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Title: First determination of ground state electromagnetic moments of Fe 53

Journal Article · · Physical Review C
 [1];  [1];  [2];  [3];  [1];  [3];  [1];  [4]; ORCiD logo [5];  [2];  [1];  [6];  [2];  [7];  [1]
  1. Michigan State Univ., East Lansing, MI (United States)
  2. Technische Univ. Darmstadt, Darmstadt (Germany)
  3. Helmholtz-Institut Jena, Jena (Germany); Friedrich-Schiller-Univ. Jena, Jena (Germany)
  4. Augustana Uiv., Sioux Falls, SD (United States)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  6. Argonne National Lab. (ANL), Lemont, IL (United States)
  7. TRIUMF, Vancouver, BC (Canada)

The hyperfine coupling constants of neutron deficient 53Fe were deduced from the atomic hyperfine spectrum of the 3d64s25D4↔3d64s4p5F5 transition, measured using the bunched-beam collinear laser spectroscopy technique. The low-energy 53Fe beam was produced by projectile-fragmentation reactions followed by gas stopping, and used for the first time for laser spectroscopy. Ground state magnetic-dipole and electric-quadrupole moments were determined as μ=-0.65(1)μN and Q=+35(15)e2fm2, respectively. The multiconfiguration Dirac-Fock method was used to calculate the electric field gradient to deduce Q from the quadrupole hyperfine coupling constant, since the quadrupole coupling constant has not been determined for any Fe isotopes. Both experimental values agree well with nuclear shell model calculations using the GXPF1A effective interaction performed in a full fp shell model space, which support the soft nature of the 56Ni nucleus.

Research Organization:
Michigan State Univ., East Lansing, MI (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP); National Science Foundation (NSF); German Research Foundation (DFG); USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
NA0002924; SC0013365; AC02-06CH11357; AC05-00OR22725
OSTI ID:
1409068
Alternate ID(s):
OSTI ID: 1409124; OSTI ID: 1421974; OSTI ID: 1490592
Journal Information:
Physical Review C, Vol. 96, Issue 5; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

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Figures / Tables (8)


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