4.8 Article

Nuclear Spins and Magnetic Moments of 71,73,75Cu: Inversion of π2p3/2 and π1f5/2 Levels in 75Cu

Journal

PHYSICAL REVIEW LETTERS
Volume 103, Issue 14, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.142501

Keywords

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Funding

  1. German Ministry for Education and Research (BMBF) [06TU263I, 06MZ215]
  2. U. K. Science and Technology Facilities Council
  3. FWO-Vlaanderen (Belgium)
  4. EU [Eurons506065, MEIF-CT-2006-042114]
  5. BriX IAP [P6/23]
  6. Helmholtz Association of German Research Centres [VH-NG-037, VH-NG-148]
  7. Engineering and Physical Sciences Research Council [EP/C532988/1] Funding Source: researchfish
  8. Science and Technology Facilities Council [EP/D076439/1, EP/D075769/1, ST/F012071/1] Funding Source: researchfish
  9. STFC [EP/D076439/1, ST/F012071/1, EP/D075769/1] Funding Source: UKRI

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We report the first confirmation of the predicted inversion between the pi 2p(3/2) and pi 1f(5/2) nuclear states in the nu g(9/2) midshell. This was achieved at the ISOLDE facility, by using a combination of in-source laser spectroscopy and collinear laser spectroscopy on the ground states of Cu-71,Cu-73,Cu-75, which measured the nuclear spin and magnetic moments. The obtained values are mu(Cu-71)=+2.2747(8)mu(N), mu(Cu-73)=+1.7426(8)mu(N), and mu(Cu-75)=+1.0062(13)mu(N) corresponding to spins I=3/2 for Cu-71,Cu-73 and I=5/2 for Cu-75. The results are in fair agreement with large-scale shell-model calculations.

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