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Behavior of pionic hydrogen atoms in gas and liquid phases

  • Nuclear Chemistry
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Abstract

Pionic X-rays and π0 decays were measured for gas mixtures of H2/D2/CH4+SF6/Ar and the individual pure gases. Chemical effects on the pion transfer process from pionic hydrogen to other atoms were revealed by the pionic X-ray spectrum. The changes of the intensity patterns of pionic X-rays were compared with the predictions by a cascade calculation taking the transfer process into account. The mechanism of pion transfer process was discussed based on the results for gas phase and the previous ones for liquid phase.

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Authors and Affiliations

  1. Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa-ku, 464-01, Nagoya, Japan

    A. Shinohara

  2. Low Level Radioactivity Laboratory, Faculty of Science, Kanazawa University, Nobi-gun, 923-12, Ishikawa, Japan

    T. Muroyama

  3. Radiation Science Center, High Energy Accelerator Research Organization, Tsukuba, 305, Ibaraki, Japan

    T. Miura

  4. Graduate School of Science, Osaka University, Toyonaka, 560, Osaka, Japan

    A. Yokoyama, K. Takamiya, T. Saito, J. Sanada, H. Araki & H. Baba

  5. Faculty of Science, Niigata University, Niigata, Japan

    T. Kaneko

  6. Radioisotope Research Center, Aichi Medical University, Nagakute-cho, 480-11, Aichi, Japan

    S. Kojima

  7. Faculty of Science, Kanazawa University, Kakuma-cho, 920-11, Kanazawa, Japan

    Y. Hamajima

  8. Faculty of Education, Shinshu University, Nishinagano, 380, Nagano, Japan

    H. Muramatsu

  9. Faculty of Environmental and Information Science, Yokkaichi University, Kayou-cho, 512, Yokkaichi, Japan

    M. Furukawa

Authors
  1. A. Shinohara
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  2. T. Muroyama
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  3. T. Miura
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  4. A. Yokoyama
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  5. K. Takamiya
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  6. T. Kaneko
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  7. T. Saito
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  8. J. Sanada
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  9. H. Araki
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  10. S. Kojima
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  11. Y. Hamajima
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  12. H. Muramatsu
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  13. H. Baba
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  14. M. Furukawa
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Shinohara, A., Muroyama, T., Miura, T. et al. Behavior of pionic hydrogen atoms in gas and liquid phases. J Radioanal Nucl Chem 239, 169–173 (1999). https://doi.org/10.1007/BF02349551

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  • DOI: https://doi.org/10.1007/BF02349551

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