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Nuclear magnetic resonance on oriented109In(4.2h) and110In(4.9h) after recoil implantation into Fe

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Radioactive109In(j π=9/2+;T 1/2=4.2h) and110In(j π=7+;T 1/2=4.9h) were produced via the109Ag (α, xn) reactions and recoil-implanted into Fe foils. With the technique of nuclear magnetic resonance on oriented nuclei the magnetic hyperfine splittings were investigated in external magnetic fieldsB 0=0.5...4.2 kG. The zero-field splitting were measured as 268.9(2)MHz and 147.3(3)MHz for109InFe and110InFe, respectively. With the known hyperfine fieldB HF(InFe)=−286.6(5) kG the nuclearg-factors are deduced asg(109In)=1.231(3) andg(110In)=0.674(2). Our result for109In shows that theπ g 9/2 g-factors vary by only ∼0.1% betweenA=109 and 115. For the |π 9/2 vd 5/2〉7+ of110In the additivity relation of magnetic moments is fulfilled to on accuracy of 0.3(3)%.

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Authors and Affiliations

  1. Physik-Department, Technische Universität München, Garching, Federal Republic of Germany

    E. Hagn & E. Zech

  2. Zentralinstitut für Tieftemperaturforschung, Garching, Federal Republic of Germany

    G. Eska

Authors
  1. E. Hagn
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  2. E. Zech
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  3. G. Eska
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Additional information

We are indebted to Prof. P. Kienle for his kind interest and continuous support of this work. We wish to thank K. Assmus and the cyclotron crew in Karlsruhe for performing the recoil implantations. We also acknowledge the experimental help by E. Smolic.

This work was supported by the Bundesministerium für Forschung und Technologie, Bonn, and, in part, by the Kernforschungszentrum, Karlsruhe.

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Hagn, E., Zech, E. & Eska, G. Nuclear magnetic resonance on oriented109In(4.2h) and110In(4.9h) after recoil implantation into Fe. Z Physik A 300, 339–344 (1981). https://doi.org/10.1007/BF01419866

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  • DOI: https://doi.org/10.1007/BF01419866

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