland) et al.
CERN-INTC-2010-004 ; INTC-P-224-ADD-1.
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2010.
Original Document (INTC-P-224) - Fulltext
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Beta-asymmetry measurements in nuclear beta-decay as a probe for non-Standard Model physics
/ Severijns, N (Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium) ; Wauters, F (Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium) ; De Leebeeck, V (Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium) ; Golovko, VV (Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium) ; Herzog, P (Helmholtz-Institut für Strahlen- und Kernphysik , Universität Bonn, D-53115 Bonn, Germany) ; Koster, U (ISOLDE - CERN, PH-UIS, CH-1211, Geneva 23, Switzerland) ; Kozlov, VYu (Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium) ; Kraev, IS (Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium) ; Tandecki, M (Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium) ; Tramm, C (Helmholtz-Institut für Strahlen- und Kernphysik , Universität Bonn, D-53115 Bonn, Germany) et al.
CERN-INTC-2010-016 ; INTC-SR-018.
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2010.
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Analytic Response Relativistic Coupled-Cluster Theory: The first application to indium isotope shifts
/ Sahoo, B.K. (Ahmedabad, Phys. Res. Lab) ; Vernon, A.R. (Manchester U. ; Leuven U.) ; Garcia Ruiz, R.F. (CERN ; MIT) ; Binnersley, C.L. (Manchester U.) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (Manchester U.) ; Cocolios, T.E. (Leuven U.) ; Farooq-Smith, G.J. (Leuven U.) ; Flanagan, K.T. (Manchester U. ; U. Manchester (main)) ; Gins, W. (Leuven U.) et al.
With increasing demand for accurate calculation of isotope shifts of atomic systems for fundamental and nuclear structure research, an analytic energy derivative approach is presented in the relativistic coupled-cluster theory framework to determine the atomic field shift and mass shift factors. This approach allows the determination of expectation values of atomic operators, overcoming fundamental problems that are present in existing atomic physics methods, i.e. [...]
arXiv:1911.02812.-
2020-01-14 - 13 p.
- Published in : New J. Phys. 22 (2020) 012001
Fulltext: fulltext1763769 - PDF; 1911.02812 - PDF;
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Measurement of the $\beta$-asymmetry parameter in the decay of $^{133}$Xe.
/ Soti, G (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium) ; Wauters, F (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium) ; Breitenfeldt, M (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium and CERN, 1211 Geneva, Switzerland) ; Köster, U (Institut Laue Langevin, F-38042 Grenoble Cedex 9) ; De Leebeeck, V (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium) ; Roccia, S (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium) ; Tandecki, M (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium) ; Van Gorp, S (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium) ; Zákoucký, D (Nuclear Physics Institute, ASCR, 250 68 Rez, Czech Republic) ; Severijns, N (K. U. Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven, Belgium)
CERN-INTC-2011-014 ; INTC-P-298.
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2011.
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Nuclear quadrupole moments and charge radii of the $_{51}$Sb isotopes via collinear laser spectroscopy
/ Xu, Zhengyu (KU Leuven, Instituut voor Kern-en Stralingsfysica, B-3001 Leuven, Belgium) ; Yordanov, Deyan (Institute de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, Université Paris-Saclay, 91406 Orsay, France) ; Balabanski, dimiter (ELI-NP, Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, 077125 Magurele, Romania) ; Billowes, Jonathan (School of Physics and Astronomy, The University of Manchester, Manchester, M13 9PL, UK) ; Bissell, Mark (School of Physics and Astronomy, The University of Manchester, Manchester, M13 9PL, UK) ; Blaum, Klaus (Max-Plank-Institut für Kernphysik, D-69117 Heidelberg, Germany) ; Cheal, Bradley (Oliver Lodge Laboratory, Oxford Street, University of Liverpool, L69 7ZE, United Kingdom) ; Malbrunot, Stephan (Physics Department, CERN, CH-1211 Geneva 23, Switzerland) ; Franchoo, Serge (Institute de Physique Nucléaire, CNRS-IN2P3, Université Paris-Sud, Université Paris-Saclay, 91406 Orsay, France) ; Garcia Ruiz, Ronald Fernando (School of Physics and Astronomy, The University of Manchester, Manchester, M13 9PL, UK) et al.
CERN-INTC-2016-054 ; INTC-P-484.
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2016.
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