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Measurement of the average polarization of12B in the polarized-muon capture reaction12C(μ −,v μ)12B (g.s.)

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Abstract

The average polarization Pav of the recoil nucleus12B (ground state) produced by the polarized-muon capture reaction12C(μ−,v μ)12B was measured by a new approach which involved the muon spin resonance, and the adoption of Grafoil as a carbon target where the polarization of12 B can be preserved completely under 3 kG holding field. Our observed resultP av=0.473±0.053 yields gp/gA=9.6 2.4−2.7 which seems to be consistent with the canonical PCAC prediction within the error.

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Authors and Affiliations

  1. Meson Science Laboratory, Faculty of Science, University of Tokyo, 7-3-1 Hongo, Bunkyoku, 113, Tokyo, Japan

    Y. Kuno, J. Imazato, K. Nishiyama, K. Nagamine, T. Yamazaki & T. Minamisono

  2. Department of Physics, Osaka University Toyonaka, Osaka, Japan

    T. Minamisono

Authors
  1. Y. Kuno
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  2. J. Imazato
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  3. K. Nishiyama
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  4. K. Nagamine
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  5. T. Yamazaki
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  6. T. Minamisono
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Additional information

The authors would like to express their sincere thanks to the members of the Meson Science Laboratory and of the Van de Graaff Accerelator at Osaka University. They also acknowledge helpful discussions and suggestions given by Professors M. Morita, H. Ohtsubo and K. Kubodera. This work is supported by the Grant-in-Aid of the Ministry of Education, Science and Culture.

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Kuno, Y., Imazato, J., Nishiyama, K. et al. Measurement of the average polarization of12B in the polarized-muon capture reaction12C(μ −,v μ)12B (g.s.). Hyperfine Interact 19, 907–914 (1984). https://doi.org/10.1007/BF02066136

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  • DOI: https://doi.org/10.1007/BF02066136

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