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Measurements of magnetic moments of Tc isotopes and the hyperfine field of Tc in Fe and Ni

  • Nuclear Structure and Reactions
  • Published:
Zeitschrift für Physik A Hadrons and Nuclei

Abstract

We report measurements of nuclear magnetic resonance on oriented nuclei (NMR-ON) on94Tc (Iπ=7+,T 1/2=4.9 h),95Tc (I π=9/2+,T 1/2=20 h) and96Tc (I π=7+,T 1/2=4.3 d) in Fe and on95Tc and96Tc in Ni. In order to elucidate the discrepancies on the hyperfine field of TcFe in the literature, the resonances were measured with high precision as a function of the external magnetic field Bext up to 2.0 T. In addition, TDPAC measurements were performed on99TcFe at T=300 K and 13 K. TheT=0 K hyperfine fields of Tc in Fe and Ni were determined to be −314(3) kG and −51.8(5) kG, respectively. The g-factors of93Tc,94Tc,95Tc,96Tc and99Tc(E=181 keV;I π=5/2+) are redetermined as g(93Tc)=1.405(14), g(94Tc)=0.731(7),g(95Tc)=1.321(13), g(96Tc)=0.727(7), g(99Tc)=1.390(17).

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Author notes

  1. W. Tröger & T. Butz

    Present address: Fakultät für Physik und Geowissenschaften, Linnéstrasse 5, D-04103, Leipzig, Germany

Authors and Affiliations

  1. Physik-Department, Technische Universität München, D-85748, Garching, Germany

    B. Hinfurtner, E. Hagn, E. Zech, W. Tröger & T. Butz

Authors
  1. B. Hinfurtner
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  2. E. Hagn
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  3. E. Zech
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  4. W. Tröger
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  5. T. Butz
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Additional information

We wish to thank E. Smolic and G. Seewald for experimental help. This work was funded by the German Federal Minister for Research and Technology (BMFT) under the contract number 06TM353/TP 4, by the Deutsche Forschungsgemeinschaft (DFG) under the contract numbers Ha 1282/3-1,2, and, partly, by the Kernforschungszentrum, Karlsruhe.

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Hinfurtner, B., Hagn, E., Zech, E. et al. Measurements of magnetic moments of Tc isotopes and the hyperfine field of Tc in Fe and Ni. Z. Physik A - Hadrons and Nuclei 350, 311–318 (1995). https://doi.org/10.1007/BF01291188

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  • DOI: https://doi.org/10.1007/BF01291188

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