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Hyperfine quantum beat of short-lived beta-emitter8Li polarized by the tilted foil technique

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Abstract

To disclose the basic mechanisms of nuclear polarization creation realized by the tilted foil technique, hyperfine quantum beats of the nuclear polarization of the short-lived beta-emitter8Li(I π=2+,T 1/2=840 ms) were measured as a function of the distance between two tilted foils. From the observed beats of the8Li nuclear polarization, it was found that the Fermi-contact interaction of the8Li nucleus with the ground 1s-electron in LiIII plays a main role in the final stage of polarization transfer from polarized orbital electrons to the8Li nucleus.

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Authors and Affiliations

  1. Department of Physics, Osaka University, 560, Toyonaka, Osaka, Japan

    S. Momota, Y. Nojiri, M. -B. Tanaka, T. Yanagisawa, M. Fukuda, K. Matsuta & T. Minamisono

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  1. S. Momota
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  2. Y. Nojiri
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  3. M. -B. Tanaka
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  4. T. Yanagisawa
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  5. M. Fukuda
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  6. K. Matsuta
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  7. T. Minamisono
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Momota, S., Nojiri, Y., Tanaka, M.B. et al. Hyperfine quantum beat of short-lived beta-emitter8Li polarized by the tilted foil technique. Hyperfine Interact 80, 1275–1279 (1993). https://doi.org/10.1007/BF00567491

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  • DOI: https://doi.org/10.1007/BF00567491

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