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Hyperfine Interactions of N Isotopes in TiO2 and Quadrupole Moment of 16N

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Abstract

Hyperfine interactions of 12,14N in BN(hexagonal) crystal were studied by detecting β-NQR(12N) and FT-NMR(14N). A β-NMR of 16N (I π=2−,T 1/2=7.13 s) in MgO crystal was detected to determine the magnetic moment of 16N to be |μ(16N:2−)|=(1.986±0.001)μN. Also, the β-NQR of 12,16N in TiO2 crystal were detected to determine |Q(16N:2−)|=(17.9±1.7) mb. An abnormally small effective charge for neutrons is required to account for |Q(16N:2−)|.

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Authors and Affiliations

  1. Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043, Japan

    K. Matsuta, T. Miyake, K. Minamisono, M. Mihara, M. Fukuda, K. Sato, S. Y. Zhu & T. Minamisono

  2. CIAE, P.O. Box 275-50, Beijing, 102413, Peoples Republic of China

    S. Y. Zhu

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  1. K. Matsuta
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  2. T. Miyake
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  3. K. Minamisono
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  4. M. Mihara
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  5. M. Fukuda
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  6. K. Sato
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  7. S. Y. Zhu
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  8. T. Minamisono
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Matsuta, K., Miyake, T., Minamisono, K. et al. Hyperfine Interactions of N Isotopes in TiO2 and Quadrupole Moment of 16N. Hyperfine Interactions 136, 189–194 (2001). https://doi.org/10.1023/A:1020517014587

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  • DOI: https://doi.org/10.1023/A:1020517014587

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