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g-factors of isomeric states in the neutron-rich nuclei

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Abstract.

We report the results from the first experiment to measure gyromagnetic factors of μs isomers in neutron-rich nuclei produced by intermediate-energy projectile-fragmentation reactions. The Time Dependent Perturbed Angular Distribution (TDPAD) method was applied in combination with the heavy-ion-gamma correlation technique. The nuclides in the vicinity of 68 Ni were produced and spin-oriented following the fragmentation of a 76 Ge, 61.4 MeV/u beam at GANIL. The results obtained, |g|(69m Cu) = 0.225(25) and |g|(67m Ni) = 0.125(6) provide another indication of the importance of proton excitation across the Z = 28 shell gap for the description of these states.

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Authors and Affiliations

  1. GANIL, BP 55027, F-14076, Caen Cedex 5, France

    G. Georgiev, G. Neyens, J. M. Daugas, G. de France, M. Lewitowicz, I. Matea, F. de Oliveira Santos, N. A. Smirnova & M. Stanoiu

  2. IKS, University of Leuven, Celestijnenlaan 200 D, B-3001, Leuven, Belgium

    G. Georgiev, G. Neyens, N. Coulier, R. Coussement, J. M. Daugas, N. A. Smirnova, S. Teughels & K. Vyvey

  3. Faculty of Physics, The Weizmann Institute of Science, 76100, Rehovot, Israel

    M. Hass

  4. Department of Physics and Astronomy, University of Tennessee, TN 37996, Knoxville, USA

    D. L. Balabanski, C. Bingham & R. Grzywacz

  5. Faculty of Physics, St. Kliment Ohridski University of Sofia, BG-1164, Sofia, Bulgaria

    D. L. Balabanski

  6. IFIN, P.O. Box MG6, 76900, Bucharest-Magurele, Romania

    C. Borcea, I. Matea & M. Stanoiu

  7. Geselschaft für Schwerionenforschung mbH, D-64291, Darmstadt, Germany

    M. Górska & H. Grawe

  8. IEP, Warsaw University, Hoza 69, PL-00681, Warsaw, Poland

    R. Grzywacz, M. Pfützner & M. Sawicka

  9. Department of Radiation Sciences, ISV, Uppsala University, S-61182, Nyköping, Sweden

    H. Mach

  10. Oliver Lodge Laboratory, University of Liverpool, L69 7ZE, Liverpool, UK

    R. D. Page

  11. Department of Physics, FLNR-JINR, 141980, Dubna, Moscow Region, Russia

    Yu E. Penionzhkevich & Yu Sobolev

  12. Department of Physics, University of Surrey, Guildford, GU2 5XH, UK

    Z. Podolyák & P. H. Regan

  13. Oak Ridge National Laboratory, Physics Division, TN 37830, Oak Ridge, USA

    K. Rykaczewski

Authors
  1. G. Georgiev
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  2. G. Neyens
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  3. M. Hass
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  4. D. L. Balabanski
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  5. C. Bingham
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  6. C. Borcea
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  7. N. Coulier
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  8. R. Coussement
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  9. J. M. Daugas
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  10. G. de France
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  11. M. Górska
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  12. H. Grawe
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  13. R. Grzywacz
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  14. M. Lewitowicz
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  15. H. Mach
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  16. I. Matea
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  17. F. de Oliveira Santos
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  18. R. D. Page
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  19. M. Pfützner
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  20. Yu E. Penionzhkevich
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  21. Z. Podolyák
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  22. P. H. Regan
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  23. K. Rykaczewski
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  24. M. Sawicka
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  25. N. A. Smirnova
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  26. Yu Sobolev
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  27. M. Stanoiu
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  28. S. Teughels
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  29. K. Vyvey
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Corresponding author

Correspondence to G. Georgiev.

Additional information

Received: 24 November 2002, Published online: 17 February 2004

PACS:

21.10.Ky Electromagnetic moments - 23.20.En Angular distribution and correlation measurements - 25.70.Mn Projectile and target fragmentation

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Georgiev, G., Neyens, G., Hass, M. et al. g-factors of isomeric states in the neutron-rich nuclei. Eur. Phys. J. A 20, 93–94 (2003). https://doi.org/10.1140/epja/i2002-10328-9

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  • DOI: https://doi.org/10.1140/epja/i2002-10328-9

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