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Reduction in Nuclear Size and Quadrupole Deformation of High-Spin Isomers of 127,129In

Journal Article · · Physical Review Letters
DOI:https://doi.org/10.1103/m35x-mw7z· OSTI ID:3004112
 [1];  [2];  [3];  [4];  [5];  [2];  [2];  [6];  [7];  [8];  [7];  [2];  [6];  [9];  [10];  [11];  [12];  [6];  [6];  [13] more »;  [9];  [14];  [15];  [9];  [16];  [13];  [17];  [18];  [19];  [20];  [6];  [10] « less
  1. Univ. of Manchester (United Kingdom); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Katholieke Univ. Leuven (Belgium)
  2. Univ. of Manchester (United Kingdom)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  4. Univ. of Manchester (United Kingdom); European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  5. Univ. of Tsukuba (Japan); Technical Univ. of Darmstadt (Germany); GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany); Max Planck Inst. fuer Kernphysik, Heidelberg (Germany); TRIUMF, Vancouver, BC (Canada)
  6. Katholieke Univ. Leuven (Belgium)
  7. Alternative Energies and Atomic Energy Commission (CEA) (France); Univ. Paris-Saclay (France)
  8. University of York (United Kingdom); Univ. of Warsaw (Poland)
  9. Alternative Energies and Atomic Energy Commission (CEA) (France)
  10. Univ. Paris-Saclay (France)
  11. Katholieke Univ. Leuven (Belgium); Univ. of Jyvaskyla (Finland)
  12. TRIUMF, Vancouver, BC (Canada); McGill Univ., Montreal, QC (Canada)
  13. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  14. Michigan State Univ., East Lansing, MI (United States)
  15. Katholieke Univ. Leuven, Heverlee (Belgium)
  16. Univ. of Erlangen-Nuremberg, Erlangen (Germany)
  17. Physical Research Laboratory (India)
  18. University of Notre Dame, IN (United States)
  19. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  20. Katholieke Univ. Leuven (Belgium); Peking University, Beijing (China)
+ Show Author Affiliations
We employed laser spectroscopy of atomic transitions to measure the nuclear charge radii and electromagnetic properties of the high-spin isomeric states in neutron-rich indium isotopes (𝑍 =49) near the closed proton and neutron shells at 𝑍 = 50 and 𝑁 = 82. Our data reveal a reduction in the nuclear charge radius and intrinsic quadrupole moment when protons and neutrons are fully aligned in 129In ⁢(𝑁 = 80), to form the high spin isomer. Such a reduction is not observed in 127In ⁢(𝑁 = 78), where more complex configurations can be formed by the existence of four neutron holes. These observations are not consistently described by nuclear theory.
Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0013365; SC0021176; SC0023175
OSTI ID:
3004112
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 25 Vol. 134; ISSN 1079-7114; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

high spin states
nuclear charge distribution
nuclear forces
nuclear many-body theory
nuclear radii