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Title: Laser Spectroscopy of Neutron-Rich Tin Isotopes: A Discontinuity in Charge Radii across the N = 82 Shell Closure

Journal Article · · Physical Review Letters
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [12];  [13];  [14];  [15];  [12];  [16];  [17];  [18];  [11] more »;  [12];  [19];  [20];  [21];  [12];  [22];  [6];  [4];  [11];  [23];  [8] « less
  1. Technische Univ. Darmstadt (Germany); Univ. Mainz (Germany)
  2. Univ. Paris-Saclay, Orsay (France); Max-Planck-Inst. für Kernphysik, Heidelberg (Germany)
  3. Horia Hulubei National Inst. for R&D in Physics and Nuclear Engineering, Magurele (Romania)
  4. Univ. of Manchester (United Kingdom)
  5. Max-Planck-Inst. für Kernphysik, Heidelberg (Germany)
  6. Univ. of Liverpool (United Kingdom)
  7. KU Leuven (Belgium); European Organization for Nuclear Research (CERN), Geneva (Switzerland); Univ. of Manchester (United Kingdom)
  8. Univ. Paris-Saclay, Orsay (France)
  9. KU Leuven (Belgium); Univ. of Jyväskylä (Finland)
  10. Max-Planck-Inst. für Kernphysik, Heidelberg (Germany); European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  11. KU Leuven (Belgium)
  12. Technische Univ. Darmstadt (Germany)
  13. European Organization for Nuclear Research (CERN), Geneva (Switzerland); Univ. de Geneve (Switzerland)
  14. European Organization for Nuclear Research (CERN), Geneva (Switzerland); Univ. Greifswald (Germany)
  15. European Organization for Nuclear Research (CERN), Geneva (Switzerland); Technische Universität Wien (Austria)
  16. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  17. Michigan State Univ., East Lansing, MI (United States)
  18. Univ. Mainz (Germany); Max-Planck-Inst. für Kernphysik, Heidelberg (Germany)
  19. Univ. Erlangen-Nürnberg (Germany)
  20. Technische Univ. München (Germany)
  21. GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt (Germany)
  22. Univ. Mainz (Germany)
  23. KU Leuven (Belgium); Peking Univ., Beijing (China)
+ Show Author Affiliations

The change in mean-square nuclear charge radii δ < r2 > along the even-A tin isotopic chain 108–134Sn has been investigated by means of collinear laser spectroscopy at ISOLDE/CERN using the atomic transitions 5p2 1S0 → 5p6 s1P1 and 5p2 3P0 → 5p6s 3P1. With the determination of the charge radius of 134Sn and corrected values for some of the neutron-rich isotopes, the evolution of the charge radii across the N = 82 shell closure is established. A clear kink at the doubly magic 132Sn is revealed, similar to what has been observed at N = 82 in other isotopic chains with larger proton numbers, and at the N = 126 shell closure in doubly magic 208Pb. While most standard nuclear density functional calculations struggle with a consistent explanation of these discontinuities, we demonstrate that a recently developed Fayans energy density functional provides a coherent description of the kinks at both doubly magic nuclei, 132Sn and 208Pb, without sacrificing the overall performance. A multiple correlation analysis leads to the conclusion that both kinks are related to pairing and surface effects.

Research Organization:
Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC); USDOE
Grant/Contract Number:
SC0013365; SC0018083
OSTI ID:
1513045
Alternate ID(s):
OSTI ID: 1611980
Journal Information:
Physical Review Letters, Vol. 122, Issue 19; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 72 works
Citation information provided by
Web of Science

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Cited By (12)

Analytic response relativistic coupled-cluster theory: the first application to indium isotope shifts journal January 2020
Irregularities in nuclear radii at magic numbers journal October 2019
Search for octupole-deformed actinium isotopes using resonance ionization spectroscopy journal October 2019
Beyond the charge radius: The information content of the fourth radial moment journal February 2020
Early Signal of Emerging Nuclear Collectivity in Neutron-Rich Sb 129 journal January 2020
First Glimpse of the N = 82 Shell Closure below Z = 50 from Masses of Neutron-Rich Cadmium Isotopes and Isomers journal March 2020
Irregularities in nuclear radii at magic numbers text January 2019
Analytic Response Relativistic Coupled-Cluster Theory: The first application to indium isotope shifts text January 2019
Properties of exotic nuclei and their linkage to the nucleonic interaction text January 2019
Analytic Response Relativistic Coupled-Cluster Theory: The first application to indium isotope shifts text January 2019
Emergence of simple patterns in many-body systems: from macroscopic objects to the atomic nucleus text January 2019
Nuclear charge densities in spherical and deformed nuclei: towards precise calculations of charge radii text January 2021

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
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